/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/mannadiv_unwindbound100.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-c225d54 [2021-05-02 16:11:24,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-02 16:11:24,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-02 16:11:24,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-02 16:11:24,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-02 16:11:24,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-02 16:11:24,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-02 16:11:24,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-02 16:11:24,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-02 16:11:24,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-02 16:11:24,596 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-02 16:11:24,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-02 16:11:24,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-02 16:11:24,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-02 16:11:24,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-02 16:11:24,619 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-02 16:11:24,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-02 16:11:24,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-02 16:11:24,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-02 16:11:24,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-02 16:11:24,635 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-05-02 16:11:24,690 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-02 16:11:24,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-02 16:11:24,692 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-02 16:11:24,693 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-02 16:11:24,693 INFO L138 SettingsManager]: * Use SBE=true [2021-05-02 16:11:24,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-02 16:11:24,693 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-02 16:11:24,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-02 16:11:24,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-02 16:11:24,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-02 16:11:24,694 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-02 16:11:24,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-02 16:11:24,694 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-02 16:11:24,694 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-02 16:11:24,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-02 16:11:24,695 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-02 16:11:24,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-02 16:11:24,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-02 16:11:24,695 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-02 16:11:24,695 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-02 16:11:24,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-02 16:11:24,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-02 16:11:24,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-02 16:11:24,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-02 16:11:24,696 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-02 16:11:24,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-02 16:11:24,696 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-02 16:11:24,696 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-05-02 16:11:24,696 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2021-05-02 16:11:25,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-02 16:11:25,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-02 16:11:25,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-02 16:11:25,157 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-02 16:11:25,157 INFO L275 PluginConnector]: CDTParser initialized [2021-05-02 16:11:25,158 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/mannadiv_unwindbound100.c [2021-05-02 16:11:25,241 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/385d6c258/1120d2fccad7433c8ac16e74640e1293/FLAG9e1aca240 [2021-05-02 16:11:25,638 INFO L306 CDTParser]: Found 1 translation units. [2021-05-02 16:11:25,639 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/mannadiv_unwindbound100.c [2021-05-02 16:11:25,643 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/385d6c258/1120d2fccad7433c8ac16e74640e1293/FLAG9e1aca240 [2021-05-02 16:11:26,069 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/385d6c258/1120d2fccad7433c8ac16e74640e1293 [2021-05-02 16:11:26,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-02 16:11:26,083 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-02 16:11:26,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-02 16:11:26,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-02 16:11:26,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-02 16:11:26,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 04:11:26" (1/1) ... [2021-05-02 16:11:26,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c703c1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 04:11:26, skipping insertion in model container [2021-05-02 16:11:26,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 04:11:26" (1/1) ... [2021-05-02 16:11:26,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-02 16:11:26,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-02 16:11:26,256 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/mannadiv_unwindbound100.c[573,586] [2021-05-02 16:11:26,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 16:11:26,283 INFO L203 MainTranslator]: Completed pre-run [2021-05-02 16:11:26,314 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/mannadiv_unwindbound100.c[573,586] [2021-05-02 16:11:26,317 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 16:11:26,338 INFO L208 MainTranslator]: Completed translation [2021-05-02 16:11:26,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 04:11:26 WrapperNode [2021-05-02 16:11:26,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-02 16:11:26,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-02 16:11:26,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-02 16:11:26,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-02 16:11:26,351 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 04:11:26" (1/1) ... [2021-05-02 16:11:26,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 04:11:26" (1/1) ... [2021-05-02 16:11:26,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 04:11:26" (1/1) ... [2021-05-02 16:11:26,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 04:11:26" (1/1) ... [2021-05-02 16:11:26,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 04:11:26" (1/1) ... [2021-05-02 16:11:26,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 04:11:26" (1/1) ... [2021-05-02 16:11:26,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 04:11:26" (1/1) ... [2021-05-02 16:11:26,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-02 16:11:26,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-02 16:11:26,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-02 16:11:26,379 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-02 16:11:26,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 04:11:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-02 16:11:26,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-02 16:11:26,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-02 16:11:26,455 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-02 16:11:26,455 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-05-02 16:11:26,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-05-02 16:11:26,455 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-02 16:11:26,455 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-02 16:11:26,456 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-02 16:11:26,456 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-02 16:11:26,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-02 16:11:26,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-05-02 16:11:26,457 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-05-02 16:11:26,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-02 16:11:26,457 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-02 16:11:26,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-02 16:11:26,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-02 16:11:26,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-02 16:11:26,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-02 16:11:26,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-02 16:11:26,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-02 16:11:26,639 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-02 16:11:26,639 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-05-02 16:11:26,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 04:11:26 BoogieIcfgContainer [2021-05-02 16:11:26,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-02 16:11:26,641 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-02 16:11:26,641 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-02 16:11:26,643 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-02 16:11:26,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.05 04:11:26" (1/3) ... [2021-05-02 16:11:26,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@228fcb45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 04:11:26, skipping insertion in model container [2021-05-02 16:11:26,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 04:11:26" (2/3) ... [2021-05-02 16:11:26,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@228fcb45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 04:11:26, skipping insertion in model container [2021-05-02 16:11:26,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 04:11:26" (3/3) ... [2021-05-02 16:11:26,645 INFO L111 eAbstractionObserver]: Analyzing ICFG mannadiv_unwindbound100.c [2021-05-02 16:11:26,648 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-02 16:11:26,650 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-02 16:11:26,660 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-02 16:11:26,673 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-02 16:11:26,673 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-02 16:11:26,673 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-02 16:11:26,673 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-02 16:11:26,673 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-02 16:11:26,673 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-02 16:11:26,674 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-02 16:11:26,674 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-02 16:11:26,683 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 19 states have internal predecessors, (25), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-05-02 16:11:26,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-05-02 16:11:26,686 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:26,687 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:26,687 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:26,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:26,690 INFO L82 PathProgramCache]: Analyzing trace with hash -1859024204, now seen corresponding path program 1 times [2021-05-02 16:11:26,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:26,695 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26812791] [2021-05-02 16:11:26,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 16:11:26,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 16:11:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 16:11:26,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-05-02 16:11:26,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 16:11:26,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-05-02 16:11:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 16:11:26,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:11:26,839 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:26,839 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26812791] [2021-05-02 16:11:26,840 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26812791] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 16:11:26,840 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 16:11:26,840 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-02 16:11:26,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943723664] [2021-05-02 16:11:26,843 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-02 16:11:26,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:26,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-02 16:11:26,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-02 16:11:26,853 INFO L87 Difference]: Start difference. First operand has 30 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 19 states have internal predecessors, (25), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-05-02 16:11:26,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:26,925 INFO L93 Difference]: Finished difference Result 54 states and 72 transitions. [2021-05-02 16:11:26,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-02 16:11:26,927 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2021-05-02 16:11:26,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:26,931 INFO L225 Difference]: With dead ends: 54 [2021-05-02 16:11:26,931 INFO L226 Difference]: Without dead ends: 26 [2021-05-02 16:11:26,933 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 36.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-02 16:11:26,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-05-02 16:11:26,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2021-05-02 16:11:26,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-05-02 16:11:26,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2021-05-02 16:11:26,955 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 22 [2021-05-02 16:11:26,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:26,955 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2021-05-02 16:11:26,955 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-05-02 16:11:26,955 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2021-05-02 16:11:26,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-05-02 16:11:26,956 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:26,956 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:26,957 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-02 16:11:26,957 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:26,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:26,957 INFO L82 PathProgramCache]: Analyzing trace with hash 243739414, now seen corresponding path program 1 times [2021-05-02 16:11:26,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:26,958 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615503565] [2021-05-02 16:11:26,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:26,980 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:26,980 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [545354340] [2021-05-02 16:11:26,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 16:11:27,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 5 conjunts are in the unsatisfiable core [2021-05-02 16:11:27,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:11:27,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:27,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:27,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:27,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:27,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:27,253 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:11:27,253 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:27,254 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615503565] [2021-05-02 16:11:27,254 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:11:27,254 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545354340] [2021-05-02 16:11:27,254 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [545354340] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 16:11:27,254 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 16:11:27,254 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-02 16:11:27,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376183345] [2021-05-02 16:11:27,255 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-05-02 16:11:27,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:27,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-05-02 16:11:27,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-02 16:11:27,256 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2021-05-02 16:11:27,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:27,282 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions. [2021-05-02 16:11:27,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-02 16:11:27,283 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2021-05-02 16:11:27,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:27,283 INFO L225 Difference]: With dead ends: 34 [2021-05-02 16:11:27,283 INFO L226 Difference]: Without dead ends: 27 [2021-05-02 16:11:27,296 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.5ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-02 16:11:27,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-05-02 16:11:27,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-05-02 16:11:27,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-05-02 16:11:27,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2021-05-02 16:11:27,302 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 23 [2021-05-02 16:11:27,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:27,302 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2021-05-02 16:11:27,303 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2021-05-02 16:11:27,303 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2021-05-02 16:11:27,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-05-02 16:11:27,303 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:27,303 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:27,512 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-05-02 16:11:27,513 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:27,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:27,513 INFO L82 PathProgramCache]: Analyzing trace with hash 245526874, now seen corresponding path program 1 times [2021-05-02 16:11:27,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:27,514 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571360038] [2021-05-02 16:11:27,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:27,523 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:27,523 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1907442160] [2021-05-02 16:11:27,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 16:11:27,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 17 conjunts are in the unsatisfiable core [2021-05-02 16:11:27,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:11:27,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:27,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:27,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:27,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:27,666 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-02 16:11:27,666 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:27,666 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571360038] [2021-05-02 16:11:27,666 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:11:27,667 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907442160] [2021-05-02 16:11:27,667 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1907442160] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:11:27,667 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:11:27,667 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-05-02 16:11:27,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668518882] [2021-05-02 16:11:27,667 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-05-02 16:11:27,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:27,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-05-02 16:11:27,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-05-02 16:11:27,668 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 6 states have internal predecessors, (15), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-05-02 16:11:27,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:27,730 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2021-05-02 16:11:27,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-02 16:11:27,730 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 6 states have internal predecessors, (15), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2021-05-02 16:11:27,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:27,731 INFO L225 Difference]: With dead ends: 37 [2021-05-02 16:11:27,731 INFO L226 Difference]: Without dead ends: 35 [2021-05-02 16:11:27,732 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 51.1ms TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-05-02 16:11:27,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-05-02 16:11:27,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 32. [2021-05-02 16:11:27,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2021-05-02 16:11:27,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2021-05-02 16:11:27,736 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 23 [2021-05-02 16:11:27,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:27,737 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2021-05-02 16:11:27,737 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 6 states have internal predecessors, (15), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-05-02 16:11:27,737 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2021-05-02 16:11:27,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-05-02 16:11:27,737 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:27,738 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:27,953 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:27,953 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:27,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:27,954 INFO L82 PathProgramCache]: Analyzing trace with hash -1019533657, now seen corresponding path program 1 times [2021-05-02 16:11:27,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:27,954 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569447365] [2021-05-02 16:11:27,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:27,962 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:27,963 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1221186460] [2021-05-02 16:11:27,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:28,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 16:11:28,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 19 conjunts are in the unsatisfiable core [2021-05-02 16:11:28,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:11:28,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:28,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:28,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:28,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:28,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:28,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:28,119 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-02 16:11:28,119 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:28,119 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569447365] [2021-05-02 16:11:28,119 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:11:28,119 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221186460] [2021-05-02 16:11:28,120 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1221186460] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:11:28,120 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:11:28,120 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2021-05-02 16:11:28,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929462347] [2021-05-02 16:11:28,120 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-05-02 16:11:28,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:28,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-05-02 16:11:28,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-05-02 16:11:28,121 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 9 states have internal predecessors, (19), 4 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-05-02 16:11:28,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:28,215 INFO L93 Difference]: Finished difference Result 39 states and 42 transitions. [2021-05-02 16:11:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-02 16:11:28,215 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 9 states have internal predecessors, (19), 4 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 29 [2021-05-02 16:11:28,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:28,217 INFO L225 Difference]: With dead ends: 39 [2021-05-02 16:11:28,217 INFO L226 Difference]: Without dead ends: 34 [2021-05-02 16:11:28,217 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 89.9ms TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2021-05-02 16:11:28,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-05-02 16:11:28,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 29. [2021-05-02 16:11:28,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 6 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-05-02 16:11:28,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2021-05-02 16:11:28,221 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 29 [2021-05-02 16:11:28,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:28,221 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2021-05-02 16:11:28,222 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 9 states have internal predecessors, (19), 4 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-05-02 16:11:28,222 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2021-05-02 16:11:28,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-05-02 16:11:28,222 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:28,222 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:28,438 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:28,438 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:28,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:28,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1080225052, now seen corresponding path program 1 times [2021-05-02 16:11:28,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:28,439 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420404634] [2021-05-02 16:11:28,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:28,447 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:28,447 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1325715235] [2021-05-02 16:11:28,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 16:11:28,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 7 conjunts are in the unsatisfiable core [2021-05-02 16:11:28,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:11:28,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:28,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:28,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:28,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:28,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:28,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:28,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:28,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:28,619 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:11:28,619 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:28,619 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420404634] [2021-05-02 16:11:28,620 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:11:28,620 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325715235] [2021-05-02 16:11:28,620 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1325715235] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:11:28,620 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:11:28,620 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-05-02 16:11:28,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104888375] [2021-05-02 16:11:28,620 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-02 16:11:28,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:28,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-02 16:11:28,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-05-02 16:11:28,621 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2021-05-02 16:11:28,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:28,659 INFO L93 Difference]: Finished difference Result 43 states and 46 transitions. [2021-05-02 16:11:28,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-02 16:11:28,659 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 32 [2021-05-02 16:11:28,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:28,660 INFO L225 Difference]: With dead ends: 43 [2021-05-02 16:11:28,660 INFO L226 Difference]: Without dead ends: 38 [2021-05-02 16:11:28,660 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 21.1ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-05-02 16:11:28,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-05-02 16:11:28,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-05-02 16:11:28,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 26 states have internal predecessors, (29), 7 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-05-02 16:11:28,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2021-05-02 16:11:28,664 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 32 [2021-05-02 16:11:28,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:28,665 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2021-05-02 16:11:28,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2021-05-02 16:11:28,665 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2021-05-02 16:11:28,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-05-02 16:11:28,666 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:28,666 INFO L523 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:28,881 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:28,881 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:28,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:28,882 INFO L82 PathProgramCache]: Analyzing trace with hash 1448743382, now seen corresponding path program 2 times [2021-05-02 16:11:28,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:28,882 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291032936] [2021-05-02 16:11:28,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:28,890 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:28,890 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1243412232] [2021-05-02 16:11:28,890 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:28,957 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 16:11:28,957 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:11:28,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 9 conjunts are in the unsatisfiable core [2021-05-02 16:11:28,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:11:28,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:28,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:28,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:28,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:28,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:28,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:29,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:29,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:29,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:29,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:29,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:29,033 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:11:29,033 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:29,033 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291032936] [2021-05-02 16:11:29,033 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:11:29,033 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243412232] [2021-05-02 16:11:29,033 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1243412232] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:11:29,033 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:11:29,033 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2021-05-02 16:11:29,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712576929] [2021-05-02 16:11:29,034 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-05-02 16:11:29,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:29,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-05-02 16:11:29,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-05-02 16:11:29,034 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 5 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2021-05-02 16:11:29,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:29,067 INFO L93 Difference]: Finished difference Result 52 states and 56 transitions. [2021-05-02 16:11:29,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-02 16:11:29,067 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 5 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 41 [2021-05-02 16:11:29,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:29,068 INFO L225 Difference]: With dead ends: 52 [2021-05-02 16:11:29,068 INFO L226 Difference]: Without dead ends: 47 [2021-05-02 16:11:29,068 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 18.6ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-05-02 16:11:29,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-05-02 16:11:29,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-05-02 16:11:29,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 33 states have (on average 1.121212121212121) internal successors, (37), 33 states have internal predecessors, (37), 8 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-05-02 16:11:29,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 51 transitions. [2021-05-02 16:11:29,073 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 51 transitions. Word has length 41 [2021-05-02 16:11:29,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:29,073 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 51 transitions. [2021-05-02 16:11:29,073 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 5 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2021-05-02 16:11:29,073 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2021-05-02 16:11:29,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-05-02 16:11:29,074 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:29,074 INFO L523 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:29,289 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-05-02 16:11:29,290 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:29,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:29,290 INFO L82 PathProgramCache]: Analyzing trace with hash -678977956, now seen corresponding path program 3 times [2021-05-02 16:11:29,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:29,290 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185011181] [2021-05-02 16:11:29,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:29,298 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:29,298 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [838078386] [2021-05-02 16:11:29,298 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:29,395 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-05-02 16:11:29,395 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:11:29,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 11 conjunts are in the unsatisfiable core [2021-05-02 16:11:29,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:11:29,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:29,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:29,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:29,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:29,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:29,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:29,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:29,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:29,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:29,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:29,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:29,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:29,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:29,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:29,591 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:11:29,591 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:29,592 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185011181] [2021-05-02 16:11:29,592 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:11:29,592 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838078386] [2021-05-02 16:11:29,592 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [838078386] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:11:29,592 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:11:29,594 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-05-02 16:11:29,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452789313] [2021-05-02 16:11:29,594 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-05-02 16:11:29,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:29,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-05-02 16:11:29,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-05-02 16:11:29,595 INFO L87 Difference]: Start difference. First operand 47 states and 51 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 6 states have internal predecessors, (33), 6 states have call successors, (8), 6 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2021-05-02 16:11:29,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:29,683 INFO L93 Difference]: Finished difference Result 61 states and 66 transitions. [2021-05-02 16:11:29,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-02 16:11:29,683 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 6 states have internal predecessors, (33), 6 states have call successors, (8), 6 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 50 [2021-05-02 16:11:29,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:29,686 INFO L225 Difference]: With dead ends: 61 [2021-05-02 16:11:29,686 INFO L226 Difference]: Without dead ends: 56 [2021-05-02 16:11:29,687 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 42.1ms TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2021-05-02 16:11:29,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2021-05-02 16:11:29,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2021-05-02 16:11:29,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 40 states have (on average 1.125) internal successors, (45), 40 states have internal predecessors, (45), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-05-02 16:11:29,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 61 transitions. [2021-05-02 16:11:29,710 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 61 transitions. Word has length 50 [2021-05-02 16:11:29,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:29,710 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 61 transitions. [2021-05-02 16:11:29,710 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 6 states have internal predecessors, (33), 6 states have call successors, (8), 6 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2021-05-02 16:11:29,710 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2021-05-02 16:11:29,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-05-02 16:11:29,711 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:29,711 INFO L523 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:29,926 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:29,926 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:29,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:29,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1632159894, now seen corresponding path program 4 times [2021-05-02 16:11:29,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:29,927 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567487873] [2021-05-02 16:11:29,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:29,934 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:29,934 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [393680360] [2021-05-02 16:11:29,934 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:30,016 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 16:11:30,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:11:30,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 13 conjunts are in the unsatisfiable core [2021-05-02 16:11:30,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:11:30,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,141 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 8 proven. 62 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:11:30,141 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:30,141 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567487873] [2021-05-02 16:11:30,141 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:11:30,141 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393680360] [2021-05-02 16:11:30,142 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393680360] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:11:30,142 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:11:30,142 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-05-02 16:11:30,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68846010] [2021-05-02 16:11:30,142 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-05-02 16:11:30,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:30,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-05-02 16:11:30,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-05-02 16:11:30,143 INFO L87 Difference]: Start difference. First operand 56 states and 61 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 7 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (7), 5 states have call predecessors, (7), 6 states have call successors, (7) [2021-05-02 16:11:30,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:30,208 INFO L93 Difference]: Finished difference Result 70 states and 76 transitions. [2021-05-02 16:11:30,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-02 16:11:30,209 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 7 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (7), 5 states have call predecessors, (7), 6 states have call successors, (7) Word has length 59 [2021-05-02 16:11:30,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:30,209 INFO L225 Difference]: With dead ends: 70 [2021-05-02 16:11:30,210 INFO L226 Difference]: Without dead ends: 65 [2021-05-02 16:11:30,210 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 44.7ms TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2021-05-02 16:11:30,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-05-02 16:11:30,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-05-02 16:11:30,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 47 states have (on average 1.127659574468085) internal successors, (53), 47 states have internal predecessors, (53), 10 states have call successors, (10), 9 states have call predecessors, (10), 7 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-05-02 16:11:30,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 71 transitions. [2021-05-02 16:11:30,215 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 71 transitions. Word has length 59 [2021-05-02 16:11:30,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:30,215 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 71 transitions. [2021-05-02 16:11:30,215 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 7 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (7), 5 states have call predecessors, (7), 6 states have call successors, (7) [2021-05-02 16:11:30,215 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2021-05-02 16:11:30,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-05-02 16:11:30,216 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:30,216 INFO L523 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:30,431 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:30,431 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:30,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:30,432 INFO L82 PathProgramCache]: Analyzing trace with hash -1512407140, now seen corresponding path program 5 times [2021-05-02 16:11:30,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:30,432 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448516803] [2021-05-02 16:11:30,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:30,439 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:30,439 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1229355193] [2021-05-02 16:11:30,439 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:30,524 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-05-02 16:11:30,524 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:11:30,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 15 conjunts are in the unsatisfiable core [2021-05-02 16:11:30,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:11:30,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:30,648 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 10 proven. 100 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:11:30,649 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:30,649 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448516803] [2021-05-02 16:11:30,649 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:11:30,649 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229355193] [2021-05-02 16:11:30,649 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229355193] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:11:30,649 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:11:30,649 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2021-05-02 16:11:30,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377648450] [2021-05-02 16:11:30,649 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-05-02 16:11:30,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:30,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-05-02 16:11:30,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-05-02 16:11:30,650 INFO L87 Difference]: Start difference. First operand 65 states and 71 transitions. Second operand has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 8 states have internal predecessors, (47), 8 states have call successors, (10), 8 states have call predecessors, (10), 6 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2021-05-02 16:11:30,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:30,726 INFO L93 Difference]: Finished difference Result 79 states and 86 transitions. [2021-05-02 16:11:30,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-02 16:11:30,726 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 8 states have internal predecessors, (47), 8 states have call successors, (10), 8 states have call predecessors, (10), 6 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) Word has length 68 [2021-05-02 16:11:30,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:30,727 INFO L225 Difference]: With dead ends: 79 [2021-05-02 16:11:30,727 INFO L226 Difference]: Without dead ends: 74 [2021-05-02 16:11:30,727 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 49.0ms TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2021-05-02 16:11:30,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-05-02 16:11:30,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2021-05-02 16:11:30,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 54 states have (on average 1.1296296296296295) internal successors, (61), 54 states have internal predecessors, (61), 11 states have call successors, (11), 10 states have call predecessors, (11), 8 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2021-05-02 16:11:30,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 81 transitions. [2021-05-02 16:11:30,748 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 81 transitions. Word has length 68 [2021-05-02 16:11:30,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:30,749 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 81 transitions. [2021-05-02 16:11:30,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 8 states have internal predecessors, (47), 8 states have call successors, (10), 8 states have call predecessors, (10), 6 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2021-05-02 16:11:30,749 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 81 transitions. [2021-05-02 16:11:30,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-05-02 16:11:30,749 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:30,750 INFO L523 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:30,965 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-05-02 16:11:30,965 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:30,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:30,966 INFO L82 PathProgramCache]: Analyzing trace with hash 771706710, now seen corresponding path program 6 times [2021-05-02 16:11:30,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:30,966 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119875692] [2021-05-02 16:11:30,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:30,973 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:30,973 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1159121595] [2021-05-02 16:11:30,973 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:31,055 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-05-02 16:11:31,055 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:11:31,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 17 conjunts are in the unsatisfiable core [2021-05-02 16:11:31,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:11:31,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,204 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 12 proven. 147 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:11:31,204 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:31,204 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119875692] [2021-05-02 16:11:31,204 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:11:31,204 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159121595] [2021-05-02 16:11:31,204 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1159121595] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:11:31,204 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:11:31,204 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2021-05-02 16:11:31,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356750271] [2021-05-02 16:11:31,205 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-05-02 16:11:31,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:31,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-05-02 16:11:31,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-05-02 16:11:31,205 INFO L87 Difference]: Start difference. First operand 74 states and 81 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 9 states have call successors, (11), 9 states have call predecessors, (11), 7 states have return successors, (9), 7 states have call predecessors, (9), 8 states have call successors, (9) [2021-05-02 16:11:31,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:31,290 INFO L93 Difference]: Finished difference Result 88 states and 96 transitions. [2021-05-02 16:11:31,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-02 16:11:31,291 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 9 states have call successors, (11), 9 states have call predecessors, (11), 7 states have return successors, (9), 7 states have call predecessors, (9), 8 states have call successors, (9) Word has length 77 [2021-05-02 16:11:31,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:31,291 INFO L225 Difference]: With dead ends: 88 [2021-05-02 16:11:31,291 INFO L226 Difference]: Without dead ends: 83 [2021-05-02 16:11:31,292 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 58.5ms TimeCoverageRelationStatistics Valid=92, Invalid=148, Unknown=0, NotChecked=0, Total=240 [2021-05-02 16:11:31,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-05-02 16:11:31,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-05-02 16:11:31,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 61 states have (on average 1.1311475409836065) internal successors, (69), 61 states have internal predecessors, (69), 12 states have call successors, (12), 11 states have call predecessors, (12), 9 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-05-02 16:11:31,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 91 transitions. [2021-05-02 16:11:31,297 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 91 transitions. Word has length 77 [2021-05-02 16:11:31,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:31,297 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 91 transitions. [2021-05-02 16:11:31,297 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 9 states have call successors, (11), 9 states have call predecessors, (11), 7 states have return successors, (9), 7 states have call predecessors, (9), 8 states have call successors, (9) [2021-05-02 16:11:31,297 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2021-05-02 16:11:31,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-05-02 16:11:31,298 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:31,298 INFO L523 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:31,513 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:31,514 INFO L428 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:31,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:31,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1848611036, now seen corresponding path program 7 times [2021-05-02 16:11:31,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:31,514 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305235678] [2021-05-02 16:11:31,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:31,521 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:31,522 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [827558260] [2021-05-02 16:11:31,522 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:31,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 16:11:31,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 19 conjunts are in the unsatisfiable core [2021-05-02 16:11:31,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:11:31,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:31,740 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 14 proven. 203 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:11:31,740 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:31,740 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305235678] [2021-05-02 16:11:31,740 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:11:31,740 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [827558260] [2021-05-02 16:11:31,740 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [827558260] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:11:31,740 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:11:31,740 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2021-05-02 16:11:31,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211973810] [2021-05-02 16:11:31,741 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-05-02 16:11:31,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:31,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-05-02 16:11:31,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-05-02 16:11:31,741 INFO L87 Difference]: Start difference. First operand 83 states and 91 transitions. Second operand has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 10 states have call successors, (12), 10 states have call predecessors, (12), 8 states have return successors, (10), 8 states have call predecessors, (10), 9 states have call successors, (10) [2021-05-02 16:11:31,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:31,831 INFO L93 Difference]: Finished difference Result 97 states and 106 transitions. [2021-05-02 16:11:31,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-02 16:11:31,831 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 10 states have call successors, (12), 10 states have call predecessors, (12), 8 states have return successors, (10), 8 states have call predecessors, (10), 9 states have call successors, (10) Word has length 86 [2021-05-02 16:11:31,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:31,832 INFO L225 Difference]: With dead ends: 97 [2021-05-02 16:11:31,832 INFO L226 Difference]: Without dead ends: 92 [2021-05-02 16:11:31,832 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 71.2ms TimeCoverageRelationStatistics Valid=117, Invalid=189, Unknown=0, NotChecked=0, Total=306 [2021-05-02 16:11:31,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-05-02 16:11:31,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2021-05-02 16:11:31,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 68 states have (on average 1.1323529411764706) internal successors, (77), 68 states have internal predecessors, (77), 13 states have call successors, (13), 12 states have call predecessors, (13), 10 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-05-02 16:11:31,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 101 transitions. [2021-05-02 16:11:31,837 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 101 transitions. Word has length 86 [2021-05-02 16:11:31,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:31,838 INFO L480 AbstractCegarLoop]: Abstraction has 92 states and 101 transitions. [2021-05-02 16:11:31,838 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 10 states have call successors, (12), 10 states have call predecessors, (12), 8 states have return successors, (10), 8 states have call predecessors, (10), 9 states have call successors, (10) [2021-05-02 16:11:31,838 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2021-05-02 16:11:31,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-05-02 16:11:31,838 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:31,839 INFO L523 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:32,053 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:32,053 INFO L428 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:32,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:32,054 INFO L82 PathProgramCache]: Analyzing trace with hash -399923690, now seen corresponding path program 8 times [2021-05-02 16:11:32,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:32,054 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923360456] [2021-05-02 16:11:32,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:32,060 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:32,060 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [336234127] [2021-05-02 16:11:32,060 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:32,112 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 16:11:32,112 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:11:32,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 21 conjunts are in the unsatisfiable core [2021-05-02 16:11:32,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:11:32,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,311 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 16 proven. 268 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:11:32,311 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:32,311 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923360456] [2021-05-02 16:11:32,312 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:11:32,312 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [336234127] [2021-05-02 16:11:32,312 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [336234127] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:11:32,312 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:11:32,312 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2021-05-02 16:11:32,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473396005] [2021-05-02 16:11:32,312 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-05-02 16:11:32,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:32,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-05-02 16:11:32,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2021-05-02 16:11:32,313 INFO L87 Difference]: Start difference. First operand 92 states and 101 transitions. Second operand has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 11 states have call successors, (13), 11 states have call predecessors, (13), 9 states have return successors, (11), 9 states have call predecessors, (11), 10 states have call successors, (11) [2021-05-02 16:11:32,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:32,416 INFO L93 Difference]: Finished difference Result 106 states and 116 transitions. [2021-05-02 16:11:32,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-05-02 16:11:32,416 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 11 states have call successors, (13), 11 states have call predecessors, (13), 9 states have return successors, (11), 9 states have call predecessors, (11), 10 states have call successors, (11) Word has length 95 [2021-05-02 16:11:32,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:32,417 INFO L225 Difference]: With dead ends: 106 [2021-05-02 16:11:32,417 INFO L226 Difference]: Without dead ends: 101 [2021-05-02 16:11:32,417 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 109.2ms TimeCoverageRelationStatistics Valid=145, Invalid=235, Unknown=0, NotChecked=0, Total=380 [2021-05-02 16:11:32,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-05-02 16:11:32,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2021-05-02 16:11:32,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 75 states have (on average 1.1333333333333333) internal successors, (85), 75 states have internal predecessors, (85), 14 states have call successors, (14), 13 states have call predecessors, (14), 11 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-05-02 16:11:32,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 111 transitions. [2021-05-02 16:11:32,423 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 111 transitions. Word has length 95 [2021-05-02 16:11:32,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:32,423 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 111 transitions. [2021-05-02 16:11:32,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 11 states have call successors, (13), 11 states have call predecessors, (13), 9 states have return successors, (11), 9 states have call predecessors, (11), 10 states have call successors, (11) [2021-05-02 16:11:32,423 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 111 transitions. [2021-05-02 16:11:32,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-05-02 16:11:32,424 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:32,424 INFO L523 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:32,639 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-05-02 16:11:32,639 INFO L428 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:32,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:32,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1717228060, now seen corresponding path program 9 times [2021-05-02 16:11:32,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:32,640 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658557735] [2021-05-02 16:11:32,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:32,646 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:32,646 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [29340062] [2021-05-02 16:11:32,646 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:32,727 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-05-02 16:11:32,727 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:11:32,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 23 conjunts are in the unsatisfiable core [2021-05-02 16:11:32,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:11:32,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:32,916 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 18 proven. 342 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:11:32,916 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:32,916 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658557735] [2021-05-02 16:11:32,916 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:11:32,916 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29340062] [2021-05-02 16:11:32,916 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29340062] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:11:32,916 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:11:32,917 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-05-02 16:11:32,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730693638] [2021-05-02 16:11:32,917 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-05-02 16:11:32,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:32,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-05-02 16:11:32,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2021-05-02 16:11:32,918 INFO L87 Difference]: Start difference. First operand 101 states and 111 transitions. Second operand has 13 states, 13 states have (on average 5.769230769230769) internal successors, (75), 12 states have internal predecessors, (75), 12 states have call successors, (14), 12 states have call predecessors, (14), 10 states have return successors, (12), 10 states have call predecessors, (12), 11 states have call successors, (12) [2021-05-02 16:11:33,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:33,059 INFO L93 Difference]: Finished difference Result 115 states and 126 transitions. [2021-05-02 16:11:33,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-02 16:11:33,060 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.769230769230769) internal successors, (75), 12 states have internal predecessors, (75), 12 states have call successors, (14), 12 states have call predecessors, (14), 10 states have return successors, (12), 10 states have call predecessors, (12), 11 states have call successors, (12) Word has length 104 [2021-05-02 16:11:33,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:33,061 INFO L225 Difference]: With dead ends: 115 [2021-05-02 16:11:33,061 INFO L226 Difference]: Without dead ends: 110 [2021-05-02 16:11:33,061 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 120.6ms TimeCoverageRelationStatistics Valid=176, Invalid=286, Unknown=0, NotChecked=0, Total=462 [2021-05-02 16:11:33,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2021-05-02 16:11:33,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2021-05-02 16:11:33,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 82 states have (on average 1.1341463414634145) internal successors, (93), 82 states have internal predecessors, (93), 15 states have call successors, (15), 14 states have call predecessors, (15), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-05-02 16:11:33,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 121 transitions. [2021-05-02 16:11:33,067 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 121 transitions. Word has length 104 [2021-05-02 16:11:33,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:33,067 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 121 transitions. [2021-05-02 16:11:33,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 5.769230769230769) internal successors, (75), 12 states have internal predecessors, (75), 12 states have call successors, (14), 12 states have call predecessors, (14), 10 states have return successors, (12), 10 states have call predecessors, (12), 11 states have call successors, (12) [2021-05-02 16:11:33,068 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 121 transitions. [2021-05-02 16:11:33,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-05-02 16:11:33,068 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:33,068 INFO L523 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:33,284 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-05-02 16:11:33,284 INFO L428 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:33,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:33,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1468805930, now seen corresponding path program 10 times [2021-05-02 16:11:33,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:33,285 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655207558] [2021-05-02 16:11:33,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:33,291 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:33,291 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [849966173] [2021-05-02 16:11:33,291 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:33,359 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 16:11:33,359 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:11:33,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 25 conjunts are in the unsatisfiable core [2021-05-02 16:11:33,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:11:33,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:33,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:33,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:33,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:33,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:33,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:33,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:33,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:33,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:33,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:33,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:33,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:33,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:33,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:33,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:33,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:33,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:33,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:33,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:33,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:33,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:33,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:33,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:33,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:33,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:33,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:33,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:33,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:33,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:33,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:33,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:33,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:33,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:33,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:33,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:33,562 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 20 proven. 425 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:11:33,562 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:33,562 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655207558] [2021-05-02 16:11:33,562 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:11:33,562 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849966173] [2021-05-02 16:11:33,562 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [849966173] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:11:33,562 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:11:33,563 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2021-05-02 16:11:33,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472187241] [2021-05-02 16:11:33,563 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-05-02 16:11:33,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:33,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-05-02 16:11:33,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2021-05-02 16:11:33,564 INFO L87 Difference]: Start difference. First operand 110 states and 121 transitions. Second operand has 14 states, 14 states have (on average 5.857142857142857) internal successors, (82), 13 states have internal predecessors, (82), 13 states have call successors, (15), 13 states have call predecessors, (15), 11 states have return successors, (13), 11 states have call predecessors, (13), 12 states have call successors, (13) [2021-05-02 16:11:33,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:33,687 INFO L93 Difference]: Finished difference Result 124 states and 136 transitions. [2021-05-02 16:11:33,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-02 16:11:33,688 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.857142857142857) internal successors, (82), 13 states have internal predecessors, (82), 13 states have call successors, (15), 13 states have call predecessors, (15), 11 states have return successors, (13), 11 states have call predecessors, (13), 12 states have call successors, (13) Word has length 113 [2021-05-02 16:11:33,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:33,689 INFO L225 Difference]: With dead ends: 124 [2021-05-02 16:11:33,689 INFO L226 Difference]: Without dead ends: 119 [2021-05-02 16:11:33,689 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 115.1ms TimeCoverageRelationStatistics Valid=210, Invalid=342, Unknown=0, NotChecked=0, Total=552 [2021-05-02 16:11:33,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2021-05-02 16:11:33,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2021-05-02 16:11:33,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 89 states have (on average 1.1348314606741574) internal successors, (101), 89 states have internal predecessors, (101), 16 states have call successors, (16), 15 states have call predecessors, (16), 13 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2021-05-02 16:11:33,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 131 transitions. [2021-05-02 16:11:33,711 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 131 transitions. Word has length 113 [2021-05-02 16:11:33,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:33,711 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 131 transitions. [2021-05-02 16:11:33,711 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 5.857142857142857) internal successors, (82), 13 states have internal predecessors, (82), 13 states have call successors, (15), 13 states have call predecessors, (15), 11 states have return successors, (13), 11 states have call predecessors, (13), 12 states have call successors, (13) [2021-05-02 16:11:33,711 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 131 transitions. [2021-05-02 16:11:33,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-05-02 16:11:33,712 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:33,712 INFO L523 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:33,929 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-05-02 16:11:33,929 INFO L428 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:33,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:33,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1999651676, now seen corresponding path program 11 times [2021-05-02 16:11:33,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:33,930 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311517399] [2021-05-02 16:11:33,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:33,935 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:33,935 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [614228025] [2021-05-02 16:11:33,935 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:34,039 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-05-02 16:11:34,039 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:11:34,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 27 conjunts are in the unsatisfiable core [2021-05-02 16:11:34,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:11:34,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:34,441 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 22 proven. 517 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:11:34,441 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:34,441 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311517399] [2021-05-02 16:11:34,441 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:11:34,441 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614228025] [2021-05-02 16:11:34,441 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614228025] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:11:34,441 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:11:34,442 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2021-05-02 16:11:34,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445650922] [2021-05-02 16:11:34,442 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-05-02 16:11:34,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:34,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-05-02 16:11:34,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=117, Unknown=0, NotChecked=0, Total=210 [2021-05-02 16:11:34,444 INFO L87 Difference]: Start difference. First operand 119 states and 131 transitions. Second operand has 15 states, 15 states have (on average 5.933333333333334) internal successors, (89), 14 states have internal predecessors, (89), 14 states have call successors, (16), 14 states have call predecessors, (16), 12 states have return successors, (14), 12 states have call predecessors, (14), 13 states have call successors, (14) [2021-05-02 16:11:34,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:34,690 INFO L93 Difference]: Finished difference Result 133 states and 146 transitions. [2021-05-02 16:11:34,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-05-02 16:11:34,691 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.933333333333334) internal successors, (89), 14 states have internal predecessors, (89), 14 states have call successors, (16), 14 states have call predecessors, (16), 12 states have return successors, (14), 12 states have call predecessors, (14), 13 states have call successors, (14) Word has length 122 [2021-05-02 16:11:34,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:34,691 INFO L225 Difference]: With dead ends: 133 [2021-05-02 16:11:34,691 INFO L226 Difference]: Without dead ends: 128 [2021-05-02 16:11:34,693 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 221.4ms TimeCoverageRelationStatistics Valid=247, Invalid=403, Unknown=0, NotChecked=0, Total=650 [2021-05-02 16:11:34,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-05-02 16:11:34,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2021-05-02 16:11:34,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 96 states have (on average 1.1354166666666667) internal successors, (109), 96 states have internal predecessors, (109), 17 states have call successors, (17), 16 states have call predecessors, (17), 14 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2021-05-02 16:11:34,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 141 transitions. [2021-05-02 16:11:34,717 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 141 transitions. Word has length 122 [2021-05-02 16:11:34,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:34,717 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 141 transitions. [2021-05-02 16:11:34,717 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 5.933333333333334) internal successors, (89), 14 states have internal predecessors, (89), 14 states have call successors, (16), 14 states have call predecessors, (16), 12 states have return successors, (14), 12 states have call predecessors, (14), 13 states have call successors, (14) [2021-05-02 16:11:34,717 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 141 transitions. [2021-05-02 16:11:34,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-05-02 16:11:34,719 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:34,719 INFO L523 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:34,934 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:34,935 INFO L428 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:34,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:34,935 INFO L82 PathProgramCache]: Analyzing trace with hash 881443734, now seen corresponding path program 12 times [2021-05-02 16:11:34,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:34,935 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572312002] [2021-05-02 16:11:34,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:34,940 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:34,941 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [476121444] [2021-05-02 16:11:34,941 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:35,037 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2021-05-02 16:11:35,037 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:11:35,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 29 conjunts are in the unsatisfiable core [2021-05-02 16:11:35,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:11:35,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,279 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 24 proven. 618 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:11:35,279 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:35,279 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572312002] [2021-05-02 16:11:35,279 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:11:35,279 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476121444] [2021-05-02 16:11:35,279 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476121444] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:11:35,280 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:11:35,280 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2021-05-02 16:11:35,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354856067] [2021-05-02 16:11:35,280 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-05-02 16:11:35,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:35,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-05-02 16:11:35,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=133, Unknown=0, NotChecked=0, Total=240 [2021-05-02 16:11:35,282 INFO L87 Difference]: Start difference. First operand 128 states and 141 transitions. Second operand has 16 states, 16 states have (on average 6.0) internal successors, (96), 15 states have internal predecessors, (96), 15 states have call successors, (17), 15 states have call predecessors, (17), 13 states have return successors, (15), 13 states have call predecessors, (15), 14 states have call successors, (15) [2021-05-02 16:11:35,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:35,439 INFO L93 Difference]: Finished difference Result 142 states and 156 transitions. [2021-05-02 16:11:35,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-05-02 16:11:35,439 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.0) internal successors, (96), 15 states have internal predecessors, (96), 15 states have call successors, (17), 15 states have call predecessors, (17), 13 states have return successors, (15), 13 states have call predecessors, (15), 14 states have call successors, (15) Word has length 131 [2021-05-02 16:11:35,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:35,440 INFO L225 Difference]: With dead ends: 142 [2021-05-02 16:11:35,440 INFO L226 Difference]: Without dead ends: 137 [2021-05-02 16:11:35,440 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 159.2ms TimeCoverageRelationStatistics Valid=287, Invalid=469, Unknown=0, NotChecked=0, Total=756 [2021-05-02 16:11:35,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-05-02 16:11:35,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-05-02 16:11:35,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 103 states have (on average 1.1359223300970873) internal successors, (117), 103 states have internal predecessors, (117), 18 states have call successors, (18), 17 states have call predecessors, (18), 15 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2021-05-02 16:11:35,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 151 transitions. [2021-05-02 16:11:35,445 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 151 transitions. Word has length 131 [2021-05-02 16:11:35,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:35,445 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 151 transitions. [2021-05-02 16:11:35,446 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 6.0) internal successors, (96), 15 states have internal predecessors, (96), 15 states have call successors, (17), 15 states have call predecessors, (17), 13 states have return successors, (15), 13 states have call predecessors, (15), 14 states have call successors, (15) [2021-05-02 16:11:35,446 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 151 transitions. [2021-05-02 16:11:35,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-05-02 16:11:35,446 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:35,446 INFO L523 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 13, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:35,666 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-05-02 16:11:35,667 INFO L428 AbstractCegarLoop]: === Iteration 17 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:35,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:35,667 INFO L82 PathProgramCache]: Analyzing trace with hash 2089018524, now seen corresponding path program 13 times [2021-05-02 16:11:35,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:35,667 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621886185] [2021-05-02 16:11:35,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:35,672 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:35,672 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1226513635] [2021-05-02 16:11:35,673 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 16:11:35,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 31 conjunts are in the unsatisfiable core [2021-05-02 16:11:35,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:11:35,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:35,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,008 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 26 proven. 728 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:11:36,008 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:36,008 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621886185] [2021-05-02 16:11:36,008 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:11:36,008 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226513635] [2021-05-02 16:11:36,008 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226513635] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:11:36,009 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:11:36,009 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2021-05-02 16:11:36,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665390494] [2021-05-02 16:11:36,009 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-05-02 16:11:36,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:36,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-05-02 16:11:36,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=150, Unknown=0, NotChecked=0, Total=272 [2021-05-02 16:11:36,010 INFO L87 Difference]: Start difference. First operand 137 states and 151 transitions. Second operand has 17 states, 17 states have (on average 6.0588235294117645) internal successors, (103), 16 states have internal predecessors, (103), 16 states have call successors, (18), 16 states have call predecessors, (18), 14 states have return successors, (16), 14 states have call predecessors, (16), 15 states have call successors, (16) [2021-05-02 16:11:36,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:36,182 INFO L93 Difference]: Finished difference Result 151 states and 166 transitions. [2021-05-02 16:11:36,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-02 16:11:36,183 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.0588235294117645) internal successors, (103), 16 states have internal predecessors, (103), 16 states have call successors, (18), 16 states have call predecessors, (18), 14 states have return successors, (16), 14 states have call predecessors, (16), 15 states have call successors, (16) Word has length 140 [2021-05-02 16:11:36,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:36,183 INFO L225 Difference]: With dead ends: 151 [2021-05-02 16:11:36,184 INFO L226 Difference]: Without dead ends: 146 [2021-05-02 16:11:36,184 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 178.4ms TimeCoverageRelationStatistics Valid=330, Invalid=540, Unknown=0, NotChecked=0, Total=870 [2021-05-02 16:11:36,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-05-02 16:11:36,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2021-05-02 16:11:36,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 110 states have (on average 1.1363636363636365) internal successors, (125), 110 states have internal predecessors, (125), 19 states have call successors, (19), 18 states have call predecessors, (19), 16 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2021-05-02 16:11:36,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 161 transitions. [2021-05-02 16:11:36,200 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 161 transitions. Word has length 140 [2021-05-02 16:11:36,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:36,201 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 161 transitions. [2021-05-02 16:11:36,201 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 6.0588235294117645) internal successors, (103), 16 states have internal predecessors, (103), 16 states have call successors, (18), 16 states have call predecessors, (18), 14 states have return successors, (16), 14 states have call predecessors, (16), 15 states have call successors, (16) [2021-05-02 16:11:36,201 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 161 transitions. [2021-05-02 16:11:36,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-05-02 16:11:36,202 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:36,202 INFO L523 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:36,417 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-05-02 16:11:36,418 INFO L428 AbstractCegarLoop]: === Iteration 18 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:36,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:36,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1088976298, now seen corresponding path program 14 times [2021-05-02 16:11:36,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:36,418 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664729854] [2021-05-02 16:11:36,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:36,425 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:36,426 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1484733576] [2021-05-02 16:11:36,426 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:36,495 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 16:11:36,495 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:11:36,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 33 conjunts are in the unsatisfiable core [2021-05-02 16:11:36,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:11:36,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:36,772 INFO L134 CoverageAnalysis]: Checked inductivity of 879 backedges. 28 proven. 847 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:11:36,772 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:36,772 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664729854] [2021-05-02 16:11:36,772 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:11:36,772 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484733576] [2021-05-02 16:11:36,772 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1484733576] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:11:36,773 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:11:36,773 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2021-05-02 16:11:36,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569818146] [2021-05-02 16:11:36,773 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-05-02 16:11:36,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:36,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-05-02 16:11:36,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=168, Unknown=0, NotChecked=0, Total=306 [2021-05-02 16:11:36,774 INFO L87 Difference]: Start difference. First operand 146 states and 161 transitions. Second operand has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 17 states have internal predecessors, (110), 17 states have call successors, (19), 17 states have call predecessors, (19), 15 states have return successors, (17), 15 states have call predecessors, (17), 16 states have call successors, (17) [2021-05-02 16:11:36,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:36,968 INFO L93 Difference]: Finished difference Result 160 states and 176 transitions. [2021-05-02 16:11:36,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-05-02 16:11:36,968 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 17 states have internal predecessors, (110), 17 states have call successors, (19), 17 states have call predecessors, (19), 15 states have return successors, (17), 15 states have call predecessors, (17), 16 states have call successors, (17) Word has length 149 [2021-05-02 16:11:36,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:36,969 INFO L225 Difference]: With dead ends: 160 [2021-05-02 16:11:36,969 INFO L226 Difference]: Without dead ends: 155 [2021-05-02 16:11:36,969 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 196.4ms TimeCoverageRelationStatistics Valid=376, Invalid=616, Unknown=0, NotChecked=0, Total=992 [2021-05-02 16:11:36,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-05-02 16:11:36,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2021-05-02 16:11:36,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 117 states have (on average 1.1367521367521367) internal successors, (133), 117 states have internal predecessors, (133), 20 states have call successors, (20), 19 states have call predecessors, (20), 17 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2021-05-02 16:11:36,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 171 transitions. [2021-05-02 16:11:36,975 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 171 transitions. Word has length 149 [2021-05-02 16:11:36,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:36,975 INFO L480 AbstractCegarLoop]: Abstraction has 155 states and 171 transitions. [2021-05-02 16:11:36,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 17 states have internal predecessors, (110), 17 states have call successors, (19), 17 states have call predecessors, (19), 15 states have return successors, (17), 15 states have call predecessors, (17), 16 states have call successors, (17) [2021-05-02 16:11:36,975 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 171 transitions. [2021-05-02 16:11:36,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-05-02 16:11:36,976 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:36,976 INFO L523 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:37,192 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-05-02 16:11:37,192 INFO L428 AbstractCegarLoop]: === Iteration 19 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:37,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:37,192 INFO L82 PathProgramCache]: Analyzing trace with hash -2060864036, now seen corresponding path program 15 times [2021-05-02 16:11:37,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:37,193 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853835130] [2021-05-02 16:11:37,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:37,200 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:37,200 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [360878237] [2021-05-02 16:11:37,200 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:37,289 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2021-05-02 16:11:37,289 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:11:37,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 35 conjunts are in the unsatisfiable core [2021-05-02 16:11:37,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:11:37,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:37,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1009 backedges. 30 proven. 975 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:11:37,609 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:37,609 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853835130] [2021-05-02 16:11:37,609 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:11:37,609 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360878237] [2021-05-02 16:11:37,609 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [360878237] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:11:37,609 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:11:37,609 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2021-05-02 16:11:37,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032982284] [2021-05-02 16:11:37,610 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-05-02 16:11:37,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:37,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-05-02 16:11:37,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=187, Unknown=0, NotChecked=0, Total=342 [2021-05-02 16:11:37,610 INFO L87 Difference]: Start difference. First operand 155 states and 171 transitions. Second operand has 19 states, 19 states have (on average 6.157894736842105) internal successors, (117), 18 states have internal predecessors, (117), 18 states have call successors, (20), 18 states have call predecessors, (20), 16 states have return successors, (18), 16 states have call predecessors, (18), 17 states have call successors, (18) [2021-05-02 16:11:37,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:37,837 INFO L93 Difference]: Finished difference Result 169 states and 186 transitions. [2021-05-02 16:11:37,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-05-02 16:11:37,838 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.157894736842105) internal successors, (117), 18 states have internal predecessors, (117), 18 states have call successors, (20), 18 states have call predecessors, (20), 16 states have return successors, (18), 16 states have call predecessors, (18), 17 states have call successors, (18) Word has length 158 [2021-05-02 16:11:37,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:37,838 INFO L225 Difference]: With dead ends: 169 [2021-05-02 16:11:37,838 INFO L226 Difference]: Without dead ends: 164 [2021-05-02 16:11:37,839 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 228.4ms TimeCoverageRelationStatistics Valid=425, Invalid=697, Unknown=0, NotChecked=0, Total=1122 [2021-05-02 16:11:37,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-05-02 16:11:37,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2021-05-02 16:11:37,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 124 states have (on average 1.1370967741935485) internal successors, (141), 124 states have internal predecessors, (141), 21 states have call successors, (21), 20 states have call predecessors, (21), 18 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2021-05-02 16:11:37,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 181 transitions. [2021-05-02 16:11:37,845 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 181 transitions. Word has length 158 [2021-05-02 16:11:37,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:37,845 INFO L480 AbstractCegarLoop]: Abstraction has 164 states and 181 transitions. [2021-05-02 16:11:37,845 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 6.157894736842105) internal successors, (117), 18 states have internal predecessors, (117), 18 states have call successors, (20), 18 states have call predecessors, (20), 16 states have return successors, (18), 16 states have call predecessors, (18), 17 states have call successors, (18) [2021-05-02 16:11:37,845 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 181 transitions. [2021-05-02 16:11:37,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-05-02 16:11:37,846 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:37,846 INFO L523 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 16, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:38,061 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:38,061 INFO L428 AbstractCegarLoop]: === Iteration 20 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:38,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:38,061 INFO L82 PathProgramCache]: Analyzing trace with hash -1479991018, now seen corresponding path program 16 times [2021-05-02 16:11:38,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:38,062 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140870544] [2021-05-02 16:11:38,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:38,066 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:38,067 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2117676476] [2021-05-02 16:11:38,067 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:38,168 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 16:11:38,169 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:11:38,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 37 conjunts are in the unsatisfiable core [2021-05-02 16:11:38,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:11:38,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:38,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1148 backedges. 32 proven. 1112 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:11:38,511 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:38,511 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140870544] [2021-05-02 16:11:38,511 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:11:38,511 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117676476] [2021-05-02 16:11:38,512 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117676476] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:11:38,512 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:11:38,512 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2021-05-02 16:11:38,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122681969] [2021-05-02 16:11:38,512 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-05-02 16:11:38,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:38,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-05-02 16:11:38,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=207, Unknown=0, NotChecked=0, Total=380 [2021-05-02 16:11:38,513 INFO L87 Difference]: Start difference. First operand 164 states and 181 transitions. Second operand has 20 states, 20 states have (on average 6.2) internal successors, (124), 19 states have internal predecessors, (124), 19 states have call successors, (21), 19 states have call predecessors, (21), 17 states have return successors, (19), 17 states have call predecessors, (19), 18 states have call successors, (19) [2021-05-02 16:11:38,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:38,726 INFO L93 Difference]: Finished difference Result 178 states and 196 transitions. [2021-05-02 16:11:38,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-05-02 16:11:38,726 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 6.2) internal successors, (124), 19 states have internal predecessors, (124), 19 states have call successors, (21), 19 states have call predecessors, (21), 17 states have return successors, (19), 17 states have call predecessors, (19), 18 states have call successors, (19) Word has length 167 [2021-05-02 16:11:38,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:38,727 INFO L225 Difference]: With dead ends: 178 [2021-05-02 16:11:38,727 INFO L226 Difference]: Without dead ends: 173 [2021-05-02 16:11:38,728 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 258.4ms TimeCoverageRelationStatistics Valid=477, Invalid=783, Unknown=0, NotChecked=0, Total=1260 [2021-05-02 16:11:38,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-05-02 16:11:38,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2021-05-02 16:11:38,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 131 states have (on average 1.1374045801526718) internal successors, (149), 131 states have internal predecessors, (149), 22 states have call successors, (22), 21 states have call predecessors, (22), 19 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2021-05-02 16:11:38,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 191 transitions. [2021-05-02 16:11:38,733 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 191 transitions. Word has length 167 [2021-05-02 16:11:38,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:38,733 INFO L480 AbstractCegarLoop]: Abstraction has 173 states and 191 transitions. [2021-05-02 16:11:38,734 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 6.2) internal successors, (124), 19 states have internal predecessors, (124), 19 states have call successors, (21), 19 states have call predecessors, (21), 17 states have return successors, (19), 17 states have call predecessors, (19), 18 states have call successors, (19) [2021-05-02 16:11:38,734 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 191 transitions. [2021-05-02 16:11:38,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-05-02 16:11:38,735 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:38,735 INFO L523 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 17, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:38,948 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:38,949 INFO L428 AbstractCegarLoop]: === Iteration 21 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:38,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:38,949 INFO L82 PathProgramCache]: Analyzing trace with hash 318093084, now seen corresponding path program 17 times [2021-05-02 16:11:38,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:38,949 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021723565] [2021-05-02 16:11:38,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:38,954 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:38,954 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1078050101] [2021-05-02 16:11:38,954 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:39,041 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) [2021-05-02 16:11:39,041 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:11:39,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 39 conjunts are in the unsatisfiable core [2021-05-02 16:11:39,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:11:39,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:39,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 34 proven. 1258 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:11:39,388 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:39,388 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021723565] [2021-05-02 16:11:39,388 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:11:39,388 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1078050101] [2021-05-02 16:11:39,388 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1078050101] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:11:39,388 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:11:39,388 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2021-05-02 16:11:39,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149967860] [2021-05-02 16:11:39,388 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-05-02 16:11:39,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:39,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-05-02 16:11:39,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=228, Unknown=0, NotChecked=0, Total=420 [2021-05-02 16:11:39,389 INFO L87 Difference]: Start difference. First operand 173 states and 191 transitions. Second operand has 21 states, 21 states have (on average 6.238095238095238) internal successors, (131), 20 states have internal predecessors, (131), 20 states have call successors, (22), 20 states have call predecessors, (22), 18 states have return successors, (20), 18 states have call predecessors, (20), 19 states have call successors, (20) [2021-05-02 16:11:39,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:39,673 INFO L93 Difference]: Finished difference Result 187 states and 206 transitions. [2021-05-02 16:11:39,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-05-02 16:11:39,673 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 6.238095238095238) internal successors, (131), 20 states have internal predecessors, (131), 20 states have call successors, (22), 20 states have call predecessors, (22), 18 states have return successors, (20), 18 states have call predecessors, (20), 19 states have call successors, (20) Word has length 176 [2021-05-02 16:11:39,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:39,674 INFO L225 Difference]: With dead ends: 187 [2021-05-02 16:11:39,674 INFO L226 Difference]: Without dead ends: 182 [2021-05-02 16:11:39,675 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 296.3ms TimeCoverageRelationStatistics Valid=532, Invalid=874, Unknown=0, NotChecked=0, Total=1406 [2021-05-02 16:11:39,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2021-05-02 16:11:39,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2021-05-02 16:11:39,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 138 states have (on average 1.1376811594202898) internal successors, (157), 138 states have internal predecessors, (157), 23 states have call successors, (23), 22 states have call predecessors, (23), 20 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2021-05-02 16:11:39,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 201 transitions. [2021-05-02 16:11:39,680 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 201 transitions. Word has length 176 [2021-05-02 16:11:39,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:39,680 INFO L480 AbstractCegarLoop]: Abstraction has 182 states and 201 transitions. [2021-05-02 16:11:39,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 6.238095238095238) internal successors, (131), 20 states have internal predecessors, (131), 20 states have call successors, (22), 20 states have call predecessors, (22), 18 states have return successors, (20), 18 states have call predecessors, (20), 19 states have call successors, (20) [2021-05-02 16:11:39,681 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 201 transitions. [2021-05-02 16:11:39,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-05-02 16:11:39,682 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:39,682 INFO L523 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 18, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:39,898 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-05-02 16:11:39,898 INFO L428 AbstractCegarLoop]: === Iteration 22 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:39,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:39,898 INFO L82 PathProgramCache]: Analyzing trace with hash 994740182, now seen corresponding path program 18 times [2021-05-02 16:11:39,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:39,899 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909601529] [2021-05-02 16:11:39,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:39,903 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:39,904 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [29452050] [2021-05-02 16:11:39,904 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:40,015 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2021-05-02 16:11:40,015 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:11:40,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 41 conjunts are in the unsatisfiable core [2021-05-02 16:11:40,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:11:40,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1453 backedges. 36 proven. 1413 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:11:40,401 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:40,401 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909601529] [2021-05-02 16:11:40,401 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:11:40,401 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29452050] [2021-05-02 16:11:40,401 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29452050] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:11:40,401 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:11:40,401 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2021-05-02 16:11:40,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881043004] [2021-05-02 16:11:40,402 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-05-02 16:11:40,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:40,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-05-02 16:11:40,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=250, Unknown=0, NotChecked=0, Total=462 [2021-05-02 16:11:40,402 INFO L87 Difference]: Start difference. First operand 182 states and 201 transitions. Second operand has 22 states, 22 states have (on average 6.2727272727272725) internal successors, (138), 21 states have internal predecessors, (138), 21 states have call successors, (23), 21 states have call predecessors, (23), 19 states have return successors, (21), 19 states have call predecessors, (21), 20 states have call successors, (21) [2021-05-02 16:11:40,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:40,654 INFO L93 Difference]: Finished difference Result 196 states and 216 transitions. [2021-05-02 16:11:40,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-05-02 16:11:40,655 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 6.2727272727272725) internal successors, (138), 21 states have internal predecessors, (138), 21 states have call successors, (23), 21 states have call predecessors, (23), 19 states have return successors, (21), 19 states have call predecessors, (21), 20 states have call successors, (21) Word has length 185 [2021-05-02 16:11:40,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:40,656 INFO L225 Difference]: With dead ends: 196 [2021-05-02 16:11:40,656 INFO L226 Difference]: Without dead ends: 191 [2021-05-02 16:11:40,656 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 294.7ms TimeCoverageRelationStatistics Valid=590, Invalid=970, Unknown=0, NotChecked=0, Total=1560 [2021-05-02 16:11:40,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-05-02 16:11:40,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2021-05-02 16:11:40,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 145 states have (on average 1.1379310344827587) internal successors, (165), 145 states have internal predecessors, (165), 24 states have call successors, (24), 23 states have call predecessors, (24), 21 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2021-05-02 16:11:40,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 211 transitions. [2021-05-02 16:11:40,662 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 211 transitions. Word has length 185 [2021-05-02 16:11:40,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:40,663 INFO L480 AbstractCegarLoop]: Abstraction has 191 states and 211 transitions. [2021-05-02 16:11:40,663 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 6.2727272727272725) internal successors, (138), 21 states have internal predecessors, (138), 21 states have call successors, (23), 21 states have call predecessors, (23), 19 states have return successors, (21), 19 states have call predecessors, (21), 20 states have call successors, (21) [2021-05-02 16:11:40,663 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 211 transitions. [2021-05-02 16:11:40,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-05-02 16:11:40,664 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:40,664 INFO L523 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 19, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:40,879 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-05-02 16:11:40,879 INFO L428 AbstractCegarLoop]: === Iteration 23 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:40,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:40,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1522264156, now seen corresponding path program 19 times [2021-05-02 16:11:40,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:40,880 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777710598] [2021-05-02 16:11:40,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:40,888 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:40,888 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [906466813] [2021-05-02 16:11:40,888 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:40,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 16:11:40,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 43 conjunts are in the unsatisfiable core [2021-05-02 16:11:40,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:11:40,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:40,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1619 backedges. 38 proven. 1577 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:11:41,375 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:41,375 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777710598] [2021-05-02 16:11:41,375 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:11:41,376 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906466813] [2021-05-02 16:11:41,376 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906466813] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:11:41,376 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:11:41,376 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2021-05-02 16:11:41,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514965466] [2021-05-02 16:11:41,376 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-05-02 16:11:41,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:41,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-05-02 16:11:41,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=273, Unknown=0, NotChecked=0, Total=506 [2021-05-02 16:11:41,377 INFO L87 Difference]: Start difference. First operand 191 states and 211 transitions. Second operand has 23 states, 23 states have (on average 6.304347826086956) internal successors, (145), 22 states have internal predecessors, (145), 22 states have call successors, (24), 22 states have call predecessors, (24), 20 states have return successors, (22), 20 states have call predecessors, (22), 21 states have call successors, (22) [2021-05-02 16:11:41,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:41,657 INFO L93 Difference]: Finished difference Result 205 states and 226 transitions. [2021-05-02 16:11:41,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-05-02 16:11:41,658 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 6.304347826086956) internal successors, (145), 22 states have internal predecessors, (145), 22 states have call successors, (24), 22 states have call predecessors, (24), 20 states have return successors, (22), 20 states have call predecessors, (22), 21 states have call successors, (22) Word has length 194 [2021-05-02 16:11:41,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:41,658 INFO L225 Difference]: With dead ends: 205 [2021-05-02 16:11:41,658 INFO L226 Difference]: Without dead ends: 200 [2021-05-02 16:11:41,659 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 332.0ms TimeCoverageRelationStatistics Valid=651, Invalid=1071, Unknown=0, NotChecked=0, Total=1722 [2021-05-02 16:11:41,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2021-05-02 16:11:41,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2021-05-02 16:11:41,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 152 states have (on average 1.138157894736842) internal successors, (173), 152 states have internal predecessors, (173), 25 states have call successors, (25), 24 states have call predecessors, (25), 22 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2021-05-02 16:11:41,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 221 transitions. [2021-05-02 16:11:41,665 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 221 transitions. Word has length 194 [2021-05-02 16:11:41,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:41,665 INFO L480 AbstractCegarLoop]: Abstraction has 200 states and 221 transitions. [2021-05-02 16:11:41,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 6.304347826086956) internal successors, (145), 22 states have internal predecessors, (145), 22 states have call successors, (24), 22 states have call predecessors, (24), 20 states have return successors, (22), 20 states have call predecessors, (22), 21 states have call successors, (22) [2021-05-02 16:11:41,665 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 221 transitions. [2021-05-02 16:11:41,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-05-02 16:11:41,666 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:41,666 INFO L523 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 20, 20, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:41,881 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:41,882 INFO L428 AbstractCegarLoop]: === Iteration 24 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:41,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:41,882 INFO L82 PathProgramCache]: Analyzing trace with hash 1934081686, now seen corresponding path program 20 times [2021-05-02 16:11:41,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:41,882 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449788202] [2021-05-02 16:11:41,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:41,887 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:41,887 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1902211679] [2021-05-02 16:11:41,887 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:41,964 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 16:11:41,965 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:11:41,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 45 conjunts are in the unsatisfiable core [2021-05-02 16:11:41,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:11:41,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:41,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:42,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1794 backedges. 40 proven. 1750 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:11:42,376 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:42,376 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449788202] [2021-05-02 16:11:42,376 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:11:42,376 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902211679] [2021-05-02 16:11:42,376 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1902211679] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:11:42,376 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:11:42,376 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2021-05-02 16:11:42,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638049530] [2021-05-02 16:11:42,377 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-05-02 16:11:42,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:42,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-05-02 16:11:42,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=297, Unknown=0, NotChecked=0, Total=552 [2021-05-02 16:11:42,378 INFO L87 Difference]: Start difference. First operand 200 states and 221 transitions. Second operand has 24 states, 24 states have (on average 6.333333333333333) internal successors, (152), 23 states have internal predecessors, (152), 23 states have call successors, (25), 23 states have call predecessors, (25), 21 states have return successors, (23), 21 states have call predecessors, (23), 22 states have call successors, (23) [2021-05-02 16:11:42,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:42,689 INFO L93 Difference]: Finished difference Result 214 states and 236 transitions. [2021-05-02 16:11:42,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-02 16:11:42,690 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 6.333333333333333) internal successors, (152), 23 states have internal predecessors, (152), 23 states have call successors, (25), 23 states have call predecessors, (25), 21 states have return successors, (23), 21 states have call predecessors, (23), 22 states have call successors, (23) Word has length 203 [2021-05-02 16:11:42,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:42,690 INFO L225 Difference]: With dead ends: 214 [2021-05-02 16:11:42,691 INFO L226 Difference]: Without dead ends: 209 [2021-05-02 16:11:42,691 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 355.3ms TimeCoverageRelationStatistics Valid=715, Invalid=1177, Unknown=0, NotChecked=0, Total=1892 [2021-05-02 16:11:42,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2021-05-02 16:11:42,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2021-05-02 16:11:42,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 159 states have (on average 1.1383647798742138) internal successors, (181), 159 states have internal predecessors, (181), 26 states have call successors, (26), 25 states have call predecessors, (26), 23 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2021-05-02 16:11:42,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 231 transitions. [2021-05-02 16:11:42,697 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 231 transitions. Word has length 203 [2021-05-02 16:11:42,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:42,698 INFO L480 AbstractCegarLoop]: Abstraction has 209 states and 231 transitions. [2021-05-02 16:11:42,698 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 6.333333333333333) internal successors, (152), 23 states have internal predecessors, (152), 23 states have call successors, (25), 23 states have call predecessors, (25), 21 states have return successors, (23), 21 states have call predecessors, (23), 22 states have call successors, (23) [2021-05-02 16:11:42,698 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 231 transitions. [2021-05-02 16:11:42,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-05-02 16:11:42,698 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:42,699 INFO L523 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 21, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:42,914 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-05-02 16:11:42,914 INFO L428 AbstractCegarLoop]: === Iteration 25 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:42,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:42,914 INFO L82 PathProgramCache]: Analyzing trace with hash -2075113060, now seen corresponding path program 21 times [2021-05-02 16:11:42,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:42,914 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973546878] [2021-05-02 16:11:42,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:42,919 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:42,919 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [218204565] [2021-05-02 16:11:42,919 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:43,056 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2021-05-02 16:11:43,056 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:11:43,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 47 conjunts are in the unsatisfiable core [2021-05-02 16:11:43,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:11:43,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:43,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1978 backedges. 42 proven. 1932 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:11:43,482 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:43,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973546878] [2021-05-02 16:11:43,482 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:11:43,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218204565] [2021-05-02 16:11:43,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [218204565] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:11:43,482 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:11:43,483 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2021-05-02 16:11:43,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910739544] [2021-05-02 16:11:43,483 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-05-02 16:11:43,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:43,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-05-02 16:11:43,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=322, Unknown=0, NotChecked=0, Total=600 [2021-05-02 16:11:43,484 INFO L87 Difference]: Start difference. First operand 209 states and 231 transitions. Second operand has 25 states, 25 states have (on average 6.36) internal successors, (159), 24 states have internal predecessors, (159), 24 states have call successors, (26), 24 states have call predecessors, (26), 22 states have return successors, (24), 22 states have call predecessors, (24), 23 states have call successors, (24) [2021-05-02 16:11:43,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:43,791 INFO L93 Difference]: Finished difference Result 223 states and 246 transitions. [2021-05-02 16:11:43,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-05-02 16:11:43,791 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 6.36) internal successors, (159), 24 states have internal predecessors, (159), 24 states have call successors, (26), 24 states have call predecessors, (26), 22 states have return successors, (24), 22 states have call predecessors, (24), 23 states have call successors, (24) Word has length 212 [2021-05-02 16:11:43,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:43,792 INFO L225 Difference]: With dead ends: 223 [2021-05-02 16:11:43,792 INFO L226 Difference]: Without dead ends: 218 [2021-05-02 16:11:43,793 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 387.1ms TimeCoverageRelationStatistics Valid=782, Invalid=1288, Unknown=0, NotChecked=0, Total=2070 [2021-05-02 16:11:43,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2021-05-02 16:11:43,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2021-05-02 16:11:43,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 166 states have (on average 1.1385542168674698) internal successors, (189), 166 states have internal predecessors, (189), 27 states have call successors, (27), 26 states have call predecessors, (27), 24 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2021-05-02 16:11:43,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 241 transitions. [2021-05-02 16:11:43,799 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 241 transitions. Word has length 212 [2021-05-02 16:11:43,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:43,799 INFO L480 AbstractCegarLoop]: Abstraction has 218 states and 241 transitions. [2021-05-02 16:11:43,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 6.36) internal successors, (159), 24 states have internal predecessors, (159), 24 states have call successors, (26), 24 states have call predecessors, (26), 22 states have return successors, (24), 22 states have call predecessors, (24), 23 states have call successors, (24) [2021-05-02 16:11:43,800 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 241 transitions. [2021-05-02 16:11:43,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-05-02 16:11:43,800 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:43,800 INFO L523 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 22, 22, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:44,016 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:44,016 INFO L428 AbstractCegarLoop]: === Iteration 26 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:44,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:44,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1234385578, now seen corresponding path program 22 times [2021-05-02 16:11:44,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:44,016 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584907344] [2021-05-02 16:11:44,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:44,022 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:44,022 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1579161817] [2021-05-02 16:11:44,022 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:44,104 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 16:11:44,104 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:11:44,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 49 conjunts are in the unsatisfiable core [2021-05-02 16:11:44,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:11:44,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:44,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2171 backedges. 44 proven. 2123 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:11:44,554 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:44,554 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584907344] [2021-05-02 16:11:44,554 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:11:44,554 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579161817] [2021-05-02 16:11:44,554 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1579161817] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:11:44,554 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:11:44,554 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2021-05-02 16:11:44,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470956170] [2021-05-02 16:11:44,555 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-05-02 16:11:44,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:44,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-05-02 16:11:44,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=348, Unknown=0, NotChecked=0, Total=650 [2021-05-02 16:11:44,556 INFO L87 Difference]: Start difference. First operand 218 states and 241 transitions. Second operand has 26 states, 26 states have (on average 6.384615384615385) internal successors, (166), 25 states have internal predecessors, (166), 25 states have call successors, (27), 25 states have call predecessors, (27), 23 states have return successors, (25), 23 states have call predecessors, (25), 24 states have call successors, (25) [2021-05-02 16:11:44,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:44,892 INFO L93 Difference]: Finished difference Result 232 states and 256 transitions. [2021-05-02 16:11:44,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-05-02 16:11:44,892 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 6.384615384615385) internal successors, (166), 25 states have internal predecessors, (166), 25 states have call successors, (27), 25 states have call predecessors, (27), 23 states have return successors, (25), 23 states have call predecessors, (25), 24 states have call successors, (25) Word has length 221 [2021-05-02 16:11:44,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:44,893 INFO L225 Difference]: With dead ends: 232 [2021-05-02 16:11:44,893 INFO L226 Difference]: Without dead ends: 227 [2021-05-02 16:11:44,894 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 406.3ms TimeCoverageRelationStatistics Valid=852, Invalid=1404, Unknown=0, NotChecked=0, Total=2256 [2021-05-02 16:11:44,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-05-02 16:11:44,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2021-05-02 16:11:44,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 173 states have (on average 1.138728323699422) internal successors, (197), 173 states have internal predecessors, (197), 28 states have call successors, (28), 27 states have call predecessors, (28), 25 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2021-05-02 16:11:44,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 251 transitions. [2021-05-02 16:11:44,900 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 251 transitions. Word has length 221 [2021-05-02 16:11:44,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:44,900 INFO L480 AbstractCegarLoop]: Abstraction has 227 states and 251 transitions. [2021-05-02 16:11:44,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 6.384615384615385) internal successors, (166), 25 states have internal predecessors, (166), 25 states have call successors, (27), 25 states have call predecessors, (27), 23 states have return successors, (25), 23 states have call predecessors, (25), 24 states have call successors, (25) [2021-05-02 16:11:44,900 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 251 transitions. [2021-05-02 16:11:44,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-05-02 16:11:44,901 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:44,901 INFO L523 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 23, 23, 23, 23, 23, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:45,117 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-05-02 16:11:45,117 INFO L428 AbstractCegarLoop]: === Iteration 27 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:45,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:45,117 INFO L82 PathProgramCache]: Analyzing trace with hash -360260900, now seen corresponding path program 23 times [2021-05-02 16:11:45,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:45,117 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127649018] [2021-05-02 16:11:45,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:45,126 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:45,126 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [46708975] [2021-05-02 16:11:45,126 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:45,229 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 24 check-sat command(s) [2021-05-02 16:11:45,229 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:11:45,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 51 conjunts are in the unsatisfiable core [2021-05-02 16:11:45,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:11:45,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:45,732 INFO L134 CoverageAnalysis]: Checked inductivity of 2373 backedges. 46 proven. 2323 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:11:45,732 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:45,732 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127649018] [2021-05-02 16:11:45,732 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:11:45,732 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46708975] [2021-05-02 16:11:45,732 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46708975] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:11:45,732 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:11:45,732 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2021-05-02 16:11:45,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744605973] [2021-05-02 16:11:45,732 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-05-02 16:11:45,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:45,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-05-02 16:11:45,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=375, Unknown=0, NotChecked=0, Total=702 [2021-05-02 16:11:45,733 INFO L87 Difference]: Start difference. First operand 227 states and 251 transitions. Second operand has 27 states, 27 states have (on average 6.407407407407407) internal successors, (173), 26 states have internal predecessors, (173), 26 states have call successors, (28), 26 states have call predecessors, (28), 24 states have return successors, (26), 24 states have call predecessors, (26), 25 states have call successors, (26) [2021-05-02 16:11:46,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:46,091 INFO L93 Difference]: Finished difference Result 241 states and 266 transitions. [2021-05-02 16:11:46,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-05-02 16:11:46,091 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 6.407407407407407) internal successors, (173), 26 states have internal predecessors, (173), 26 states have call successors, (28), 26 states have call predecessors, (28), 24 states have return successors, (26), 24 states have call predecessors, (26), 25 states have call successors, (26) Word has length 230 [2021-05-02 16:11:46,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:46,092 INFO L225 Difference]: With dead ends: 241 [2021-05-02 16:11:46,092 INFO L226 Difference]: Without dead ends: 236 [2021-05-02 16:11:46,093 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 276 ImplicationChecksByTransitivity, 447.8ms TimeCoverageRelationStatistics Valid=925, Invalid=1525, Unknown=0, NotChecked=0, Total=2450 [2021-05-02 16:11:46,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2021-05-02 16:11:46,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 236. [2021-05-02 16:11:46,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 180 states have (on average 1.1388888888888888) internal successors, (205), 180 states have internal predecessors, (205), 29 states have call successors, (29), 28 states have call predecessors, (29), 26 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2021-05-02 16:11:46,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 261 transitions. [2021-05-02 16:11:46,112 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 261 transitions. Word has length 230 [2021-05-02 16:11:46,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:46,112 INFO L480 AbstractCegarLoop]: Abstraction has 236 states and 261 transitions. [2021-05-02 16:11:46,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 6.407407407407407) internal successors, (173), 26 states have internal predecessors, (173), 26 states have call successors, (28), 26 states have call predecessors, (28), 24 states have return successors, (26), 24 states have call predecessors, (26), 25 states have call successors, (26) [2021-05-02 16:11:46,112 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 261 transitions. [2021-05-02 16:11:46,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-05-02 16:11:46,113 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:46,113 INFO L523 BasicCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 24, 24, 24, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:46,328 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-05-02 16:11:46,328 INFO L428 AbstractCegarLoop]: === Iteration 28 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:46,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:46,328 INFO L82 PathProgramCache]: Analyzing trace with hash -1738171370, now seen corresponding path program 24 times [2021-05-02 16:11:46,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:46,329 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182914450] [2021-05-02 16:11:46,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:46,333 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:46,333 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [7283377] [2021-05-02 16:11:46,333 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:46,460 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 25 check-sat command(s) [2021-05-02 16:11:46,460 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:11:46,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 53 conjunts are in the unsatisfiable core [2021-05-02 16:11:46,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:11:46,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:46,974 INFO L134 CoverageAnalysis]: Checked inductivity of 2584 backedges. 48 proven. 2532 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:11:46,974 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:46,974 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182914450] [2021-05-02 16:11:46,974 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:11:46,974 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [7283377] [2021-05-02 16:11:46,974 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [7283377] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:11:46,974 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:11:46,975 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2021-05-02 16:11:46,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995083077] [2021-05-02 16:11:46,975 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-05-02 16:11:46,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:46,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-05-02 16:11:46,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=353, Invalid=403, Unknown=0, NotChecked=0, Total=756 [2021-05-02 16:11:46,976 INFO L87 Difference]: Start difference. First operand 236 states and 261 transitions. Second operand has 28 states, 28 states have (on average 6.428571428571429) internal successors, (180), 27 states have internal predecessors, (180), 27 states have call successors, (29), 27 states have call predecessors, (29), 25 states have return successors, (27), 25 states have call predecessors, (27), 26 states have call successors, (27) [2021-05-02 16:11:47,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:47,367 INFO L93 Difference]: Finished difference Result 250 states and 276 transitions. [2021-05-02 16:11:47,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-05-02 16:11:47,367 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 6.428571428571429) internal successors, (180), 27 states have internal predecessors, (180), 27 states have call successors, (29), 27 states have call predecessors, (29), 25 states have return successors, (27), 25 states have call predecessors, (27), 26 states have call successors, (27) Word has length 239 [2021-05-02 16:11:47,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:47,368 INFO L225 Difference]: With dead ends: 250 [2021-05-02 16:11:47,368 INFO L226 Difference]: Without dead ends: 245 [2021-05-02 16:11:47,369 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 477.6ms TimeCoverageRelationStatistics Valid=1001, Invalid=1651, Unknown=0, NotChecked=0, Total=2652 [2021-05-02 16:11:47,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2021-05-02 16:11:47,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 245. [2021-05-02 16:11:47,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 187 states have (on average 1.13903743315508) internal successors, (213), 187 states have internal predecessors, (213), 30 states have call successors, (30), 29 states have call predecessors, (30), 27 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2021-05-02 16:11:47,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 271 transitions. [2021-05-02 16:11:47,375 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 271 transitions. Word has length 239 [2021-05-02 16:11:47,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:47,375 INFO L480 AbstractCegarLoop]: Abstraction has 245 states and 271 transitions. [2021-05-02 16:11:47,376 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 6.428571428571429) internal successors, (180), 27 states have internal predecessors, (180), 27 states have call successors, (29), 27 states have call predecessors, (29), 25 states have return successors, (27), 25 states have call predecessors, (27), 26 states have call successors, (27) [2021-05-02 16:11:47,376 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 271 transitions. [2021-05-02 16:11:47,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-05-02 16:11:47,376 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:47,377 INFO L523 BasicCegarLoop]: trace histogram [26, 26, 25, 25, 25, 25, 25, 25, 25, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:47,592 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-05-02 16:11:47,592 INFO L428 AbstractCegarLoop]: === Iteration 29 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:47,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:47,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1530108956, now seen corresponding path program 25 times [2021-05-02 16:11:47,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:47,593 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408448735] [2021-05-02 16:11:47,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:47,600 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:47,600 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [99025713] [2021-05-02 16:11:47,600 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 16:11:47,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 55 conjunts are in the unsatisfiable core [2021-05-02 16:11:47,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:11:47,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:47,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:48,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:48,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:48,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:48,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:48,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:48,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:48,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:48,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:48,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:48,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:48,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:48,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:48,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:48,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:48,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:48,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:48,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:48,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:48,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:48,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:48,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:48,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:48,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:48,218 INFO L134 CoverageAnalysis]: Checked inductivity of 2804 backedges. 50 proven. 2750 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:11:48,218 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:48,218 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408448735] [2021-05-02 16:11:48,218 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:11:48,219 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99025713] [2021-05-02 16:11:48,219 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [99025713] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:11:48,219 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:11:48,219 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2021-05-02 16:11:48,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611851367] [2021-05-02 16:11:48,219 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-05-02 16:11:48,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:48,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-05-02 16:11:48,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=380, Invalid=432, Unknown=0, NotChecked=0, Total=812 [2021-05-02 16:11:48,220 INFO L87 Difference]: Start difference. First operand 245 states and 271 transitions. Second operand has 29 states, 29 states have (on average 6.448275862068965) internal successors, (187), 28 states have internal predecessors, (187), 28 states have call successors, (30), 28 states have call predecessors, (30), 26 states have return successors, (28), 26 states have call predecessors, (28), 27 states have call successors, (28) [2021-05-02 16:11:48,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:48,630 INFO L93 Difference]: Finished difference Result 259 states and 286 transitions. [2021-05-02 16:11:48,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-05-02 16:11:48,630 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 6.448275862068965) internal successors, (187), 28 states have internal predecessors, (187), 28 states have call successors, (30), 28 states have call predecessors, (30), 26 states have return successors, (28), 26 states have call predecessors, (28), 27 states have call successors, (28) Word has length 248 [2021-05-02 16:11:48,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:48,631 INFO L225 Difference]: With dead ends: 259 [2021-05-02 16:11:48,632 INFO L226 Difference]: Without dead ends: 254 [2021-05-02 16:11:48,632 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 529.3ms TimeCoverageRelationStatistics Valid=1080, Invalid=1782, Unknown=0, NotChecked=0, Total=2862 [2021-05-02 16:11:48,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-05-02 16:11:48,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2021-05-02 16:11:48,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 194 states have (on average 1.1391752577319587) internal successors, (221), 194 states have internal predecessors, (221), 31 states have call successors, (31), 30 states have call predecessors, (31), 28 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2021-05-02 16:11:48,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 281 transitions. [2021-05-02 16:11:48,639 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 281 transitions. Word has length 248 [2021-05-02 16:11:48,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:48,639 INFO L480 AbstractCegarLoop]: Abstraction has 254 states and 281 transitions. [2021-05-02 16:11:48,639 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 6.448275862068965) internal successors, (187), 28 states have internal predecessors, (187), 28 states have call successors, (30), 28 states have call predecessors, (30), 26 states have return successors, (28), 26 states have call predecessors, (28), 27 states have call successors, (28) [2021-05-02 16:11:48,639 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 281 transitions. [2021-05-02 16:11:48,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-05-02 16:11:48,640 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:48,640 INFO L523 BasicCegarLoop]: trace histogram [27, 27, 26, 26, 26, 26, 26, 26, 26, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:48,855 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-05-02 16:11:48,856 INFO L428 AbstractCegarLoop]: === Iteration 30 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:48,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:48,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1713487146, now seen corresponding path program 26 times [2021-05-02 16:11:48,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:48,856 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716208203] [2021-05-02 16:11:48,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:48,861 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:48,861 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [685738651] [2021-05-02 16:11:48,861 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:48,951 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 16:11:48,952 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:11:48,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 57 conjunts are in the unsatisfiable core [2021-05-02 16:11:48,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:11:48,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:48,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:48,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:48,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:48,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:48,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:48,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:48,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:48,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:49,538 INFO L134 CoverageAnalysis]: Checked inductivity of 3033 backedges. 52 proven. 2977 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:11:49,539 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:49,539 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716208203] [2021-05-02 16:11:49,539 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:11:49,539 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685738651] [2021-05-02 16:11:49,539 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [685738651] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:11:49,539 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:11:49,539 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2021-05-02 16:11:49,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463740210] [2021-05-02 16:11:49,539 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-05-02 16:11:49,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:49,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-05-02 16:11:49,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=408, Invalid=462, Unknown=0, NotChecked=0, Total=870 [2021-05-02 16:11:49,540 INFO L87 Difference]: Start difference. First operand 254 states and 281 transitions. Second operand has 30 states, 30 states have (on average 6.466666666666667) internal successors, (194), 29 states have internal predecessors, (194), 29 states have call successors, (31), 29 states have call predecessors, (31), 27 states have return successors, (29), 27 states have call predecessors, (29), 28 states have call successors, (29) [2021-05-02 16:11:49,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:49,976 INFO L93 Difference]: Finished difference Result 268 states and 296 transitions. [2021-05-02 16:11:49,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-05-02 16:11:49,976 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 6.466666666666667) internal successors, (194), 29 states have internal predecessors, (194), 29 states have call successors, (31), 29 states have call predecessors, (31), 27 states have return successors, (29), 27 states have call predecessors, (29), 28 states have call successors, (29) Word has length 257 [2021-05-02 16:11:49,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:49,977 INFO L225 Difference]: With dead ends: 268 [2021-05-02 16:11:49,977 INFO L226 Difference]: Without dead ends: 263 [2021-05-02 16:11:49,978 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 561.1ms TimeCoverageRelationStatistics Valid=1162, Invalid=1918, Unknown=0, NotChecked=0, Total=3080 [2021-05-02 16:11:49,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2021-05-02 16:11:49,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 263. [2021-05-02 16:11:49,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 201 states have (on average 1.1393034825870647) internal successors, (229), 201 states have internal predecessors, (229), 32 states have call successors, (32), 31 states have call predecessors, (32), 29 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2021-05-02 16:11:49,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 291 transitions. [2021-05-02 16:11:49,985 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 291 transitions. Word has length 257 [2021-05-02 16:11:49,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:49,985 INFO L480 AbstractCegarLoop]: Abstraction has 263 states and 291 transitions. [2021-05-02 16:11:49,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 6.466666666666667) internal successors, (194), 29 states have internal predecessors, (194), 29 states have call successors, (31), 29 states have call predecessors, (31), 27 states have return successors, (29), 27 states have call predecessors, (29), 28 states have call successors, (29) [2021-05-02 16:11:49,985 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 291 transitions. [2021-05-02 16:11:49,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-05-02 16:11:49,986 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:49,986 INFO L523 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 27, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:50,201 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,30 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:50,202 INFO L428 AbstractCegarLoop]: === Iteration 31 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:50,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:50,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1462406492, now seen corresponding path program 27 times [2021-05-02 16:11:50,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:50,202 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665549244] [2021-05-02 16:11:50,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:50,213 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:50,213 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [274159133] [2021-05-02 16:11:50,213 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:50,357 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 28 check-sat command(s) [2021-05-02 16:11:50,357 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:11:50,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 59 conjunts are in the unsatisfiable core [2021-05-02 16:11:50,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:11:50,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:50,950 INFO L134 CoverageAnalysis]: Checked inductivity of 3271 backedges. 54 proven. 3213 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:11:50,950 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:50,950 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665549244] [2021-05-02 16:11:50,950 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:11:50,950 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [274159133] [2021-05-02 16:11:50,950 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [274159133] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:11:50,950 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:11:50,951 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2021-05-02 16:11:50,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458936117] [2021-05-02 16:11:50,951 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-02 16:11:50,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:50,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-02 16:11:50,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=437, Invalid=493, Unknown=0, NotChecked=0, Total=930 [2021-05-02 16:11:50,952 INFO L87 Difference]: Start difference. First operand 263 states and 291 transitions. Second operand has 31 states, 31 states have (on average 6.483870967741935) internal successors, (201), 30 states have internal predecessors, (201), 30 states have call successors, (32), 30 states have call predecessors, (32), 28 states have return successors, (30), 28 states have call predecessors, (30), 29 states have call successors, (30) [2021-05-02 16:11:51,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:51,407 INFO L93 Difference]: Finished difference Result 277 states and 306 transitions. [2021-05-02 16:11:51,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-05-02 16:11:51,407 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 6.483870967741935) internal successors, (201), 30 states have internal predecessors, (201), 30 states have call successors, (32), 30 states have call predecessors, (32), 28 states have return successors, (30), 28 states have call predecessors, (30), 29 states have call successors, (30) Word has length 266 [2021-05-02 16:11:51,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:51,408 INFO L225 Difference]: With dead ends: 277 [2021-05-02 16:11:51,408 INFO L226 Difference]: Without dead ends: 272 [2021-05-02 16:11:51,409 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 603.0ms TimeCoverageRelationStatistics Valid=1247, Invalid=2059, Unknown=0, NotChecked=0, Total=3306 [2021-05-02 16:11:51,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2021-05-02 16:11:51,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 272. [2021-05-02 16:11:51,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 208 states have (on average 1.1394230769230769) internal successors, (237), 208 states have internal predecessors, (237), 33 states have call successors, (33), 32 states have call predecessors, (33), 30 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-05-02 16:11:51,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 301 transitions. [2021-05-02 16:11:51,416 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 301 transitions. Word has length 266 [2021-05-02 16:11:51,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:51,417 INFO L480 AbstractCegarLoop]: Abstraction has 272 states and 301 transitions. [2021-05-02 16:11:51,417 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 6.483870967741935) internal successors, (201), 30 states have internal predecessors, (201), 30 states have call successors, (32), 30 states have call predecessors, (32), 28 states have return successors, (30), 28 states have call predecessors, (30), 29 states have call successors, (30) [2021-05-02 16:11:51,417 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 301 transitions. [2021-05-02 16:11:51,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-05-02 16:11:51,418 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:51,418 INFO L523 BasicCegarLoop]: trace histogram [29, 29, 28, 28, 28, 28, 28, 28, 28, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:51,633 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:51,634 INFO L428 AbstractCegarLoop]: === Iteration 32 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:51,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:51,634 INFO L82 PathProgramCache]: Analyzing trace with hash -394085994, now seen corresponding path program 28 times [2021-05-02 16:11:51,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:51,634 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789633147] [2021-05-02 16:11:51,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:51,642 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:51,642 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1724629864] [2021-05-02 16:11:51,642 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:51,751 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 16:11:51,751 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:11:51,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 61 conjunts are in the unsatisfiable core [2021-05-02 16:11:51,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:11:51,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:51,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:52,350 INFO L134 CoverageAnalysis]: Checked inductivity of 3518 backedges. 56 proven. 3458 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:11:52,350 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:52,350 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789633147] [2021-05-02 16:11:52,350 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:11:52,350 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724629864] [2021-05-02 16:11:52,350 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724629864] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:11:52,350 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:11:52,350 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2021-05-02 16:11:52,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053985406] [2021-05-02 16:11:52,351 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-05-02 16:11:52,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:52,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-05-02 16:11:52,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=467, Invalid=525, Unknown=0, NotChecked=0, Total=992 [2021-05-02 16:11:52,351 INFO L87 Difference]: Start difference. First operand 272 states and 301 transitions. Second operand has 32 states, 32 states have (on average 6.5) internal successors, (208), 31 states have internal predecessors, (208), 31 states have call successors, (33), 31 states have call predecessors, (33), 29 states have return successors, (31), 29 states have call predecessors, (31), 30 states have call successors, (31) [2021-05-02 16:11:52,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:52,851 INFO L93 Difference]: Finished difference Result 286 states and 316 transitions. [2021-05-02 16:11:52,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-05-02 16:11:52,851 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 6.5) internal successors, (208), 31 states have internal predecessors, (208), 31 states have call successors, (33), 31 states have call predecessors, (33), 29 states have return successors, (31), 29 states have call predecessors, (31), 30 states have call successors, (31) Word has length 275 [2021-05-02 16:11:52,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:52,852 INFO L225 Difference]: With dead ends: 286 [2021-05-02 16:11:52,852 INFO L226 Difference]: Without dead ends: 281 [2021-05-02 16:11:52,854 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 406 ImplicationChecksByTransitivity, 638.4ms TimeCoverageRelationStatistics Valid=1335, Invalid=2205, Unknown=0, NotChecked=0, Total=3540 [2021-05-02 16:11:52,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2021-05-02 16:11:52,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2021-05-02 16:11:52,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 215 states have (on average 1.1395348837209303) internal successors, (245), 215 states have internal predecessors, (245), 34 states have call successors, (34), 33 states have call predecessors, (34), 31 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2021-05-02 16:11:52,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 311 transitions. [2021-05-02 16:11:52,862 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 311 transitions. Word has length 275 [2021-05-02 16:11:52,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:52,863 INFO L480 AbstractCegarLoop]: Abstraction has 281 states and 311 transitions. [2021-05-02 16:11:52,863 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 6.5) internal successors, (208), 31 states have internal predecessors, (208), 31 states have call successors, (33), 31 states have call predecessors, (33), 29 states have return successors, (31), 29 states have call predecessors, (31), 30 states have call successors, (31) [2021-05-02 16:11:52,863 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 311 transitions. [2021-05-02 16:11:52,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-05-02 16:11:52,864 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:52,864 INFO L523 BasicCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 29, 29, 29, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:53,080 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:53,081 INFO L428 AbstractCegarLoop]: === Iteration 33 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:53,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:53,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1379905180, now seen corresponding path program 29 times [2021-05-02 16:11:53,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:53,081 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76538814] [2021-05-02 16:11:53,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:53,087 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:53,087 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [675575441] [2021-05-02 16:11:53,087 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:53,214 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 30 check-sat command(s) [2021-05-02 16:11:53,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:11:53,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 794 conjuncts, 63 conjunts are in the unsatisfiable core [2021-05-02 16:11:53,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:11:53,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:53,858 INFO L134 CoverageAnalysis]: Checked inductivity of 3774 backedges. 58 proven. 3712 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:11:53,858 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:53,858 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76538814] [2021-05-02 16:11:53,858 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:11:53,858 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675575441] [2021-05-02 16:11:53,858 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675575441] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:11:53,858 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:11:53,858 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2021-05-02 16:11:53,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101120317] [2021-05-02 16:11:53,859 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-05-02 16:11:53,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:53,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-05-02 16:11:53,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=498, Invalid=558, Unknown=0, NotChecked=0, Total=1056 [2021-05-02 16:11:53,859 INFO L87 Difference]: Start difference. First operand 281 states and 311 transitions. Second operand has 33 states, 33 states have (on average 6.515151515151516) internal successors, (215), 32 states have internal predecessors, (215), 32 states have call successors, (34), 32 states have call predecessors, (34), 30 states have return successors, (32), 30 states have call predecessors, (32), 31 states have call successors, (32) [2021-05-02 16:11:54,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:54,394 INFO L93 Difference]: Finished difference Result 295 states and 326 transitions. [2021-05-02 16:11:54,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-05-02 16:11:54,394 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 6.515151515151516) internal successors, (215), 32 states have internal predecessors, (215), 32 states have call successors, (34), 32 states have call predecessors, (34), 30 states have return successors, (32), 30 states have call predecessors, (32), 31 states have call successors, (32) Word has length 284 [2021-05-02 16:11:54,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:54,395 INFO L225 Difference]: With dead ends: 295 [2021-05-02 16:11:54,395 INFO L226 Difference]: Without dead ends: 290 [2021-05-02 16:11:54,396 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 682.8ms TimeCoverageRelationStatistics Valid=1426, Invalid=2356, Unknown=0, NotChecked=0, Total=3782 [2021-05-02 16:11:54,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-05-02 16:11:54,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2021-05-02 16:11:54,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 222 states have (on average 1.1396396396396395) internal successors, (253), 222 states have internal predecessors, (253), 35 states have call successors, (35), 34 states have call predecessors, (35), 32 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2021-05-02 16:11:54,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 321 transitions. [2021-05-02 16:11:54,403 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 321 transitions. Word has length 284 [2021-05-02 16:11:54,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:54,403 INFO L480 AbstractCegarLoop]: Abstraction has 290 states and 321 transitions. [2021-05-02 16:11:54,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 6.515151515151516) internal successors, (215), 32 states have internal predecessors, (215), 32 states have call successors, (34), 32 states have call predecessors, (34), 30 states have return successors, (32), 30 states have call predecessors, (32), 31 states have call successors, (32) [2021-05-02 16:11:54,403 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 321 transitions. [2021-05-02 16:11:54,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-05-02 16:11:54,404 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:54,405 INFO L523 BasicCegarLoop]: trace histogram [31, 31, 30, 30, 30, 30, 30, 30, 30, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:54,620 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-05-02 16:11:54,620 INFO L428 AbstractCegarLoop]: === Iteration 34 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:54,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:54,621 INFO L82 PathProgramCache]: Analyzing trace with hash 520028246, now seen corresponding path program 30 times [2021-05-02 16:11:54,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:54,621 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409094637] [2021-05-02 16:11:54,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:54,626 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:54,626 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1004039653] [2021-05-02 16:11:54,627 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:54,795 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 31 check-sat command(s) [2021-05-02 16:11:54,795 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:11:54,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 65 conjunts are in the unsatisfiable core [2021-05-02 16:11:54,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:11:54,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:54,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:55,486 INFO L134 CoverageAnalysis]: Checked inductivity of 4039 backedges. 60 proven. 3975 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:11:55,486 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:55,486 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409094637] [2021-05-02 16:11:55,486 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:11:55,486 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004039653] [2021-05-02 16:11:55,486 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004039653] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:11:55,486 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:11:55,487 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2021-05-02 16:11:55,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344417350] [2021-05-02 16:11:55,487 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-05-02 16:11:55,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:55,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-05-02 16:11:55,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=530, Invalid=592, Unknown=0, NotChecked=0, Total=1122 [2021-05-02 16:11:55,488 INFO L87 Difference]: Start difference. First operand 290 states and 321 transitions. Second operand has 34 states, 34 states have (on average 6.529411764705882) internal successors, (222), 33 states have internal predecessors, (222), 33 states have call successors, (35), 33 states have call predecessors, (35), 31 states have return successors, (33), 31 states have call predecessors, (33), 32 states have call successors, (33) [2021-05-02 16:11:56,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:56,035 INFO L93 Difference]: Finished difference Result 304 states and 336 transitions. [2021-05-02 16:11:56,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-05-02 16:11:56,036 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 6.529411764705882) internal successors, (222), 33 states have internal predecessors, (222), 33 states have call successors, (35), 33 states have call predecessors, (35), 31 states have return successors, (33), 31 states have call predecessors, (33), 32 states have call successors, (33) Word has length 293 [2021-05-02 16:11:56,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:56,037 INFO L225 Difference]: With dead ends: 304 [2021-05-02 16:11:56,037 INFO L226 Difference]: Without dead ends: 299 [2021-05-02 16:11:56,038 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 719.2ms TimeCoverageRelationStatistics Valid=1520, Invalid=2512, Unknown=0, NotChecked=0, Total=4032 [2021-05-02 16:11:56,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2021-05-02 16:11:56,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2021-05-02 16:11:56,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 229 states have (on average 1.1397379912663756) internal successors, (261), 229 states have internal predecessors, (261), 36 states have call successors, (36), 35 states have call predecessors, (36), 33 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2021-05-02 16:11:56,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 331 transitions. [2021-05-02 16:11:56,045 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 331 transitions. Word has length 293 [2021-05-02 16:11:56,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:56,045 INFO L480 AbstractCegarLoop]: Abstraction has 299 states and 331 transitions. [2021-05-02 16:11:56,045 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 6.529411764705882) internal successors, (222), 33 states have internal predecessors, (222), 33 states have call successors, (35), 33 states have call predecessors, (35), 31 states have return successors, (33), 31 states have call predecessors, (33), 32 states have call successors, (33) [2021-05-02 16:11:56,045 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 331 transitions. [2021-05-02 16:11:56,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-05-02 16:11:56,046 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:56,046 INFO L523 BasicCegarLoop]: trace histogram [32, 32, 31, 31, 31, 31, 31, 31, 31, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:56,262 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:56,262 INFO L428 AbstractCegarLoop]: === Iteration 35 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:56,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:56,263 INFO L82 PathProgramCache]: Analyzing trace with hash -213450788, now seen corresponding path program 31 times [2021-05-02 16:11:56,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:56,263 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150755795] [2021-05-02 16:11:56,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:56,269 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:56,269 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [984300502] [2021-05-02 16:11:56,269 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 16:11:56,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 67 conjunts are in the unsatisfiable core [2021-05-02 16:11:56,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:11:56,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:56,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:57,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:57,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:57,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:57,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:57,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:57,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:57,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:57,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:57,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:57,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:57,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:57,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4313 backedges. 62 proven. 4247 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:11:57,119 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:57,119 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150755795] [2021-05-02 16:11:57,119 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:11:57,120 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984300502] [2021-05-02 16:11:57,120 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984300502] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:11:57,120 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:11:57,120 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2021-05-02 16:11:57,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194413040] [2021-05-02 16:11:57,120 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-05-02 16:11:57,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:57,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-05-02 16:11:57,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=563, Invalid=627, Unknown=0, NotChecked=0, Total=1190 [2021-05-02 16:11:57,121 INFO L87 Difference]: Start difference. First operand 299 states and 331 transitions. Second operand has 35 states, 35 states have (on average 6.542857142857143) internal successors, (229), 34 states have internal predecessors, (229), 34 states have call successors, (36), 34 states have call predecessors, (36), 32 states have return successors, (34), 32 states have call predecessors, (34), 33 states have call successors, (34) [2021-05-02 16:11:57,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:57,721 INFO L93 Difference]: Finished difference Result 313 states and 346 transitions. [2021-05-02 16:11:57,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-05-02 16:11:57,721 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 6.542857142857143) internal successors, (229), 34 states have internal predecessors, (229), 34 states have call successors, (36), 34 states have call predecessors, (36), 32 states have return successors, (34), 32 states have call predecessors, (34), 33 states have call successors, (34) Word has length 302 [2021-05-02 16:11:57,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:57,723 INFO L225 Difference]: With dead ends: 313 [2021-05-02 16:11:57,723 INFO L226 Difference]: Without dead ends: 308 [2021-05-02 16:11:57,724 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 799.1ms TimeCoverageRelationStatistics Valid=1617, Invalid=2673, Unknown=0, NotChecked=0, Total=4290 [2021-05-02 16:11:57,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2021-05-02 16:11:57,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308. [2021-05-02 16:11:57,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 236 states have (on average 1.1398305084745763) internal successors, (269), 236 states have internal predecessors, (269), 37 states have call successors, (37), 36 states have call predecessors, (37), 34 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2021-05-02 16:11:57,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 341 transitions. [2021-05-02 16:11:57,732 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 341 transitions. Word has length 302 [2021-05-02 16:11:57,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:57,733 INFO L480 AbstractCegarLoop]: Abstraction has 308 states and 341 transitions. [2021-05-02 16:11:57,733 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 6.542857142857143) internal successors, (229), 34 states have internal predecessors, (229), 34 states have call successors, (36), 34 states have call predecessors, (36), 32 states have return successors, (34), 32 states have call predecessors, (34), 33 states have call successors, (34) [2021-05-02 16:11:57,733 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 341 transitions. [2021-05-02 16:11:57,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-05-02 16:11:57,734 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:57,734 INFO L523 BasicCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 32, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:57,950 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-05-02 16:11:57,950 INFO L428 AbstractCegarLoop]: === Iteration 36 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:57,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:57,950 INFO L82 PathProgramCache]: Analyzing trace with hash 83826454, now seen corresponding path program 32 times [2021-05-02 16:11:57,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:57,951 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295474073] [2021-05-02 16:11:57,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:57,962 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:57,962 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1280503834] [2021-05-02 16:11:57,962 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:58,072 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 16:11:58,072 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:11:58,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 863 conjuncts, 69 conjunts are in the unsatisfiable core [2021-05-02 16:11:58,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:11:58,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:11:58,846 INFO L134 CoverageAnalysis]: Checked inductivity of 4596 backedges. 64 proven. 4528 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:11:58,846 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:11:58,846 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295474073] [2021-05-02 16:11:58,846 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:11:58,846 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280503834] [2021-05-02 16:11:58,846 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280503834] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:11:58,846 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:11:58,846 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2021-05-02 16:11:58,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966315289] [2021-05-02 16:11:58,847 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-05-02 16:11:58,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:11:58,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-05-02 16:11:58,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=597, Invalid=663, Unknown=0, NotChecked=0, Total=1260 [2021-05-02 16:11:58,851 INFO L87 Difference]: Start difference. First operand 308 states and 341 transitions. Second operand has 36 states, 36 states have (on average 6.555555555555555) internal successors, (236), 35 states have internal predecessors, (236), 35 states have call successors, (37), 35 states have call predecessors, (37), 33 states have return successors, (35), 33 states have call predecessors, (35), 34 states have call successors, (35) [2021-05-02 16:11:59,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:11:59,698 INFO L93 Difference]: Finished difference Result 322 states and 356 transitions. [2021-05-02 16:11:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-05-02 16:11:59,699 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 6.555555555555555) internal successors, (236), 35 states have internal predecessors, (236), 35 states have call successors, (37), 35 states have call predecessors, (37), 33 states have return successors, (35), 33 states have call predecessors, (35), 34 states have call successors, (35) Word has length 311 [2021-05-02 16:11:59,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:11:59,700 INFO L225 Difference]: With dead ends: 322 [2021-05-02 16:11:59,700 INFO L226 Difference]: Without dead ends: 317 [2021-05-02 16:11:59,700 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 528 ImplicationChecksByTransitivity, 986.1ms TimeCoverageRelationStatistics Valid=1717, Invalid=2839, Unknown=0, NotChecked=0, Total=4556 [2021-05-02 16:11:59,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2021-05-02 16:11:59,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2021-05-02 16:11:59,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 243 states have (on average 1.139917695473251) internal successors, (277), 243 states have internal predecessors, (277), 38 states have call successors, (38), 37 states have call predecessors, (38), 35 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2021-05-02 16:11:59,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 351 transitions. [2021-05-02 16:11:59,707 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 351 transitions. Word has length 311 [2021-05-02 16:11:59,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:11:59,707 INFO L480 AbstractCegarLoop]: Abstraction has 317 states and 351 transitions. [2021-05-02 16:11:59,708 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 6.555555555555555) internal successors, (236), 35 states have internal predecessors, (236), 35 states have call successors, (37), 35 states have call predecessors, (37), 33 states have return successors, (35), 33 states have call predecessors, (35), 34 states have call successors, (35) [2021-05-02 16:11:59,708 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 351 transitions. [2021-05-02 16:11:59,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-05-02 16:11:59,709 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:11:59,709 INFO L523 BasicCegarLoop]: trace histogram [34, 34, 33, 33, 33, 33, 33, 33, 33, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:11:59,909 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:11:59,909 INFO L428 AbstractCegarLoop]: === Iteration 37 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:11:59,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:11:59,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1410629916, now seen corresponding path program 33 times [2021-05-02 16:11:59,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:11:59,910 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615018460] [2021-05-02 16:11:59,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:11:59,915 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:11:59,915 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [877632238] [2021-05-02 16:11:59,915 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:12:00,112 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 34 check-sat command(s) [2021-05-02 16:12:00,112 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:12:00,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 71 conjunts are in the unsatisfiable core [2021-05-02 16:12:00,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:12:00,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:00,898 INFO L134 CoverageAnalysis]: Checked inductivity of 4888 backedges. 66 proven. 4818 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:12:00,898 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:12:00,898 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615018460] [2021-05-02 16:12:00,898 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:12:00,898 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877632238] [2021-05-02 16:12:00,898 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [877632238] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:12:00,898 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:12:00,898 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2021-05-02 16:12:00,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522932364] [2021-05-02 16:12:00,899 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-05-02 16:12:00,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:12:00,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-05-02 16:12:00,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=632, Invalid=700, Unknown=0, NotChecked=0, Total=1332 [2021-05-02 16:12:00,899 INFO L87 Difference]: Start difference. First operand 317 states and 351 transitions. Second operand has 37 states, 37 states have (on average 6.5675675675675675) internal successors, (243), 36 states have internal predecessors, (243), 36 states have call successors, (38), 36 states have call predecessors, (38), 34 states have return successors, (36), 34 states have call predecessors, (36), 35 states have call successors, (36) [2021-05-02 16:12:01,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:12:01,567 INFO L93 Difference]: Finished difference Result 331 states and 366 transitions. [2021-05-02 16:12:01,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-05-02 16:12:01,567 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 6.5675675675675675) internal successors, (243), 36 states have internal predecessors, (243), 36 states have call successors, (38), 36 states have call predecessors, (38), 34 states have return successors, (36), 34 states have call predecessors, (36), 35 states have call successors, (36) Word has length 320 [2021-05-02 16:12:01,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:12:01,568 INFO L225 Difference]: With dead ends: 331 [2021-05-02 16:12:01,568 INFO L226 Difference]: Without dead ends: 326 [2021-05-02 16:12:01,569 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 561 ImplicationChecksByTransitivity, 896.2ms TimeCoverageRelationStatistics Valid=1820, Invalid=3010, Unknown=0, NotChecked=0, Total=4830 [2021-05-02 16:12:01,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2021-05-02 16:12:01,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 326. [2021-05-02 16:12:01,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 250 states have (on average 1.14) internal successors, (285), 250 states have internal predecessors, (285), 39 states have call successors, (39), 38 states have call predecessors, (39), 36 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2021-05-02 16:12:01,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 361 transitions. [2021-05-02 16:12:01,576 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 361 transitions. Word has length 320 [2021-05-02 16:12:01,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:12:01,576 INFO L480 AbstractCegarLoop]: Abstraction has 326 states and 361 transitions. [2021-05-02 16:12:01,576 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 6.5675675675675675) internal successors, (243), 36 states have internal predecessors, (243), 36 states have call successors, (38), 36 states have call predecessors, (38), 34 states have return successors, (36), 34 states have call predecessors, (36), 35 states have call successors, (36) [2021-05-02 16:12:01,576 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 361 transitions. [2021-05-02 16:12:01,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-05-02 16:12:01,577 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:12:01,578 INFO L523 BasicCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 34, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:12:01,794 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-05-02 16:12:01,794 INFO L428 AbstractCegarLoop]: === Iteration 38 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:12:01,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:12:01,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1328479702, now seen corresponding path program 34 times [2021-05-02 16:12:01,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:12:01,794 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084562599] [2021-05-02 16:12:01,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:12:01,799 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:12:01,799 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1650668240] [2021-05-02 16:12:01,799 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:12:01,940 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 16:12:01,940 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:12:01,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 73 conjunts are in the unsatisfiable core [2021-05-02 16:12:01,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:12:01,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:01,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:01,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:01,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:01,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:01,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:01,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:01,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:01,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:01,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:01,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:01,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:02,771 INFO L134 CoverageAnalysis]: Checked inductivity of 5189 backedges. 68 proven. 5117 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:12:02,771 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:12:02,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084562599] [2021-05-02 16:12:02,771 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:12:02,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650668240] [2021-05-02 16:12:02,771 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1650668240] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:12:02,771 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:12:02,771 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2021-05-02 16:12:02,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067992299] [2021-05-02 16:12:02,772 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-05-02 16:12:02,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:12:02,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-05-02 16:12:02,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=668, Invalid=738, Unknown=0, NotChecked=0, Total=1406 [2021-05-02 16:12:02,773 INFO L87 Difference]: Start difference. First operand 326 states and 361 transitions. Second operand has 38 states, 38 states have (on average 6.578947368421052) internal successors, (250), 37 states have internal predecessors, (250), 37 states have call successors, (39), 37 states have call predecessors, (39), 35 states have return successors, (37), 35 states have call predecessors, (37), 36 states have call successors, (37) [2021-05-02 16:12:03,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:12:03,512 INFO L93 Difference]: Finished difference Result 340 states and 376 transitions. [2021-05-02 16:12:03,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-05-02 16:12:03,512 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 6.578947368421052) internal successors, (250), 37 states have internal predecessors, (250), 37 states have call successors, (39), 37 states have call predecessors, (39), 35 states have return successors, (37), 35 states have call predecessors, (37), 36 states have call successors, (37) Word has length 329 [2021-05-02 16:12:03,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:12:03,513 INFO L225 Difference]: With dead ends: 340 [2021-05-02 16:12:03,513 INFO L226 Difference]: Without dead ends: 335 [2021-05-02 16:12:03,514 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 595 ImplicationChecksByTransitivity, 943.5ms TimeCoverageRelationStatistics Valid=1926, Invalid=3186, Unknown=0, NotChecked=0, Total=5112 [2021-05-02 16:12:03,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2021-05-02 16:12:03,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2021-05-02 16:12:03,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 257 states have (on average 1.140077821011673) internal successors, (293), 257 states have internal predecessors, (293), 40 states have call successors, (40), 39 states have call predecessors, (40), 37 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2021-05-02 16:12:03,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 371 transitions. [2021-05-02 16:12:03,537 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 371 transitions. Word has length 329 [2021-05-02 16:12:03,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:12:03,537 INFO L480 AbstractCegarLoop]: Abstraction has 335 states and 371 transitions. [2021-05-02 16:12:03,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 6.578947368421052) internal successors, (250), 37 states have internal predecessors, (250), 37 states have call successors, (39), 37 states have call predecessors, (39), 35 states have return successors, (37), 35 states have call predecessors, (37), 36 states have call successors, (37) [2021-05-02 16:12:03,537 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 371 transitions. [2021-05-02 16:12:03,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-05-02 16:12:03,538 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:12:03,539 INFO L523 BasicCegarLoop]: trace histogram [36, 36, 35, 35, 35, 35, 35, 35, 35, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:12:03,754 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-05-02 16:12:03,754 INFO L428 AbstractCegarLoop]: === Iteration 39 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:12:03,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:12:03,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1098658396, now seen corresponding path program 35 times [2021-05-02 16:12:03,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:12:03,755 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753735067] [2021-05-02 16:12:03,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:12:03,760 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:12:03,760 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [257037442] [2021-05-02 16:12:03,760 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:12:03,911 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 36 check-sat command(s) [2021-05-02 16:12:03,911 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:12:03,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 932 conjuncts, 75 conjunts are in the unsatisfiable core [2021-05-02 16:12:03,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:12:03,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:03,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:03,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:03,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:03,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:03,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:03,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:03,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:03,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:03,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:03,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:03,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:03,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:03,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:03,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:04,796 INFO L134 CoverageAnalysis]: Checked inductivity of 5499 backedges. 70 proven. 5425 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:12:04,796 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:12:04,796 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753735067] [2021-05-02 16:12:04,796 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:12:04,797 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257037442] [2021-05-02 16:12:04,797 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [257037442] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:12:04,797 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:12:04,797 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2021-05-02 16:12:04,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846231716] [2021-05-02 16:12:04,797 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-05-02 16:12:04,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:12:04,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-05-02 16:12:04,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=705, Invalid=777, Unknown=0, NotChecked=0, Total=1482 [2021-05-02 16:12:04,798 INFO L87 Difference]: Start difference. First operand 335 states and 371 transitions. Second operand has 39 states, 39 states have (on average 6.589743589743589) internal successors, (257), 38 states have internal predecessors, (257), 38 states have call successors, (40), 38 states have call predecessors, (40), 36 states have return successors, (38), 36 states have call predecessors, (38), 37 states have call successors, (38) [2021-05-02 16:12:05,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:12:05,510 INFO L93 Difference]: Finished difference Result 349 states and 386 transitions. [2021-05-02 16:12:05,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-05-02 16:12:05,510 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 6.589743589743589) internal successors, (257), 38 states have internal predecessors, (257), 38 states have call successors, (40), 38 states have call predecessors, (40), 36 states have return successors, (38), 36 states have call predecessors, (38), 37 states have call successors, (38) Word has length 338 [2021-05-02 16:12:05,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:12:05,511 INFO L225 Difference]: With dead ends: 349 [2021-05-02 16:12:05,511 INFO L226 Difference]: Without dead ends: 344 [2021-05-02 16:12:05,512 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 630 ImplicationChecksByTransitivity, 958.3ms TimeCoverageRelationStatistics Valid=2035, Invalid=3367, Unknown=0, NotChecked=0, Total=5402 [2021-05-02 16:12:05,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2021-05-02 16:12:05,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2021-05-02 16:12:05,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 264 states have (on average 1.1401515151515151) internal successors, (301), 264 states have internal predecessors, (301), 41 states have call successors, (41), 40 states have call predecessors, (41), 38 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2021-05-02 16:12:05,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 381 transitions. [2021-05-02 16:12:05,519 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 381 transitions. Word has length 338 [2021-05-02 16:12:05,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:12:05,519 INFO L480 AbstractCegarLoop]: Abstraction has 344 states and 381 transitions. [2021-05-02 16:12:05,520 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 6.589743589743589) internal successors, (257), 38 states have internal predecessors, (257), 38 states have call successors, (40), 38 states have call predecessors, (40), 36 states have return successors, (38), 36 states have call predecessors, (38), 37 states have call successors, (38) [2021-05-02 16:12:05,520 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 381 transitions. [2021-05-02 16:12:05,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-05-02 16:12:05,521 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:12:05,521 INFO L523 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 36, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:12:05,738 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-05-02 16:12:05,738 INFO L428 AbstractCegarLoop]: === Iteration 40 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:12:05,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:12:05,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1597682838, now seen corresponding path program 36 times [2021-05-02 16:12:05,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:12:05,738 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008204252] [2021-05-02 16:12:05,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:12:05,746 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:12:05,746 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1893439593] [2021-05-02 16:12:05,746 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:12:05,968 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 37 check-sat command(s) [2021-05-02 16:12:05,968 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:12:05,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 955 conjuncts, 77 conjunts are in the unsatisfiable core [2021-05-02 16:12:05,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:12:05,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:05,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:05,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:05,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:05,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:05,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:06,893 INFO L134 CoverageAnalysis]: Checked inductivity of 5818 backedges. 72 proven. 5742 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:12:06,893 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:12:06,893 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008204252] [2021-05-02 16:12:06,893 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:12:06,893 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1893439593] [2021-05-02 16:12:06,893 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1893439593] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:12:06,893 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:12:06,893 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2021-05-02 16:12:06,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999144403] [2021-05-02 16:12:06,894 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-05-02 16:12:06,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:12:06,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-05-02 16:12:06,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=743, Invalid=817, Unknown=0, NotChecked=0, Total=1560 [2021-05-02 16:12:06,895 INFO L87 Difference]: Start difference. First operand 344 states and 381 transitions. Second operand has 40 states, 40 states have (on average 6.6) internal successors, (264), 39 states have internal predecessors, (264), 39 states have call successors, (41), 39 states have call predecessors, (41), 37 states have return successors, (39), 37 states have call predecessors, (39), 38 states have call successors, (39) [2021-05-02 16:12:07,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:12:07,611 INFO L93 Difference]: Finished difference Result 358 states and 396 transitions. [2021-05-02 16:12:07,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-05-02 16:12:07,611 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 6.6) internal successors, (264), 39 states have internal predecessors, (264), 39 states have call successors, (41), 39 states have call predecessors, (41), 37 states have return successors, (39), 37 states have call predecessors, (39), 38 states have call successors, (39) Word has length 347 [2021-05-02 16:12:07,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:12:07,612 INFO L225 Difference]: With dead ends: 358 [2021-05-02 16:12:07,612 INFO L226 Difference]: Without dead ends: 353 [2021-05-02 16:12:07,613 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 666 ImplicationChecksByTransitivity, 1017.6ms TimeCoverageRelationStatistics Valid=2147, Invalid=3553, Unknown=0, NotChecked=0, Total=5700 [2021-05-02 16:12:07,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2021-05-02 16:12:07,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2021-05-02 16:12:07,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 271 states have (on average 1.1402214022140222) internal successors, (309), 271 states have internal predecessors, (309), 42 states have call successors, (42), 41 states have call predecessors, (42), 39 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2021-05-02 16:12:07,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 391 transitions. [2021-05-02 16:12:07,647 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 391 transitions. Word has length 347 [2021-05-02 16:12:07,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:12:07,647 INFO L480 AbstractCegarLoop]: Abstraction has 353 states and 391 transitions. [2021-05-02 16:12:07,647 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 6.6) internal successors, (264), 39 states have internal predecessors, (264), 39 states have call successors, (41), 39 states have call predecessors, (41), 37 states have return successors, (39), 37 states have call predecessors, (39), 38 states have call successors, (39) [2021-05-02 16:12:07,647 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 391 transitions. [2021-05-02 16:12:07,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-05-02 16:12:07,648 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:12:07,648 INFO L523 BasicCegarLoop]: trace histogram [38, 38, 37, 37, 37, 37, 37, 37, 37, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:12:07,849 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-05-02 16:12:07,849 INFO L428 AbstractCegarLoop]: === Iteration 41 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:12:07,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:12:07,849 INFO L82 PathProgramCache]: Analyzing trace with hash 2068976540, now seen corresponding path program 37 times [2021-05-02 16:12:07,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:12:07,850 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121034763] [2021-05-02 16:12:07,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:12:07,854 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:12:07,854 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1135338926] [2021-05-02 16:12:07,854 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:12:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 16:12:07,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 79 conjunts are in the unsatisfiable core [2021-05-02 16:12:08,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:12:08,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:08,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:09,003 INFO L134 CoverageAnalysis]: Checked inductivity of 6146 backedges. 74 proven. 6068 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:12:09,004 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:12:09,004 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121034763] [2021-05-02 16:12:09,004 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:12:09,004 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135338926] [2021-05-02 16:12:09,004 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1135338926] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:12:09,004 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:12:09,004 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2021-05-02 16:12:09,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215966289] [2021-05-02 16:12:09,004 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-05-02 16:12:09,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:12:09,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-05-02 16:12:09,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=782, Invalid=858, Unknown=0, NotChecked=0, Total=1640 [2021-05-02 16:12:09,005 INFO L87 Difference]: Start difference. First operand 353 states and 391 transitions. Second operand has 41 states, 41 states have (on average 6.609756097560975) internal successors, (271), 40 states have internal predecessors, (271), 40 states have call successors, (42), 40 states have call predecessors, (42), 38 states have return successors, (40), 38 states have call predecessors, (40), 39 states have call successors, (40) [2021-05-02 16:12:09,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:12:09,861 INFO L93 Difference]: Finished difference Result 367 states and 406 transitions. [2021-05-02 16:12:09,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-05-02 16:12:09,862 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 41 states have (on average 6.609756097560975) internal successors, (271), 40 states have internal predecessors, (271), 40 states have call successors, (42), 40 states have call predecessors, (42), 38 states have return successors, (40), 38 states have call predecessors, (40), 39 states have call successors, (40) Word has length 356 [2021-05-02 16:12:09,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:12:09,863 INFO L225 Difference]: With dead ends: 367 [2021-05-02 16:12:09,863 INFO L226 Difference]: Without dead ends: 362 [2021-05-02 16:12:09,863 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 703 ImplicationChecksByTransitivity, 1149.0ms TimeCoverageRelationStatistics Valid=2262, Invalid=3744, Unknown=0, NotChecked=0, Total=6006 [2021-05-02 16:12:09,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2021-05-02 16:12:09,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2021-05-02 16:12:09,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 278 states have (on average 1.1402877697841727) internal successors, (317), 278 states have internal predecessors, (317), 43 states have call successors, (43), 42 states have call predecessors, (43), 40 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2021-05-02 16:12:09,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 401 transitions. [2021-05-02 16:12:09,871 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 401 transitions. Word has length 356 [2021-05-02 16:12:09,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:12:09,871 INFO L480 AbstractCegarLoop]: Abstraction has 362 states and 401 transitions. [2021-05-02 16:12:09,871 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 6.609756097560975) internal successors, (271), 40 states have internal predecessors, (271), 40 states have call successors, (42), 40 states have call predecessors, (42), 38 states have return successors, (40), 38 states have call predecessors, (40), 39 states have call successors, (40) [2021-05-02 16:12:09,871 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 401 transitions. [2021-05-02 16:12:09,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2021-05-02 16:12:09,873 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:12:09,873 INFO L523 BasicCegarLoop]: trace histogram [39, 39, 38, 38, 38, 38, 38, 38, 38, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:12:10,088 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:12:10,089 INFO L428 AbstractCegarLoop]: === Iteration 42 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:12:10,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:12:10,089 INFO L82 PathProgramCache]: Analyzing trace with hash 63847254, now seen corresponding path program 38 times [2021-05-02 16:12:10,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:12:10,089 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166856804] [2021-05-02 16:12:10,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:12:10,094 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:12:10,094 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [66819278] [2021-05-02 16:12:10,094 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:12:10,213 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 16:12:10,213 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:12:10,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 1001 conjuncts, 81 conjunts are in the unsatisfiable core [2021-05-02 16:12:10,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:12:10,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:10,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:11,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:11,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:11,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:11,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:11,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:11,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:11,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:11,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:11,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:11,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:11,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:11,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:11,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:11,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:11,174 INFO L134 CoverageAnalysis]: Checked inductivity of 6483 backedges. 76 proven. 6403 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:12:11,175 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:12:11,175 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166856804] [2021-05-02 16:12:11,175 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:12:11,175 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66819278] [2021-05-02 16:12:11,175 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [66819278] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:12:11,175 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:12:11,175 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2021-05-02 16:12:11,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275934923] [2021-05-02 16:12:11,176 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-05-02 16:12:11,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:12:11,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-05-02 16:12:11,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=822, Invalid=900, Unknown=0, NotChecked=0, Total=1722 [2021-05-02 16:12:11,176 INFO L87 Difference]: Start difference. First operand 362 states and 401 transitions. Second operand has 42 states, 42 states have (on average 6.619047619047619) internal successors, (278), 41 states have internal predecessors, (278), 41 states have call successors, (43), 41 states have call predecessors, (43), 39 states have return successors, (41), 39 states have call predecessors, (41), 40 states have call successors, (41) [2021-05-02 16:12:12,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:12:12,064 INFO L93 Difference]: Finished difference Result 376 states and 416 transitions. [2021-05-02 16:12:12,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-05-02 16:12:12,065 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 6.619047619047619) internal successors, (278), 41 states have internal predecessors, (278), 41 states have call successors, (43), 41 states have call predecessors, (43), 39 states have return successors, (41), 39 states have call predecessors, (41), 40 states have call successors, (41) Word has length 365 [2021-05-02 16:12:12,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:12:12,066 INFO L225 Difference]: With dead ends: 376 [2021-05-02 16:12:12,066 INFO L226 Difference]: Without dead ends: 371 [2021-05-02 16:12:12,067 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 741 ImplicationChecksByTransitivity, 1190.8ms TimeCoverageRelationStatistics Valid=2380, Invalid=3940, Unknown=0, NotChecked=0, Total=6320 [2021-05-02 16:12:12,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2021-05-02 16:12:12,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2021-05-02 16:12:12,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 285 states have (on average 1.1403508771929824) internal successors, (325), 285 states have internal predecessors, (325), 44 states have call successors, (44), 43 states have call predecessors, (44), 41 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2021-05-02 16:12:12,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 411 transitions. [2021-05-02 16:12:12,075 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 411 transitions. Word has length 365 [2021-05-02 16:12:12,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:12:12,075 INFO L480 AbstractCegarLoop]: Abstraction has 371 states and 411 transitions. [2021-05-02 16:12:12,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 6.619047619047619) internal successors, (278), 41 states have internal predecessors, (278), 41 states have call successors, (43), 41 states have call predecessors, (43), 39 states have return successors, (41), 39 states have call predecessors, (41), 40 states have call successors, (41) [2021-05-02 16:12:12,075 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 411 transitions. [2021-05-02 16:12:12,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2021-05-02 16:12:12,077 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:12:12,077 INFO L523 BasicCegarLoop]: trace histogram [40, 40, 39, 39, 39, 39, 39, 39, 39, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:12:12,293 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2021-05-02 16:12:12,293 INFO L428 AbstractCegarLoop]: === Iteration 43 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:12:12,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:12:12,293 INFO L82 PathProgramCache]: Analyzing trace with hash -194370340, now seen corresponding path program 39 times [2021-05-02 16:12:12,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:12:12,293 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944298007] [2021-05-02 16:12:12,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:12:12,298 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:12:12,299 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [308199614] [2021-05-02 16:12:12,299 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:12:12,566 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 40 check-sat command(s) [2021-05-02 16:12:12,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:12:12,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 1024 conjuncts, 83 conjunts are in the unsatisfiable core [2021-05-02 16:12:12,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:12:12,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:12,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:13,553 INFO L134 CoverageAnalysis]: Checked inductivity of 6829 backedges. 78 proven. 6747 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:12:13,553 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:12:13,553 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944298007] [2021-05-02 16:12:13,553 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:12:13,553 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308199614] [2021-05-02 16:12:13,554 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308199614] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:12:13,554 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:12:13,554 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2021-05-02 16:12:13,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796896682] [2021-05-02 16:12:13,554 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-05-02 16:12:13,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:12:13,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-05-02 16:12:13,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=863, Invalid=943, Unknown=0, NotChecked=0, Total=1806 [2021-05-02 16:12:13,555 INFO L87 Difference]: Start difference. First operand 371 states and 411 transitions. Second operand has 43 states, 43 states have (on average 6.627906976744186) internal successors, (285), 42 states have internal predecessors, (285), 42 states have call successors, (44), 42 states have call predecessors, (44), 40 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2021-05-02 16:12:14,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:12:14,489 INFO L93 Difference]: Finished difference Result 385 states and 426 transitions. [2021-05-02 16:12:14,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-05-02 16:12:14,490 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 43 states have (on average 6.627906976744186) internal successors, (285), 42 states have internal predecessors, (285), 42 states have call successors, (44), 42 states have call predecessors, (44), 40 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) Word has length 374 [2021-05-02 16:12:14,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:12:14,491 INFO L225 Difference]: With dead ends: 385 [2021-05-02 16:12:14,491 INFO L226 Difference]: Without dead ends: 380 [2021-05-02 16:12:14,492 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 780 ImplicationChecksByTransitivity, 1251.1ms TimeCoverageRelationStatistics Valid=2501, Invalid=4141, Unknown=0, NotChecked=0, Total=6642 [2021-05-02 16:12:14,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2021-05-02 16:12:14,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2021-05-02 16:12:14,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 292 states have (on average 1.1404109589041096) internal successors, (333), 292 states have internal predecessors, (333), 45 states have call successors, (45), 44 states have call predecessors, (45), 42 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2021-05-02 16:12:14,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 421 transitions. [2021-05-02 16:12:14,500 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 421 transitions. Word has length 374 [2021-05-02 16:12:14,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:12:14,500 INFO L480 AbstractCegarLoop]: Abstraction has 380 states and 421 transitions. [2021-05-02 16:12:14,500 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 6.627906976744186) internal successors, (285), 42 states have internal predecessors, (285), 42 states have call successors, (44), 42 states have call predecessors, (44), 40 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2021-05-02 16:12:14,500 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 421 transitions. [2021-05-02 16:12:14,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2021-05-02 16:12:14,502 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:12:14,502 INFO L523 BasicCegarLoop]: trace histogram [41, 41, 40, 40, 40, 40, 40, 40, 40, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:12:14,708 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:12:14,709 INFO L428 AbstractCegarLoop]: === Iteration 44 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:12:14,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:12:14,709 INFO L82 PathProgramCache]: Analyzing trace with hash 949326358, now seen corresponding path program 40 times [2021-05-02 16:12:14,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:12:14,709 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932672643] [2021-05-02 16:12:14,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:12:14,714 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:12:14,715 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [98787643] [2021-05-02 16:12:14,715 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:12:14,841 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 16:12:14,841 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:12:14,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 1047 conjuncts, 85 conjunts are in the unsatisfiable core [2021-05-02 16:12:14,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:12:14,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:14,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:14,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:14,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:14,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:14,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:14,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:14,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:14,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:14,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:14,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:14,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:14,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:14,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:14,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:14,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:14,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:14,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:14,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:14,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:14,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:14,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:14,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:14,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:14,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:14,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:14,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:14,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:14,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:14,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:15,881 INFO L134 CoverageAnalysis]: Checked inductivity of 7184 backedges. 80 proven. 7100 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:12:15,881 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:12:15,881 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932672643] [2021-05-02 16:12:15,882 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:12:15,882 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98787643] [2021-05-02 16:12:15,882 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98787643] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:12:15,882 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:12:15,882 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2021-05-02 16:12:15,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146589393] [2021-05-02 16:12:15,882 INFO L460 AbstractCegarLoop]: Interpolant automaton has 44 states [2021-05-02 16:12:15,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:12:15,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-05-02 16:12:15,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=905, Invalid=987, Unknown=0, NotChecked=0, Total=1892 [2021-05-02 16:12:15,883 INFO L87 Difference]: Start difference. First operand 380 states and 421 transitions. Second operand has 44 states, 44 states have (on average 6.636363636363637) internal successors, (292), 43 states have internal predecessors, (292), 43 states have call successors, (45), 43 states have call predecessors, (45), 41 states have return successors, (43), 41 states have call predecessors, (43), 42 states have call successors, (43) [2021-05-02 16:12:16,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:12:16,747 INFO L93 Difference]: Finished difference Result 394 states and 436 transitions. [2021-05-02 16:12:16,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-05-02 16:12:16,747 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 44 states have (on average 6.636363636363637) internal successors, (292), 43 states have internal predecessors, (292), 43 states have call successors, (45), 43 states have call predecessors, (45), 41 states have return successors, (43), 41 states have call predecessors, (43), 42 states have call successors, (43) Word has length 383 [2021-05-02 16:12:16,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:12:16,748 INFO L225 Difference]: With dead ends: 394 [2021-05-02 16:12:16,748 INFO L226 Difference]: Without dead ends: 389 [2021-05-02 16:12:16,749 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 820 ImplicationChecksByTransitivity, 1221.8ms TimeCoverageRelationStatistics Valid=2625, Invalid=4347, Unknown=0, NotChecked=0, Total=6972 [2021-05-02 16:12:16,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2021-05-02 16:12:16,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2021-05-02 16:12:16,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 299 states have (on average 1.140468227424749) internal successors, (341), 299 states have internal predecessors, (341), 46 states have call successors, (46), 45 states have call predecessors, (46), 43 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2021-05-02 16:12:16,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 431 transitions. [2021-05-02 16:12:16,779 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 431 transitions. Word has length 383 [2021-05-02 16:12:16,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:12:16,779 INFO L480 AbstractCegarLoop]: Abstraction has 389 states and 431 transitions. [2021-05-02 16:12:16,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 44 states, 44 states have (on average 6.636363636363637) internal successors, (292), 43 states have internal predecessors, (292), 43 states have call successors, (45), 43 states have call predecessors, (45), 41 states have return successors, (43), 41 states have call predecessors, (43), 42 states have call successors, (43) [2021-05-02 16:12:16,779 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 431 transitions. [2021-05-02 16:12:16,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2021-05-02 16:12:16,781 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:12:16,781 INFO L523 BasicCegarLoop]: trace histogram [42, 42, 41, 41, 41, 41, 41, 41, 41, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:12:16,996 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:12:16,997 INFO L428 AbstractCegarLoop]: === Iteration 45 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:12:16,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:12:16,997 INFO L82 PathProgramCache]: Analyzing trace with hash 311977500, now seen corresponding path program 41 times [2021-05-02 16:12:16,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:12:16,997 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51710749] [2021-05-02 16:12:16,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:12:17,002 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:12:17,002 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1932670392] [2021-05-02 16:12:17,002 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:12:17,180 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 42 check-sat command(s) [2021-05-02 16:12:17,180 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:12:17,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 1070 conjuncts, 87 conjunts are in the unsatisfiable core [2021-05-02 16:12:17,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:12:17,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:17,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:18,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:18,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:18,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:18,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:18,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:18,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:18,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:18,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:18,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:18,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:18,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:18,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:18,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:18,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:18,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:18,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:18,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:18,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:18,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:18,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:18,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:18,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:18,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:18,270 INFO L134 CoverageAnalysis]: Checked inductivity of 7548 backedges. 82 proven. 7462 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:12:18,271 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:12:18,271 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51710749] [2021-05-02 16:12:18,271 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:12:18,271 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932670392] [2021-05-02 16:12:18,271 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932670392] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:12:18,271 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:12:18,271 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2021-05-02 16:12:18,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173582059] [2021-05-02 16:12:18,271 INFO L460 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-05-02 16:12:18,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:12:18,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-05-02 16:12:18,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=948, Invalid=1032, Unknown=0, NotChecked=0, Total=1980 [2021-05-02 16:12:18,272 INFO L87 Difference]: Start difference. First operand 389 states and 431 transitions. Second operand has 45 states, 45 states have (on average 6.644444444444445) internal successors, (299), 44 states have internal predecessors, (299), 44 states have call successors, (46), 44 states have call predecessors, (46), 42 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2021-05-02 16:12:19,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:12:19,304 INFO L93 Difference]: Finished difference Result 403 states and 446 transitions. [2021-05-02 16:12:19,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-05-02 16:12:19,305 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 6.644444444444445) internal successors, (299), 44 states have internal predecessors, (299), 44 states have call successors, (46), 44 states have call predecessors, (46), 42 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) Word has length 392 [2021-05-02 16:12:19,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:12:19,306 INFO L225 Difference]: With dead ends: 403 [2021-05-02 16:12:19,306 INFO L226 Difference]: Without dead ends: 398 [2021-05-02 16:12:19,307 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 348 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 861 ImplicationChecksByTransitivity, 1393.7ms TimeCoverageRelationStatistics Valid=2752, Invalid=4558, Unknown=0, NotChecked=0, Total=7310 [2021-05-02 16:12:19,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2021-05-02 16:12:19,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2021-05-02 16:12:19,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 306 states have (on average 1.1405228758169934) internal successors, (349), 306 states have internal predecessors, (349), 47 states have call successors, (47), 46 states have call predecessors, (47), 44 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2021-05-02 16:12:19,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 441 transitions. [2021-05-02 16:12:19,315 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 441 transitions. Word has length 392 [2021-05-02 16:12:19,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:12:19,315 INFO L480 AbstractCegarLoop]: Abstraction has 398 states and 441 transitions. [2021-05-02 16:12:19,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 45 states, 45 states have (on average 6.644444444444445) internal successors, (299), 44 states have internal predecessors, (299), 44 states have call successors, (46), 44 states have call predecessors, (46), 42 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2021-05-02 16:12:19,316 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 441 transitions. [2021-05-02 16:12:19,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2021-05-02 16:12:19,317 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:12:19,317 INFO L523 BasicCegarLoop]: trace histogram [43, 43, 42, 42, 42, 42, 42, 42, 42, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:12:19,533 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2021-05-02 16:12:19,533 INFO L428 AbstractCegarLoop]: === Iteration 46 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:12:19,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:12:19,534 INFO L82 PathProgramCache]: Analyzing trace with hash -432228138, now seen corresponding path program 42 times [2021-05-02 16:12:19,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:12:19,534 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006574505] [2021-05-02 16:12:19,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:12:19,539 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:12:19,539 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [416412473] [2021-05-02 16:12:19,539 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:12:19,859 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 43 check-sat command(s) [2021-05-02 16:12:19,859 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:12:19,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 1093 conjuncts, 89 conjunts are in the unsatisfiable core [2021-05-02 16:12:19,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:12:19,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:19,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:19,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:19,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:19,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:19,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:19,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:19,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:19,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:19,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:19,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:19,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:19,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:19,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:19,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:19,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:19,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:19,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:19,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:19,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:19,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:19,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:19,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:19,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:19,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:19,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:19,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:19,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:19,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:20,977 INFO L134 CoverageAnalysis]: Checked inductivity of 7921 backedges. 84 proven. 7833 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:12:20,977 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:12:20,977 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006574505] [2021-05-02 16:12:20,977 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:12:20,977 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416412473] [2021-05-02 16:12:20,977 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416412473] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:12:20,977 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:12:20,977 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2021-05-02 16:12:20,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639961733] [2021-05-02 16:12:20,978 INFO L460 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-05-02 16:12:20,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:12:20,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-05-02 16:12:20,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=992, Invalid=1078, Unknown=0, NotChecked=0, Total=2070 [2021-05-02 16:12:20,979 INFO L87 Difference]: Start difference. First operand 398 states and 441 transitions. Second operand has 46 states, 46 states have (on average 6.6521739130434785) internal successors, (306), 45 states have internal predecessors, (306), 45 states have call successors, (47), 45 states have call predecessors, (47), 43 states have return successors, (45), 43 states have call predecessors, (45), 44 states have call successors, (45) [2021-05-02 16:12:22,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:12:22,121 INFO L93 Difference]: Finished difference Result 412 states and 456 transitions. [2021-05-02 16:12:22,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-05-02 16:12:22,122 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 6.6521739130434785) internal successors, (306), 45 states have internal predecessors, (306), 45 states have call successors, (47), 45 states have call predecessors, (47), 43 states have return successors, (45), 43 states have call predecessors, (45), 44 states have call successors, (45) Word has length 401 [2021-05-02 16:12:22,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:12:22,123 INFO L225 Difference]: With dead ends: 412 [2021-05-02 16:12:22,123 INFO L226 Difference]: Without dead ends: 407 [2021-05-02 16:12:22,124 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 903 ImplicationChecksByTransitivity, 1529.3ms TimeCoverageRelationStatistics Valid=2882, Invalid=4774, Unknown=0, NotChecked=0, Total=7656 [2021-05-02 16:12:22,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2021-05-02 16:12:22,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2021-05-02 16:12:22,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 313 states have (on average 1.1405750798722045) internal successors, (357), 313 states have internal predecessors, (357), 48 states have call successors, (48), 47 states have call predecessors, (48), 45 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2021-05-02 16:12:22,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 451 transitions. [2021-05-02 16:12:22,132 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 451 transitions. Word has length 401 [2021-05-02 16:12:22,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:12:22,133 INFO L480 AbstractCegarLoop]: Abstraction has 407 states and 451 transitions. [2021-05-02 16:12:22,133 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 6.6521739130434785) internal successors, (306), 45 states have internal predecessors, (306), 45 states have call successors, (47), 45 states have call predecessors, (47), 43 states have return successors, (45), 43 states have call predecessors, (45), 44 states have call successors, (45) [2021-05-02 16:12:22,133 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 451 transitions. [2021-05-02 16:12:22,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2021-05-02 16:12:22,135 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:12:22,135 INFO L523 BasicCegarLoop]: trace histogram [44, 44, 43, 43, 43, 43, 43, 43, 43, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:12:22,351 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2021-05-02 16:12:22,352 INFO L428 AbstractCegarLoop]: === Iteration 47 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:12:22,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:12:22,352 INFO L82 PathProgramCache]: Analyzing trace with hash -290400420, now seen corresponding path program 43 times [2021-05-02 16:12:22,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:12:22,352 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539708853] [2021-05-02 16:12:22,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:12:22,358 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:12:22,358 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1037314894] [2021-05-02 16:12:22,358 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:12:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 16:12:22,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 1116 conjuncts, 91 conjunts are in the unsatisfiable core [2021-05-02 16:12:22,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:12:22,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:22,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:23,730 INFO L134 CoverageAnalysis]: Checked inductivity of 8303 backedges. 86 proven. 8213 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:12:23,730 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:12:23,730 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539708853] [2021-05-02 16:12:23,730 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:12:23,731 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037314894] [2021-05-02 16:12:23,731 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1037314894] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:12:23,731 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:12:23,731 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2021-05-02 16:12:23,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221397299] [2021-05-02 16:12:23,731 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-05-02 16:12:23,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:12:23,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-05-02 16:12:23,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1037, Invalid=1125, Unknown=0, NotChecked=0, Total=2162 [2021-05-02 16:12:23,732 INFO L87 Difference]: Start difference. First operand 407 states and 451 transitions. Second operand has 47 states, 47 states have (on average 6.659574468085107) internal successors, (313), 46 states have internal predecessors, (313), 46 states have call successors, (48), 46 states have call predecessors, (48), 44 states have return successors, (46), 44 states have call predecessors, (46), 45 states have call successors, (46) [2021-05-02 16:12:24,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:12:24,880 INFO L93 Difference]: Finished difference Result 421 states and 466 transitions. [2021-05-02 16:12:24,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-05-02 16:12:24,881 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 47 states have (on average 6.659574468085107) internal successors, (313), 46 states have internal predecessors, (313), 46 states have call successors, (48), 46 states have call predecessors, (48), 44 states have return successors, (46), 44 states have call predecessors, (46), 45 states have call successors, (46) Word has length 410 [2021-05-02 16:12:24,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:12:24,882 INFO L225 Difference]: With dead ends: 421 [2021-05-02 16:12:24,882 INFO L226 Difference]: Without dead ends: 416 [2021-05-02 16:12:24,883 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 946 ImplicationChecksByTransitivity, 1550.3ms TimeCoverageRelationStatistics Valid=3015, Invalid=4995, Unknown=0, NotChecked=0, Total=8010 [2021-05-02 16:12:24,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2021-05-02 16:12:24,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 416. [2021-05-02 16:12:24,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 320 states have (on average 1.140625) internal successors, (365), 320 states have internal predecessors, (365), 49 states have call successors, (49), 48 states have call predecessors, (49), 46 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2021-05-02 16:12:24,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 461 transitions. [2021-05-02 16:12:24,891 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 461 transitions. Word has length 410 [2021-05-02 16:12:24,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:12:24,891 INFO L480 AbstractCegarLoop]: Abstraction has 416 states and 461 transitions. [2021-05-02 16:12:24,891 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 6.659574468085107) internal successors, (313), 46 states have internal predecessors, (313), 46 states have call successors, (48), 46 states have call predecessors, (48), 44 states have return successors, (46), 44 states have call predecessors, (46), 45 states have call successors, (46) [2021-05-02 16:12:24,891 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 461 transitions. [2021-05-02 16:12:24,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2021-05-02 16:12:24,893 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:12:24,893 INFO L523 BasicCegarLoop]: trace histogram [45, 45, 44, 44, 44, 44, 44, 44, 44, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:12:25,109 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-05-02 16:12:25,110 INFO L428 AbstractCegarLoop]: === Iteration 48 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:12:25,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:12:25,110 INFO L82 PathProgramCache]: Analyzing trace with hash -1569738858, now seen corresponding path program 44 times [2021-05-02 16:12:25,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:12:25,110 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009394534] [2021-05-02 16:12:25,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:12:25,116 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:12:25,117 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [947096339] [2021-05-02 16:12:25,117 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:12:25,249 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 16:12:25,249 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:12:25,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 1139 conjuncts, 93 conjunts are in the unsatisfiable core [2021-05-02 16:12:25,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:12:25,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:25,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:26,489 INFO L134 CoverageAnalysis]: Checked inductivity of 8694 backedges. 88 proven. 8602 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:12:26,489 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:12:26,489 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009394534] [2021-05-02 16:12:26,489 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:12:26,489 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947096339] [2021-05-02 16:12:26,489 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [947096339] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:12:26,489 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:12:26,489 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2021-05-02 16:12:26,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311676832] [2021-05-02 16:12:26,490 INFO L460 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-05-02 16:12:26,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:12:26,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-05-02 16:12:26,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1083, Invalid=1173, Unknown=0, NotChecked=0, Total=2256 [2021-05-02 16:12:26,491 INFO L87 Difference]: Start difference. First operand 416 states and 461 transitions. Second operand has 48 states, 48 states have (on average 6.666666666666667) internal successors, (320), 47 states have internal predecessors, (320), 47 states have call successors, (49), 47 states have call predecessors, (49), 45 states have return successors, (47), 45 states have call predecessors, (47), 46 states have call successors, (47) [2021-05-02 16:12:27,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:12:27,653 INFO L93 Difference]: Finished difference Result 430 states and 476 transitions. [2021-05-02 16:12:27,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-05-02 16:12:27,654 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 48 states have (on average 6.666666666666667) internal successors, (320), 47 states have internal predecessors, (320), 47 states have call successors, (49), 47 states have call predecessors, (49), 45 states have return successors, (47), 45 states have call predecessors, (47), 46 states have call successors, (47) Word has length 419 [2021-05-02 16:12:27,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:12:27,655 INFO L225 Difference]: With dead ends: 430 [2021-05-02 16:12:27,655 INFO L226 Difference]: Without dead ends: 425 [2021-05-02 16:12:27,656 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 462 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 990 ImplicationChecksByTransitivity, 1600.1ms TimeCoverageRelationStatistics Valid=3151, Invalid=5221, Unknown=0, NotChecked=0, Total=8372 [2021-05-02 16:12:27,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2021-05-02 16:12:27,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 425. [2021-05-02 16:12:27,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 327 states have (on average 1.1406727828746177) internal successors, (373), 327 states have internal predecessors, (373), 50 states have call successors, (50), 49 states have call predecessors, (50), 47 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2021-05-02 16:12:27,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 471 transitions. [2021-05-02 16:12:27,664 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 471 transitions. Word has length 419 [2021-05-02 16:12:27,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:12:27,665 INFO L480 AbstractCegarLoop]: Abstraction has 425 states and 471 transitions. [2021-05-02 16:12:27,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 6.666666666666667) internal successors, (320), 47 states have internal predecessors, (320), 47 states have call successors, (49), 47 states have call predecessors, (49), 45 states have return successors, (47), 45 states have call predecessors, (47), 46 states have call successors, (47) [2021-05-02 16:12:27,665 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 471 transitions. [2021-05-02 16:12:27,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2021-05-02 16:12:27,667 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:12:27,667 INFO L523 BasicCegarLoop]: trace histogram [46, 46, 45, 45, 45, 45, 45, 45, 45, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:12:27,883 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:12:27,883 INFO L428 AbstractCegarLoop]: === Iteration 49 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:12:27,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:12:27,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1803061092, now seen corresponding path program 45 times [2021-05-02 16:12:27,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:12:27,883 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797319903] [2021-05-02 16:12:27,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:12:27,889 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:12:27,889 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [974456790] [2021-05-02 16:12:27,889 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:12:28,144 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 46 check-sat command(s) [2021-05-02 16:12:28,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:12:28,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 1162 conjuncts, 95 conjunts are in the unsatisfiable core [2021-05-02 16:12:28,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:12:28,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:28,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:29,449 INFO L134 CoverageAnalysis]: Checked inductivity of 9094 backedges. 90 proven. 9000 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:12:29,449 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:12:29,449 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797319903] [2021-05-02 16:12:29,449 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:12:29,449 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974456790] [2021-05-02 16:12:29,449 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974456790] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:12:29,449 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:12:29,449 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2021-05-02 16:12:29,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742837470] [2021-05-02 16:12:29,450 INFO L460 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-05-02 16:12:29,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:12:29,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-05-02 16:12:29,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1130, Invalid=1222, Unknown=0, NotChecked=0, Total=2352 [2021-05-02 16:12:29,450 INFO L87 Difference]: Start difference. First operand 425 states and 471 transitions. Second operand has 49 states, 49 states have (on average 6.673469387755102) internal successors, (327), 48 states have internal predecessors, (327), 48 states have call successors, (50), 48 states have call predecessors, (50), 46 states have return successors, (48), 46 states have call predecessors, (48), 47 states have call successors, (48) [2021-05-02 16:12:30,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:12:30,715 INFO L93 Difference]: Finished difference Result 439 states and 486 transitions. [2021-05-02 16:12:30,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-05-02 16:12:30,715 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 6.673469387755102) internal successors, (327), 48 states have internal predecessors, (327), 48 states have call successors, (50), 48 states have call predecessors, (50), 46 states have return successors, (48), 46 states have call predecessors, (48), 47 states have call successors, (48) Word has length 428 [2021-05-02 16:12:30,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:12:30,716 INFO L225 Difference]: With dead ends: 439 [2021-05-02 16:12:30,717 INFO L226 Difference]: Without dead ends: 434 [2021-05-02 16:12:30,717 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 380 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1035 ImplicationChecksByTransitivity, 1705.9ms TimeCoverageRelationStatistics Valid=3290, Invalid=5452, Unknown=0, NotChecked=0, Total=8742 [2021-05-02 16:12:30,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2021-05-02 16:12:30,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2021-05-02 16:12:30,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 334 states have (on average 1.1407185628742516) internal successors, (381), 334 states have internal predecessors, (381), 51 states have call successors, (51), 50 states have call predecessors, (51), 48 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2021-05-02 16:12:30,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 481 transitions. [2021-05-02 16:12:30,726 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 481 transitions. Word has length 428 [2021-05-02 16:12:30,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:12:30,726 INFO L480 AbstractCegarLoop]: Abstraction has 434 states and 481 transitions. [2021-05-02 16:12:30,726 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 6.673469387755102) internal successors, (327), 48 states have internal predecessors, (327), 48 states have call successors, (50), 48 states have call predecessors, (50), 46 states have return successors, (48), 46 states have call predecessors, (48), 47 states have call successors, (48) [2021-05-02 16:12:30,726 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 481 transitions. [2021-05-02 16:12:30,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2021-05-02 16:12:30,728 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:12:30,728 INFO L523 BasicCegarLoop]: trace histogram [47, 47, 46, 46, 46, 46, 46, 46, 46, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:12:30,945 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-05-02 16:12:30,945 INFO L428 AbstractCegarLoop]: === Iteration 50 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:12:30,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:12:30,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1876588118, now seen corresponding path program 46 times [2021-05-02 16:12:30,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:12:30,946 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663647096] [2021-05-02 16:12:30,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:12:30,951 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:12:30,951 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [501720779] [2021-05-02 16:12:30,951 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:12:31,121 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 16:12:31,121 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:12:31,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 1185 conjuncts, 97 conjunts are in the unsatisfiable core [2021-05-02 16:12:31,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:12:31,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:31,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:32,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:32,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:32,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:32,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:32,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:32,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:32,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:32,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:32,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:32,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:32,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:32,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:32,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:32,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:32,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:32,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:32,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:32,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:32,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:32,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:32,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:32,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:32,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:32,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:32,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:32,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:32,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:32,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:32,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:32,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:32,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:32,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:32,455 INFO L134 CoverageAnalysis]: Checked inductivity of 9503 backedges. 92 proven. 9407 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:12:32,455 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:12:32,455 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663647096] [2021-05-02 16:12:32,455 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:12:32,455 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501720779] [2021-05-02 16:12:32,456 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501720779] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:12:32,456 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:12:32,456 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2021-05-02 16:12:32,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406758477] [2021-05-02 16:12:32,456 INFO L460 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-05-02 16:12:32,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:12:32,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-05-02 16:12:32,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1178, Invalid=1272, Unknown=0, NotChecked=0, Total=2450 [2021-05-02 16:12:32,457 INFO L87 Difference]: Start difference. First operand 434 states and 481 transitions. Second operand has 50 states, 50 states have (on average 6.68) internal successors, (334), 49 states have internal predecessors, (334), 49 states have call successors, (51), 49 states have call predecessors, (51), 47 states have return successors, (49), 47 states have call predecessors, (49), 48 states have call successors, (49) [2021-05-02 16:12:33,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:12:33,757 INFO L93 Difference]: Finished difference Result 448 states and 496 transitions. [2021-05-02 16:12:33,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-05-02 16:12:33,758 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 6.68) internal successors, (334), 49 states have internal predecessors, (334), 49 states have call successors, (51), 49 states have call predecessors, (51), 47 states have return successors, (49), 47 states have call predecessors, (49), 48 states have call successors, (49) Word has length 437 [2021-05-02 16:12:33,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:12:33,759 INFO L225 Difference]: With dead ends: 448 [2021-05-02 16:12:33,759 INFO L226 Difference]: Without dead ends: 443 [2021-05-02 16:12:33,760 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 482 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1081 ImplicationChecksByTransitivity, 1763.2ms TimeCoverageRelationStatistics Valid=3432, Invalid=5688, Unknown=0, NotChecked=0, Total=9120 [2021-05-02 16:12:33,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2021-05-02 16:12:33,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2021-05-02 16:12:33,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 341 states have (on average 1.1407624633431086) internal successors, (389), 341 states have internal predecessors, (389), 52 states have call successors, (52), 51 states have call predecessors, (52), 49 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2021-05-02 16:12:33,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 491 transitions. [2021-05-02 16:12:33,769 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 491 transitions. Word has length 437 [2021-05-02 16:12:33,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:12:33,769 INFO L480 AbstractCegarLoop]: Abstraction has 443 states and 491 transitions. [2021-05-02 16:12:33,770 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 6.68) internal successors, (334), 49 states have internal predecessors, (334), 49 states have call successors, (51), 49 states have call predecessors, (51), 47 states have return successors, (49), 47 states have call predecessors, (49), 48 states have call successors, (49) [2021-05-02 16:12:33,770 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 491 transitions. [2021-05-02 16:12:33,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2021-05-02 16:12:33,771 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:12:33,772 INFO L523 BasicCegarLoop]: trace histogram [48, 48, 47, 47, 47, 47, 47, 47, 47, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:12:33,987 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-05-02 16:12:33,988 INFO L428 AbstractCegarLoop]: === Iteration 51 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:12:33,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:12:33,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1123043804, now seen corresponding path program 47 times [2021-05-02 16:12:33,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:12:33,988 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117346178] [2021-05-02 16:12:33,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:12:33,993 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:12:33,993 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2109908770] [2021-05-02 16:12:33,993 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:12:34,207 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 48 check-sat command(s) [2021-05-02 16:12:34,207 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:12:34,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 1208 conjuncts, 99 conjunts are in the unsatisfiable core [2021-05-02 16:12:34,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:12:34,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:34,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:35,635 INFO L134 CoverageAnalysis]: Checked inductivity of 9921 backedges. 94 proven. 9823 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:12:35,635 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:12:35,635 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117346178] [2021-05-02 16:12:35,636 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:12:35,636 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109908770] [2021-05-02 16:12:35,636 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109908770] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:12:35,636 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:12:35,636 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2021-05-02 16:12:35,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421125573] [2021-05-02 16:12:35,636 INFO L460 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-05-02 16:12:35,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:12:35,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-05-02 16:12:35,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1227, Invalid=1323, Unknown=0, NotChecked=0, Total=2550 [2021-05-02 16:12:35,637 INFO L87 Difference]: Start difference. First operand 443 states and 491 transitions. Second operand has 51 states, 51 states have (on average 6.686274509803922) internal successors, (341), 50 states have internal predecessors, (341), 50 states have call successors, (52), 50 states have call predecessors, (52), 48 states have return successors, (50), 48 states have call predecessors, (50), 49 states have call successors, (50) [2021-05-02 16:12:37,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:12:37,039 INFO L93 Difference]: Finished difference Result 457 states and 506 transitions. [2021-05-02 16:12:37,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-05-02 16:12:37,040 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 6.686274509803922) internal successors, (341), 50 states have internal predecessors, (341), 50 states have call successors, (52), 50 states have call predecessors, (52), 48 states have return successors, (50), 48 states have call predecessors, (50), 49 states have call successors, (50) Word has length 446 [2021-05-02 16:12:37,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:12:37,041 INFO L225 Difference]: With dead ends: 457 [2021-05-02 16:12:37,041 INFO L226 Difference]: Without dead ends: 452 [2021-05-02 16:12:37,042 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1128 ImplicationChecksByTransitivity, 1897.5ms TimeCoverageRelationStatistics Valid=3577, Invalid=5929, Unknown=0, NotChecked=0, Total=9506 [2021-05-02 16:12:37,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2021-05-02 16:12:37,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 452. [2021-05-02 16:12:37,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 348 states have (on average 1.1408045977011494) internal successors, (397), 348 states have internal predecessors, (397), 53 states have call successors, (53), 52 states have call predecessors, (53), 50 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2021-05-02 16:12:37,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 501 transitions. [2021-05-02 16:12:37,051 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 501 transitions. Word has length 446 [2021-05-02 16:12:37,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:12:37,051 INFO L480 AbstractCegarLoop]: Abstraction has 452 states and 501 transitions. [2021-05-02 16:12:37,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 6.686274509803922) internal successors, (341), 50 states have internal predecessors, (341), 50 states have call successors, (52), 50 states have call predecessors, (52), 48 states have return successors, (50), 48 states have call predecessors, (50), 49 states have call successors, (50) [2021-05-02 16:12:37,051 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 501 transitions. [2021-05-02 16:12:37,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2021-05-02 16:12:37,053 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:12:37,053 INFO L523 BasicCegarLoop]: trace histogram [49, 49, 48, 48, 48, 48, 48, 48, 48, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:12:37,270 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:12:37,270 INFO L428 AbstractCegarLoop]: === Iteration 52 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:12:37,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:12:37,270 INFO L82 PathProgramCache]: Analyzing trace with hash 2116619542, now seen corresponding path program 48 times [2021-05-02 16:12:37,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:12:37,270 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902750062] [2021-05-02 16:12:37,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:12:37,276 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:12:37,276 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1055947833] [2021-05-02 16:12:37,276 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:12:37,604 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 49 check-sat command(s) [2021-05-02 16:12:37,604 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:12:37,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 1231 conjuncts, 101 conjunts are in the unsatisfiable core [2021-05-02 16:12:37,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:12:37,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:37,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:38,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:39,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:39,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:39,062 INFO L134 CoverageAnalysis]: Checked inductivity of 10348 backedges. 96 proven. 10248 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:12:39,063 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:12:39,063 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902750062] [2021-05-02 16:12:39,063 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:12:39,063 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1055947833] [2021-05-02 16:12:39,063 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1055947833] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:12:39,063 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:12:39,063 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2021-05-02 16:12:39,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14416824] [2021-05-02 16:12:39,063 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-05-02 16:12:39,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:12:39,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-05-02 16:12:39,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1277, Invalid=1375, Unknown=0, NotChecked=0, Total=2652 [2021-05-02 16:12:39,064 INFO L87 Difference]: Start difference. First operand 452 states and 501 transitions. Second operand has 52 states, 52 states have (on average 6.6923076923076925) internal successors, (348), 51 states have internal predecessors, (348), 51 states have call successors, (53), 51 states have call predecessors, (53), 49 states have return successors, (51), 49 states have call predecessors, (51), 50 states have call successors, (51) [2021-05-02 16:12:40,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:12:40,530 INFO L93 Difference]: Finished difference Result 466 states and 516 transitions. [2021-05-02 16:12:40,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2021-05-02 16:12:40,531 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 6.6923076923076925) internal successors, (348), 51 states have internal predecessors, (348), 51 states have call successors, (53), 51 states have call predecessors, (53), 49 states have return successors, (51), 49 states have call predecessors, (51), 50 states have call successors, (51) Word has length 455 [2021-05-02 16:12:40,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:12:40,532 INFO L225 Difference]: With dead ends: 466 [2021-05-02 16:12:40,532 INFO L226 Difference]: Without dead ends: 461 [2021-05-02 16:12:40,533 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 502 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1176 ImplicationChecksByTransitivity, 1989.6ms TimeCoverageRelationStatistics Valid=3725, Invalid=6175, Unknown=0, NotChecked=0, Total=9900 [2021-05-02 16:12:40,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2021-05-02 16:12:40,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 461. [2021-05-02 16:12:40,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 355 states have (on average 1.1408450704225352) internal successors, (405), 355 states have internal predecessors, (405), 54 states have call successors, (54), 53 states have call predecessors, (54), 51 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2021-05-02 16:12:40,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 511 transitions. [2021-05-02 16:12:40,541 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 511 transitions. Word has length 455 [2021-05-02 16:12:40,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:12:40,542 INFO L480 AbstractCegarLoop]: Abstraction has 461 states and 511 transitions. [2021-05-02 16:12:40,542 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 6.6923076923076925) internal successors, (348), 51 states have internal predecessors, (348), 51 states have call successors, (53), 51 states have call predecessors, (53), 49 states have return successors, (51), 49 states have call predecessors, (51), 50 states have call successors, (51) [2021-05-02 16:12:40,542 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 511 transitions. [2021-05-02 16:12:40,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2021-05-02 16:12:40,544 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:12:40,544 INFO L523 BasicCegarLoop]: trace histogram [50, 50, 49, 49, 49, 49, 49, 49, 49, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:12:40,761 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2021-05-02 16:12:40,761 INFO L428 AbstractCegarLoop]: === Iteration 53 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:12:40,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:12:40,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1413526756, now seen corresponding path program 49 times [2021-05-02 16:12:40,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:12:40,761 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396228464] [2021-05-02 16:12:40,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:12:40,766 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:12:40,766 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [375456609] [2021-05-02 16:12:40,766 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:12:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 16:12:40,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 103 conjunts are in the unsatisfiable core [2021-05-02 16:12:40,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:12:40,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:40,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:40,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:40,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:40,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:40,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:40,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:40,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:40,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:40,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:40,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:40,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:40,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:40,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:40,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:40,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:41,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:42,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:42,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:42,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:42,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:42,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:42,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:42,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:42,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:42,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:42,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:42,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:42,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:42,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:42,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:42,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:42,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:42,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:42,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:42,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:42,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:42,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:42,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:42,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:42,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:42,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:42,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:42,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:42,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:42,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:42,468 INFO L134 CoverageAnalysis]: Checked inductivity of 10784 backedges. 98 proven. 10682 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:12:42,469 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:12:42,469 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396228464] [2021-05-02 16:12:42,469 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:12:42,469 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375456609] [2021-05-02 16:12:42,469 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375456609] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:12:42,469 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:12:42,469 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2021-05-02 16:12:42,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116450239] [2021-05-02 16:12:42,469 INFO L460 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-02 16:12:42,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:12:42,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-02 16:12:42,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1328, Invalid=1428, Unknown=0, NotChecked=0, Total=2756 [2021-05-02 16:12:42,470 INFO L87 Difference]: Start difference. First operand 461 states and 511 transitions. Second operand has 53 states, 53 states have (on average 6.69811320754717) internal successors, (355), 52 states have internal predecessors, (355), 52 states have call successors, (54), 52 states have call predecessors, (54), 50 states have return successors, (52), 50 states have call predecessors, (52), 51 states have call successors, (52) [2021-05-02 16:12:43,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:12:43,994 INFO L93 Difference]: Finished difference Result 475 states and 526 transitions. [2021-05-02 16:12:43,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-05-02 16:12:43,994 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 6.69811320754717) internal successors, (355), 52 states have internal predecessors, (355), 52 states have call successors, (54), 52 states have call predecessors, (54), 50 states have return successors, (52), 50 states have call predecessors, (52), 51 states have call successors, (52) Word has length 464 [2021-05-02 16:12:43,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:12:43,996 INFO L225 Difference]: With dead ends: 475 [2021-05-02 16:12:43,996 INFO L226 Difference]: Without dead ends: 470 [2021-05-02 16:12:43,996 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 512 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1225 ImplicationChecksByTransitivity, 2100.3ms TimeCoverageRelationStatistics Valid=3876, Invalid=6426, Unknown=0, NotChecked=0, Total=10302 [2021-05-02 16:12:43,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2021-05-02 16:12:44,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 470. [2021-05-02 16:12:44,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 362 states have (on average 1.1408839779005524) internal successors, (413), 362 states have internal predecessors, (413), 55 states have call successors, (55), 54 states have call predecessors, (55), 52 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2021-05-02 16:12:44,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 521 transitions. [2021-05-02 16:12:44,005 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 521 transitions. Word has length 464 [2021-05-02 16:12:44,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:12:44,005 INFO L480 AbstractCegarLoop]: Abstraction has 470 states and 521 transitions. [2021-05-02 16:12:44,006 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 6.69811320754717) internal successors, (355), 52 states have internal predecessors, (355), 52 states have call successors, (54), 52 states have call predecessors, (54), 50 states have return successors, (52), 50 states have call predecessors, (52), 51 states have call successors, (52) [2021-05-02 16:12:44,006 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 521 transitions. [2021-05-02 16:12:44,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2021-05-02 16:12:44,008 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:12:44,008 INFO L523 BasicCegarLoop]: trace histogram [51, 51, 50, 50, 50, 50, 50, 50, 50, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:12:44,224 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,53 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:12:44,224 INFO L428 AbstractCegarLoop]: === Iteration 54 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:12:44,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:12:44,225 INFO L82 PathProgramCache]: Analyzing trace with hash -368610346, now seen corresponding path program 50 times [2021-05-02 16:12:44,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:12:44,225 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512283875] [2021-05-02 16:12:44,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:12:44,230 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:12:44,230 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1691774652] [2021-05-02 16:12:44,230 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:12:44,386 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 16:12:44,387 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:12:44,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 1277 conjuncts, 105 conjunts are in the unsatisfiable core [2021-05-02 16:12:44,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:12:44,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:44,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:45,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:46,014 INFO L134 CoverageAnalysis]: Checked inductivity of 11229 backedges. 100 proven. 11125 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:12:46,015 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:12:46,015 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512283875] [2021-05-02 16:12:46,015 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:12:46,015 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691774652] [2021-05-02 16:12:46,015 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1691774652] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:12:46,015 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:12:46,015 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54] total 54 [2021-05-02 16:12:46,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452132992] [2021-05-02 16:12:46,015 INFO L460 AbstractCegarLoop]: Interpolant automaton has 54 states [2021-05-02 16:12:46,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:12:46,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-05-02 16:12:46,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1380, Invalid=1482, Unknown=0, NotChecked=0, Total=2862 [2021-05-02 16:12:46,016 INFO L87 Difference]: Start difference. First operand 470 states and 521 transitions. Second operand has 54 states, 54 states have (on average 6.703703703703703) internal successors, (362), 53 states have internal predecessors, (362), 53 states have call successors, (55), 53 states have call predecessors, (55), 51 states have return successors, (53), 51 states have call predecessors, (53), 52 states have call successors, (53) [2021-05-02 16:12:47,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:12:47,622 INFO L93 Difference]: Finished difference Result 484 states and 536 transitions. [2021-05-02 16:12:47,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-05-02 16:12:47,623 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 54 states have (on average 6.703703703703703) internal successors, (362), 53 states have internal predecessors, (362), 53 states have call successors, (55), 53 states have call predecessors, (55), 51 states have return successors, (53), 51 states have call predecessors, (53), 52 states have call successors, (53) Word has length 473 [2021-05-02 16:12:47,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:12:47,624 INFO L225 Difference]: With dead ends: 484 [2021-05-02 16:12:47,624 INFO L226 Difference]: Without dead ends: 479 [2021-05-02 16:12:47,625 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 420 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1275 ImplicationChecksByTransitivity, 2236.5ms TimeCoverageRelationStatistics Valid=4030, Invalid=6682, Unknown=0, NotChecked=0, Total=10712 [2021-05-02 16:12:47,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2021-05-02 16:12:47,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 479. [2021-05-02 16:12:47,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 369 states have (on average 1.1409214092140922) internal successors, (421), 369 states have internal predecessors, (421), 56 states have call successors, (56), 55 states have call predecessors, (56), 53 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2021-05-02 16:12:47,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 531 transitions. [2021-05-02 16:12:47,633 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 531 transitions. Word has length 473 [2021-05-02 16:12:47,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:12:47,634 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 531 transitions. [2021-05-02 16:12:47,634 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 54 states, 54 states have (on average 6.703703703703703) internal successors, (362), 53 states have internal predecessors, (362), 53 states have call successors, (55), 53 states have call predecessors, (55), 51 states have return successors, (53), 51 states have call predecessors, (53), 52 states have call successors, (53) [2021-05-02 16:12:47,634 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 531 transitions. [2021-05-02 16:12:47,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2021-05-02 16:12:47,636 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:12:47,636 INFO L523 BasicCegarLoop]: trace histogram [52, 52, 51, 51, 51, 51, 51, 51, 51, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:12:47,850 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2021-05-02 16:12:47,850 INFO L428 AbstractCegarLoop]: === Iteration 55 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:12:47,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:12:47,850 INFO L82 PathProgramCache]: Analyzing trace with hash 868777052, now seen corresponding path program 51 times [2021-05-02 16:12:47,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:12:47,850 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203099876] [2021-05-02 16:12:47,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:12:47,856 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:12:47,856 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1671428453] [2021-05-02 16:12:47,856 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:12:48,158 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 52 check-sat command(s) [2021-05-02 16:12:48,158 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:12:48,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 1300 conjuncts, 107 conjunts are in the unsatisfiable core [2021-05-02 16:12:48,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:12:48,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:48,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:49,832 INFO L134 CoverageAnalysis]: Checked inductivity of 11683 backedges. 102 proven. 11577 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:12:49,832 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:12:49,832 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203099876] [2021-05-02 16:12:49,833 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:12:49,833 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671428453] [2021-05-02 16:12:49,833 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671428453] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:12:49,833 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:12:49,833 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2021-05-02 16:12:49,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591946420] [2021-05-02 16:12:49,833 INFO L460 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-05-02 16:12:49,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:12:49,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-05-02 16:12:49,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1433, Invalid=1537, Unknown=0, NotChecked=0, Total=2970 [2021-05-02 16:12:49,834 INFO L87 Difference]: Start difference. First operand 479 states and 531 transitions. Second operand has 55 states, 55 states have (on average 6.709090909090909) internal successors, (369), 54 states have internal predecessors, (369), 54 states have call successors, (56), 54 states have call predecessors, (56), 52 states have return successors, (54), 52 states have call predecessors, (54), 53 states have call successors, (54) [2021-05-02 16:12:51,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:12:51,484 INFO L93 Difference]: Finished difference Result 493 states and 546 transitions. [2021-05-02 16:12:51,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-05-02 16:12:51,485 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 55 states have (on average 6.709090909090909) internal successors, (369), 54 states have internal predecessors, (369), 54 states have call successors, (56), 54 states have call predecessors, (56), 52 states have return successors, (54), 52 states have call predecessors, (54), 53 states have call successors, (54) Word has length 482 [2021-05-02 16:12:51,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:12:51,486 INFO L225 Difference]: With dead ends: 493 [2021-05-02 16:12:51,486 INFO L226 Difference]: Without dead ends: 488 [2021-05-02 16:12:51,487 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 532 GetRequests, 428 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1326 ImplicationChecksByTransitivity, 2291.5ms TimeCoverageRelationStatistics Valid=4187, Invalid=6943, Unknown=0, NotChecked=0, Total=11130 [2021-05-02 16:12:51,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2021-05-02 16:12:51,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 488. [2021-05-02 16:12:51,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 376 states have (on average 1.1409574468085106) internal successors, (429), 376 states have internal predecessors, (429), 57 states have call successors, (57), 56 states have call predecessors, (57), 54 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2021-05-02 16:12:51,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 541 transitions. [2021-05-02 16:12:51,496 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 541 transitions. Word has length 482 [2021-05-02 16:12:51,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:12:51,496 INFO L480 AbstractCegarLoop]: Abstraction has 488 states and 541 transitions. [2021-05-02 16:12:51,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 6.709090909090909) internal successors, (369), 54 states have internal predecessors, (369), 54 states have call successors, (56), 54 states have call predecessors, (56), 52 states have return successors, (54), 52 states have call predecessors, (54), 53 states have call successors, (54) [2021-05-02 16:12:51,496 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 541 transitions. [2021-05-02 16:12:51,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2021-05-02 16:12:51,498 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:12:51,498 INFO L523 BasicCegarLoop]: trace histogram [53, 53, 52, 52, 52, 52, 52, 52, 52, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:12:51,715 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2021-05-02 16:12:51,716 INFO L428 AbstractCegarLoop]: === Iteration 56 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:12:51,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:12:51,716 INFO L82 PathProgramCache]: Analyzing trace with hash 2099358358, now seen corresponding path program 52 times [2021-05-02 16:12:51,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:12:51,716 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011804264] [2021-05-02 16:12:51,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:12:51,721 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:12:51,721 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [350475381] [2021-05-02 16:12:51,722 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:12:51,867 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 16:12:51,868 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:12:51,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 1323 conjuncts, 109 conjunts are in the unsatisfiable core [2021-05-02 16:12:51,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:12:51,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:51,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:51,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:51,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:51,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:51,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:51,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:51,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:51,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:51,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:51,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:51,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:51,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:51,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:51,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:51,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:51,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:51,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:51,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:51,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:51,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:51,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:51,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:51,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:52,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:53,620 INFO L134 CoverageAnalysis]: Checked inductivity of 12146 backedges. 104 proven. 12038 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:12:53,620 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:12:53,620 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011804264] [2021-05-02 16:12:53,620 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:12:53,620 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [350475381] [2021-05-02 16:12:53,620 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [350475381] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:12:53,620 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:12:53,620 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2021-05-02 16:12:53,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270932635] [2021-05-02 16:12:53,621 INFO L460 AbstractCegarLoop]: Interpolant automaton has 56 states [2021-05-02 16:12:53,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:12:53,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-05-02 16:12:53,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1487, Invalid=1593, Unknown=0, NotChecked=0, Total=3080 [2021-05-02 16:12:53,622 INFO L87 Difference]: Start difference. First operand 488 states and 541 transitions. Second operand has 56 states, 56 states have (on average 6.714285714285714) internal successors, (376), 55 states have internal predecessors, (376), 55 states have call successors, (57), 55 states have call predecessors, (57), 53 states have return successors, (55), 53 states have call predecessors, (55), 54 states have call successors, (55) [2021-05-02 16:12:55,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:12:55,360 INFO L93 Difference]: Finished difference Result 502 states and 556 transitions. [2021-05-02 16:12:55,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-05-02 16:12:55,360 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 56 states have (on average 6.714285714285714) internal successors, (376), 55 states have internal predecessors, (376), 55 states have call successors, (57), 55 states have call predecessors, (57), 53 states have return successors, (55), 53 states have call predecessors, (55), 54 states have call successors, (55) Word has length 491 [2021-05-02 16:12:55,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:12:55,361 INFO L225 Difference]: With dead ends: 502 [2021-05-02 16:12:55,361 INFO L226 Difference]: Without dead ends: 497 [2021-05-02 16:12:55,362 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 542 GetRequests, 436 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1378 ImplicationChecksByTransitivity, 2426.6ms TimeCoverageRelationStatistics Valid=4347, Invalid=7209, Unknown=0, NotChecked=0, Total=11556 [2021-05-02 16:12:55,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2021-05-02 16:12:55,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 497. [2021-05-02 16:12:55,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 383 states have (on average 1.1409921671018277) internal successors, (437), 383 states have internal predecessors, (437), 58 states have call successors, (58), 57 states have call predecessors, (58), 55 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2021-05-02 16:12:55,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 551 transitions. [2021-05-02 16:12:55,371 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 551 transitions. Word has length 491 [2021-05-02 16:12:55,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:12:55,371 INFO L480 AbstractCegarLoop]: Abstraction has 497 states and 551 transitions. [2021-05-02 16:12:55,372 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 56 states, 56 states have (on average 6.714285714285714) internal successors, (376), 55 states have internal predecessors, (376), 55 states have call successors, (57), 55 states have call predecessors, (57), 53 states have return successors, (55), 53 states have call predecessors, (55), 54 states have call successors, (55) [2021-05-02 16:12:55,372 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 551 transitions. [2021-05-02 16:12:55,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2021-05-02 16:12:55,374 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:12:55,374 INFO L523 BasicCegarLoop]: trace histogram [54, 54, 53, 53, 53, 53, 53, 53, 53, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:12:55,590 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,56 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:12:55,591 INFO L428 AbstractCegarLoop]: === Iteration 57 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:12:55,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:12:55,591 INFO L82 PathProgramCache]: Analyzing trace with hash 853532060, now seen corresponding path program 53 times [2021-05-02 16:12:55,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:12:55,591 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238052389] [2021-05-02 16:12:55,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:12:55,597 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:12:55,597 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [769157886] [2021-05-02 16:12:55,597 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:12:55,873 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 54 check-sat command(s) [2021-05-02 16:12:55,873 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:12:55,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 1346 conjuncts, 111 conjunts are in the unsatisfiable core [2021-05-02 16:12:55,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:12:55,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:55,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:55,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:55,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:55,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:55,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:55,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:55,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:55,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:55,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:55,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:55,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:55,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:55,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:55,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:55,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:55,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:55,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:55,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:55,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:55,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:55,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:55,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:55,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:56,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:12:57,719 INFO L134 CoverageAnalysis]: Checked inductivity of 12618 backedges. 106 proven. 12508 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:12:57,719 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:12:57,719 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238052389] [2021-05-02 16:12:57,719 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:12:57,719 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769157886] [2021-05-02 16:12:57,719 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [769157886] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:12:57,719 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:12:57,719 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57] total 57 [2021-05-02 16:12:57,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501482809] [2021-05-02 16:12:57,720 INFO L460 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-05-02 16:12:57,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:12:57,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-05-02 16:12:57,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1542, Invalid=1650, Unknown=0, NotChecked=0, Total=3192 [2021-05-02 16:12:57,720 INFO L87 Difference]: Start difference. First operand 497 states and 551 transitions. Second operand has 57 states, 57 states have (on average 6.719298245614035) internal successors, (383), 56 states have internal predecessors, (383), 56 states have call successors, (58), 56 states have call predecessors, (58), 54 states have return successors, (56), 54 states have call predecessors, (56), 55 states have call successors, (56) [2021-05-02 16:12:59,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:12:59,506 INFO L93 Difference]: Finished difference Result 511 states and 566 transitions. [2021-05-02 16:12:59,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-05-02 16:12:59,507 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 57 states have (on average 6.719298245614035) internal successors, (383), 56 states have internal predecessors, (383), 56 states have call successors, (58), 56 states have call predecessors, (58), 54 states have return successors, (56), 54 states have call predecessors, (56), 55 states have call successors, (56) Word has length 500 [2021-05-02 16:12:59,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:12:59,508 INFO L225 Difference]: With dead ends: 511 [2021-05-02 16:12:59,508 INFO L226 Difference]: Without dead ends: 506 [2021-05-02 16:12:59,509 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 552 GetRequests, 444 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1431 ImplicationChecksByTransitivity, 2542.2ms TimeCoverageRelationStatistics Valid=4510, Invalid=7480, Unknown=0, NotChecked=0, Total=11990 [2021-05-02 16:12:59,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2021-05-02 16:12:59,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 506. [2021-05-02 16:12:59,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 390 states have (on average 1.141025641025641) internal successors, (445), 390 states have internal predecessors, (445), 59 states have call successors, (59), 58 states have call predecessors, (59), 56 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2021-05-02 16:12:59,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 561 transitions. [2021-05-02 16:12:59,518 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 561 transitions. Word has length 500 [2021-05-02 16:12:59,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:12:59,519 INFO L480 AbstractCegarLoop]: Abstraction has 506 states and 561 transitions. [2021-05-02 16:12:59,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 57 states, 57 states have (on average 6.719298245614035) internal successors, (383), 56 states have internal predecessors, (383), 56 states have call successors, (58), 56 states have call predecessors, (58), 54 states have return successors, (56), 54 states have call predecessors, (56), 55 states have call successors, (56) [2021-05-02 16:12:59,519 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 561 transitions. [2021-05-02 16:12:59,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2021-05-02 16:12:59,521 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:12:59,522 INFO L523 BasicCegarLoop]: trace histogram [55, 55, 54, 54, 54, 54, 54, 54, 54, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:12:59,738 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2021-05-02 16:12:59,738 INFO L428 AbstractCegarLoop]: === Iteration 58 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:12:59,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:12:59,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1847832918, now seen corresponding path program 54 times [2021-05-02 16:12:59,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:12:59,739 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550779285] [2021-05-02 16:12:59,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:12:59,744 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:12:59,744 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1621048345] [2021-05-02 16:12:59,744 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:13:00,157 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 55 check-sat command(s) [2021-05-02 16:13:00,157 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:13:00,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 1369 conjuncts, 113 conjunts are in the unsatisfiable core [2021-05-02 16:13:00,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:13:00,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:00,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:01,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:02,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:02,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:02,084 INFO L134 CoverageAnalysis]: Checked inductivity of 13099 backedges. 108 proven. 12987 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:13:02,084 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:13:02,084 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550779285] [2021-05-02 16:13:02,084 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:13:02,085 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621048345] [2021-05-02 16:13:02,085 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621048345] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:13:02,085 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:13:02,085 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58] total 58 [2021-05-02 16:13:02,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689749803] [2021-05-02 16:13:02,086 INFO L460 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-05-02 16:13:02,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:13:02,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-05-02 16:13:02,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1598, Invalid=1708, Unknown=0, NotChecked=0, Total=3306 [2021-05-02 16:13:02,086 INFO L87 Difference]: Start difference. First operand 506 states and 561 transitions. Second operand has 58 states, 58 states have (on average 6.724137931034483) internal successors, (390), 57 states have internal predecessors, (390), 57 states have call successors, (59), 57 states have call predecessors, (59), 55 states have return successors, (57), 55 states have call predecessors, (57), 56 states have call successors, (57) [2021-05-02 16:13:03,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:13:03,839 INFO L93 Difference]: Finished difference Result 520 states and 576 transitions. [2021-05-02 16:13:03,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2021-05-02 16:13:03,840 INFO L78 Accepts]: Start accepts. Automaton has has 58 states, 58 states have (on average 6.724137931034483) internal successors, (390), 57 states have internal predecessors, (390), 57 states have call successors, (59), 57 states have call predecessors, (59), 55 states have return successors, (57), 55 states have call predecessors, (57), 56 states have call successors, (57) Word has length 509 [2021-05-02 16:13:03,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:13:03,841 INFO L225 Difference]: With dead ends: 520 [2021-05-02 16:13:03,841 INFO L226 Difference]: Without dead ends: 515 [2021-05-02 16:13:03,842 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 562 GetRequests, 452 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1485 ImplicationChecksByTransitivity, 2556.1ms TimeCoverageRelationStatistics Valid=4676, Invalid=7756, Unknown=0, NotChecked=0, Total=12432 [2021-05-02 16:13:03,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2021-05-02 16:13:03,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 515. [2021-05-02 16:13:03,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 397 states have (on average 1.141057934508816) internal successors, (453), 397 states have internal predecessors, (453), 60 states have call successors, (60), 59 states have call predecessors, (60), 57 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2021-05-02 16:13:03,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 571 transitions. [2021-05-02 16:13:03,851 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 571 transitions. Word has length 509 [2021-05-02 16:13:03,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:13:03,851 INFO L480 AbstractCegarLoop]: Abstraction has 515 states and 571 transitions. [2021-05-02 16:13:03,851 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 6.724137931034483) internal successors, (390), 57 states have internal predecessors, (390), 57 states have call successors, (59), 57 states have call predecessors, (59), 55 states have return successors, (57), 55 states have call predecessors, (57), 56 states have call successors, (57) [2021-05-02 16:13:03,852 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 571 transitions. [2021-05-02 16:13:03,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 519 [2021-05-02 16:13:03,854 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:13:03,854 INFO L523 BasicCegarLoop]: trace histogram [56, 56, 55, 55, 55, 55, 55, 55, 55, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:13:04,060 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,58 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:13:04,060 INFO L428 AbstractCegarLoop]: === Iteration 59 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:13:04,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:13:04,060 INFO L82 PathProgramCache]: Analyzing trace with hash 869887708, now seen corresponding path program 55 times [2021-05-02 16:13:04,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:13:04,061 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256931166] [2021-05-02 16:13:04,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:13:04,066 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:13:04,066 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1971022643] [2021-05-02 16:13:04,066 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:13:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 16:13:04,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 1392 conjuncts, 115 conjunts are in the unsatisfiable core [2021-05-02 16:13:04,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:13:04,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:04,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:05,967 INFO L134 CoverageAnalysis]: Checked inductivity of 13589 backedges. 110 proven. 13475 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:13:05,967 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:13:05,967 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256931166] [2021-05-02 16:13:05,968 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:13:05,968 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971022643] [2021-05-02 16:13:05,968 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971022643] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:13:05,968 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:13:05,968 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59] total 59 [2021-05-02 16:13:05,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204080327] [2021-05-02 16:13:05,968 INFO L460 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-05-02 16:13:05,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:13:05,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-05-02 16:13:05,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1655, Invalid=1767, Unknown=0, NotChecked=0, Total=3422 [2021-05-02 16:13:05,969 INFO L87 Difference]: Start difference. First operand 515 states and 571 transitions. Second operand has 59 states, 59 states have (on average 6.728813559322034) internal successors, (397), 58 states have internal predecessors, (397), 58 states have call successors, (60), 58 states have call predecessors, (60), 56 states have return successors, (58), 56 states have call predecessors, (58), 57 states have call successors, (58) [2021-05-02 16:13:07,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:13:07,728 INFO L93 Difference]: Finished difference Result 529 states and 586 transitions. [2021-05-02 16:13:07,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2021-05-02 16:13:07,729 INFO L78 Accepts]: Start accepts. Automaton has has 59 states, 59 states have (on average 6.728813559322034) internal successors, (397), 58 states have internal predecessors, (397), 58 states have call successors, (60), 58 states have call predecessors, (60), 56 states have return successors, (58), 56 states have call predecessors, (58), 57 states have call successors, (58) Word has length 518 [2021-05-02 16:13:07,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:13:07,730 INFO L225 Difference]: With dead ends: 529 [2021-05-02 16:13:07,730 INFO L226 Difference]: Without dead ends: 524 [2021-05-02 16:13:07,731 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 572 GetRequests, 460 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1540 ImplicationChecksByTransitivity, 2430.7ms TimeCoverageRelationStatistics Valid=4845, Invalid=8037, Unknown=0, NotChecked=0, Total=12882 [2021-05-02 16:13:07,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2021-05-02 16:13:07,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 524. [2021-05-02 16:13:07,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 404 states have (on average 1.141089108910891) internal successors, (461), 404 states have internal predecessors, (461), 61 states have call successors, (61), 60 states have call predecessors, (61), 58 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2021-05-02 16:13:07,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 581 transitions. [2021-05-02 16:13:07,740 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 581 transitions. Word has length 518 [2021-05-02 16:13:07,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:13:07,741 INFO L480 AbstractCegarLoop]: Abstraction has 524 states and 581 transitions. [2021-05-02 16:13:07,741 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 59 states, 59 states have (on average 6.728813559322034) internal successors, (397), 58 states have internal predecessors, (397), 58 states have call successors, (60), 58 states have call predecessors, (60), 56 states have return successors, (58), 56 states have call predecessors, (58), 57 states have call successors, (58) [2021-05-02 16:13:07,741 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 581 transitions. [2021-05-02 16:13:07,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2021-05-02 16:13:07,743 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:13:07,743 INFO L523 BasicCegarLoop]: trace histogram [57, 57, 56, 56, 56, 56, 56, 56, 56, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:13:07,959 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-05-02 16:13:07,959 INFO L428 AbstractCegarLoop]: === Iteration 60 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:13:07,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:13:07,960 INFO L82 PathProgramCache]: Analyzing trace with hash 549029910, now seen corresponding path program 56 times [2021-05-02 16:13:07,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:13:07,960 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076239164] [2021-05-02 16:13:07,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:13:07,965 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:13:07,965 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1340735487] [2021-05-02 16:13:07,965 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:13:08,154 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 16:13:08,155 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:13:08,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 1415 conjuncts, 117 conjunts are in the unsatisfiable core [2021-05-02 16:13:08,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:13:08,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:08,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:09,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:10,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:10,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:10,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:10,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:10,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:10,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:10,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:10,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:10,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:10,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:10,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:10,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:10,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:10,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:10,284 INFO L134 CoverageAnalysis]: Checked inductivity of 14088 backedges. 112 proven. 13972 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:13:10,284 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:13:10,284 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076239164] [2021-05-02 16:13:10,284 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:13:10,284 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340735487] [2021-05-02 16:13:10,284 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340735487] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:13:10,284 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:13:10,284 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60] total 60 [2021-05-02 16:13:10,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093045526] [2021-05-02 16:13:10,285 INFO L460 AbstractCegarLoop]: Interpolant automaton has 60 states [2021-05-02 16:13:10,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:13:10,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2021-05-02 16:13:10,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1713, Invalid=1827, Unknown=0, NotChecked=0, Total=3540 [2021-05-02 16:13:10,286 INFO L87 Difference]: Start difference. First operand 524 states and 581 transitions. Second operand has 60 states, 60 states have (on average 6.733333333333333) internal successors, (404), 59 states have internal predecessors, (404), 59 states have call successors, (61), 59 states have call predecessors, (61), 57 states have return successors, (59), 57 states have call predecessors, (59), 58 states have call successors, (59) [2021-05-02 16:13:12,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:13:12,287 INFO L93 Difference]: Finished difference Result 538 states and 596 transitions. [2021-05-02 16:13:12,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-05-02 16:13:12,288 INFO L78 Accepts]: Start accepts. Automaton has has 60 states, 60 states have (on average 6.733333333333333) internal successors, (404), 59 states have internal predecessors, (404), 59 states have call successors, (61), 59 states have call predecessors, (61), 57 states have return successors, (59), 57 states have call predecessors, (59), 58 states have call successors, (59) Word has length 527 [2021-05-02 16:13:12,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:13:12,289 INFO L225 Difference]: With dead ends: 538 [2021-05-02 16:13:12,289 INFO L226 Difference]: Without dead ends: 533 [2021-05-02 16:13:12,290 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 582 GetRequests, 468 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1596 ImplicationChecksByTransitivity, 2902.7ms TimeCoverageRelationStatistics Valid=5017, Invalid=8323, Unknown=0, NotChecked=0, Total=13340 [2021-05-02 16:13:12,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2021-05-02 16:13:12,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 533. [2021-05-02 16:13:12,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 411 states have (on average 1.1411192214111923) internal successors, (469), 411 states have internal predecessors, (469), 62 states have call successors, (62), 61 states have call predecessors, (62), 59 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2021-05-02 16:13:12,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 591 transitions. [2021-05-02 16:13:12,299 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 591 transitions. Word has length 527 [2021-05-02 16:13:12,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:13:12,300 INFO L480 AbstractCegarLoop]: Abstraction has 533 states and 591 transitions. [2021-05-02 16:13:12,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 60 states, 60 states have (on average 6.733333333333333) internal successors, (404), 59 states have internal predecessors, (404), 59 states have call successors, (61), 59 states have call predecessors, (61), 57 states have return successors, (59), 57 states have call predecessors, (59), 58 states have call successors, (59) [2021-05-02 16:13:12,300 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 591 transitions. [2021-05-02 16:13:12,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2021-05-02 16:13:12,302 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:13:12,302 INFO L523 BasicCegarLoop]: trace histogram [58, 58, 57, 57, 57, 57, 57, 57, 57, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:13:12,519 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2021-05-02 16:13:12,519 INFO L428 AbstractCegarLoop]: === Iteration 61 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:13:12,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:13:12,519 INFO L82 PathProgramCache]: Analyzing trace with hash 881405980, now seen corresponding path program 57 times [2021-05-02 16:13:12,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:13:12,519 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638018009] [2021-05-02 16:13:12,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:13:12,525 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:13:12,525 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [928970682] [2021-05-02 16:13:12,525 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:13:12,890 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 58 check-sat command(s) [2021-05-02 16:13:12,890 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:13:12,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 1438 conjuncts, 119 conjunts are in the unsatisfiable core [2021-05-02 16:13:12,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:13:12,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:12,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:12,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:12,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:12,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:12,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:12,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:12,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:12,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:12,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:12,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:12,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:12,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:12,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:12,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:12,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:12,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:12,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:13,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:14,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:15,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:15,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:15,080 INFO L134 CoverageAnalysis]: Checked inductivity of 14596 backedges. 114 proven. 14478 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:13:15,080 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:13:15,080 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638018009] [2021-05-02 16:13:15,080 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:13:15,080 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928970682] [2021-05-02 16:13:15,080 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [928970682] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:13:15,080 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:13:15,080 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61] total 61 [2021-05-02 16:13:15,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767903089] [2021-05-02 16:13:15,081 INFO L460 AbstractCegarLoop]: Interpolant automaton has 61 states [2021-05-02 16:13:15,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:13:15,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-05-02 16:13:15,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1772, Invalid=1888, Unknown=0, NotChecked=0, Total=3660 [2021-05-02 16:13:15,082 INFO L87 Difference]: Start difference. First operand 533 states and 591 transitions. Second operand has 61 states, 61 states have (on average 6.737704918032787) internal successors, (411), 60 states have internal predecessors, (411), 60 states have call successors, (62), 60 states have call predecessors, (62), 58 states have return successors, (60), 58 states have call predecessors, (60), 59 states have call successors, (60) [2021-05-02 16:13:17,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:13:17,134 INFO L93 Difference]: Finished difference Result 547 states and 606 transitions. [2021-05-02 16:13:17,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2021-05-02 16:13:17,135 INFO L78 Accepts]: Start accepts. Automaton has has 61 states, 61 states have (on average 6.737704918032787) internal successors, (411), 60 states have internal predecessors, (411), 60 states have call successors, (62), 60 states have call predecessors, (62), 58 states have return successors, (60), 58 states have call predecessors, (60), 59 states have call successors, (60) Word has length 536 [2021-05-02 16:13:17,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:13:17,136 INFO L225 Difference]: With dead ends: 547 [2021-05-02 16:13:17,136 INFO L226 Difference]: Without dead ends: 542 [2021-05-02 16:13:17,137 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 592 GetRequests, 476 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1653 ImplicationChecksByTransitivity, 2979.2ms TimeCoverageRelationStatistics Valid=5192, Invalid=8614, Unknown=0, NotChecked=0, Total=13806 [2021-05-02 16:13:17,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2021-05-02 16:13:17,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 542. [2021-05-02 16:13:17,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 418 states have (on average 1.1411483253588517) internal successors, (477), 418 states have internal predecessors, (477), 63 states have call successors, (63), 62 states have call predecessors, (63), 60 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2021-05-02 16:13:17,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 601 transitions. [2021-05-02 16:13:17,147 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 601 transitions. Word has length 536 [2021-05-02 16:13:17,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:13:17,147 INFO L480 AbstractCegarLoop]: Abstraction has 542 states and 601 transitions. [2021-05-02 16:13:17,147 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 61 states, 61 states have (on average 6.737704918032787) internal successors, (411), 60 states have internal predecessors, (411), 60 states have call successors, (62), 60 states have call predecessors, (62), 58 states have return successors, (60), 58 states have call predecessors, (60), 59 states have call successors, (60) [2021-05-02 16:13:17,147 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 601 transitions. [2021-05-02 16:13:17,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2021-05-02 16:13:17,150 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:13:17,150 INFO L523 BasicCegarLoop]: trace histogram [59, 59, 58, 58, 58, 58, 58, 58, 58, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:13:17,367 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,61 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:13:17,368 INFO L428 AbstractCegarLoop]: === Iteration 62 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:13:17,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:13:17,368 INFO L82 PathProgramCache]: Analyzing trace with hash -443601194, now seen corresponding path program 58 times [2021-05-02 16:13:17,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:13:17,368 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197195282] [2021-05-02 16:13:17,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:13:17,373 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:13:17,373 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1552491752] [2021-05-02 16:13:17,373 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:13:17,573 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 16:13:17,573 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:13:17,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 1461 conjuncts, 121 conjunts are in the unsatisfiable core [2021-05-02 16:13:17,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:13:17,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:17,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:18,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:19,929 INFO L134 CoverageAnalysis]: Checked inductivity of 15113 backedges. 116 proven. 14993 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:13:19,929 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:13:19,929 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197195282] [2021-05-02 16:13:19,929 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:13:19,930 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552491752] [2021-05-02 16:13:19,930 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552491752] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:13:19,930 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:13:19,930 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62] total 62 [2021-05-02 16:13:19,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810905825] [2021-05-02 16:13:19,930 INFO L460 AbstractCegarLoop]: Interpolant automaton has 62 states [2021-05-02 16:13:19,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:13:19,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-05-02 16:13:19,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1832, Invalid=1950, Unknown=0, NotChecked=0, Total=3782 [2021-05-02 16:13:19,931 INFO L87 Difference]: Start difference. First operand 542 states and 601 transitions. Second operand has 62 states, 62 states have (on average 6.741935483870968) internal successors, (418), 61 states have internal predecessors, (418), 61 states have call successors, (63), 61 states have call predecessors, (63), 59 states have return successors, (61), 59 states have call predecessors, (61), 60 states have call successors, (61) [2021-05-02 16:13:22,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:13:22,070 INFO L93 Difference]: Finished difference Result 556 states and 616 transitions. [2021-05-02 16:13:22,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-05-02 16:13:22,071 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 62 states have (on average 6.741935483870968) internal successors, (418), 61 states have internal predecessors, (418), 61 states have call successors, (63), 61 states have call predecessors, (63), 59 states have return successors, (61), 59 states have call predecessors, (61), 60 states have call successors, (61) Word has length 545 [2021-05-02 16:13:22,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:13:22,072 INFO L225 Difference]: With dead ends: 556 [2021-05-02 16:13:22,072 INFO L226 Difference]: Without dead ends: 551 [2021-05-02 16:13:22,073 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 602 GetRequests, 484 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1711 ImplicationChecksByTransitivity, 3158.9ms TimeCoverageRelationStatistics Valid=5370, Invalid=8910, Unknown=0, NotChecked=0, Total=14280 [2021-05-02 16:13:22,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2021-05-02 16:13:22,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 551. [2021-05-02 16:13:22,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 425 states have (on average 1.1411764705882352) internal successors, (485), 425 states have internal predecessors, (485), 64 states have call successors, (64), 63 states have call predecessors, (64), 61 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2021-05-02 16:13:22,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 611 transitions. [2021-05-02 16:13:22,083 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 611 transitions. Word has length 545 [2021-05-02 16:13:22,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:13:22,084 INFO L480 AbstractCegarLoop]: Abstraction has 551 states and 611 transitions. [2021-05-02 16:13:22,084 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 62 states, 62 states have (on average 6.741935483870968) internal successors, (418), 61 states have internal predecessors, (418), 61 states have call successors, (63), 61 states have call predecessors, (63), 59 states have return successors, (61), 59 states have call predecessors, (61), 60 states have call successors, (61) [2021-05-02 16:13:22,084 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 611 transitions. [2021-05-02 16:13:22,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2021-05-02 16:13:22,086 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:13:22,086 INFO L523 BasicCegarLoop]: trace histogram [60, 60, 59, 59, 59, 59, 59, 59, 59, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:13:22,300 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,62 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:13:22,301 INFO L428 AbstractCegarLoop]: === Iteration 63 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:13:22,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:13:22,301 INFO L82 PathProgramCache]: Analyzing trace with hash -440196772, now seen corresponding path program 59 times [2021-05-02 16:13:22,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:13:22,301 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805597367] [2021-05-02 16:13:22,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:13:22,307 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:13:22,307 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1972825561] [2021-05-02 16:13:22,307 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:13:22,608 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 60 check-sat command(s) [2021-05-02 16:13:22,608 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:13:22,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 1484 conjuncts, 123 conjunts are in the unsatisfiable core [2021-05-02 16:13:22,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:13:22,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:22,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:23,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:24,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:25,025 INFO L134 CoverageAnalysis]: Checked inductivity of 15639 backedges. 118 proven. 15517 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:13:25,025 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:13:25,025 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805597367] [2021-05-02 16:13:25,025 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:13:25,025 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1972825561] [2021-05-02 16:13:25,025 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1972825561] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:13:25,025 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:13:25,025 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63] total 63 [2021-05-02 16:13:25,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509300843] [2021-05-02 16:13:25,026 INFO L460 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-05-02 16:13:25,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:13:25,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-05-02 16:13:25,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1893, Invalid=2013, Unknown=0, NotChecked=0, Total=3906 [2021-05-02 16:13:25,027 INFO L87 Difference]: Start difference. First operand 551 states and 611 transitions. Second operand has 63 states, 63 states have (on average 6.746031746031746) internal successors, (425), 62 states have internal predecessors, (425), 62 states have call successors, (64), 62 states have call predecessors, (64), 60 states have return successors, (62), 60 states have call predecessors, (62), 61 states have call successors, (62) [2021-05-02 16:13:27,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:13:27,172 INFO L93 Difference]: Finished difference Result 565 states and 626 transitions. [2021-05-02 16:13:27,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-05-02 16:13:27,173 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 63 states have (on average 6.746031746031746) internal successors, (425), 62 states have internal predecessors, (425), 62 states have call successors, (64), 62 states have call predecessors, (64), 60 states have return successors, (62), 60 states have call predecessors, (62), 61 states have call successors, (62) Word has length 554 [2021-05-02 16:13:27,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:13:27,174 INFO L225 Difference]: With dead ends: 565 [2021-05-02 16:13:27,174 INFO L226 Difference]: Without dead ends: 560 [2021-05-02 16:13:27,175 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 612 GetRequests, 492 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1770 ImplicationChecksByTransitivity, 3203.1ms TimeCoverageRelationStatistics Valid=5551, Invalid=9211, Unknown=0, NotChecked=0, Total=14762 [2021-05-02 16:13:27,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2021-05-02 16:13:27,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2021-05-02 16:13:27,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 432 states have (on average 1.1412037037037037) internal successors, (493), 432 states have internal predecessors, (493), 65 states have call successors, (65), 64 states have call predecessors, (65), 62 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2021-05-02 16:13:27,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 621 transitions. [2021-05-02 16:13:27,185 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 621 transitions. Word has length 554 [2021-05-02 16:13:27,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:13:27,185 INFO L480 AbstractCegarLoop]: Abstraction has 560 states and 621 transitions. [2021-05-02 16:13:27,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 63 states, 63 states have (on average 6.746031746031746) internal successors, (425), 62 states have internal predecessors, (425), 62 states have call successors, (64), 62 states have call predecessors, (64), 60 states have return successors, (62), 60 states have call predecessors, (62), 61 states have call successors, (62) [2021-05-02 16:13:27,186 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 621 transitions. [2021-05-02 16:13:27,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 564 [2021-05-02 16:13:27,188 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:13:27,188 INFO L523 BasicCegarLoop]: trace histogram [61, 61, 60, 60, 60, 60, 60, 60, 60, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:13:27,405 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,63 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:13:27,405 INFO L428 AbstractCegarLoop]: === Iteration 64 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:13:27,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:13:27,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1169119850, now seen corresponding path program 60 times [2021-05-02 16:13:27,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:13:27,406 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747259051] [2021-05-02 16:13:27,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:13:27,411 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:13:27,411 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1220764911] [2021-05-02 16:13:27,411 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:13:27,881 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 61 check-sat command(s) [2021-05-02 16:13:27,882 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:13:27,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 1507 conjuncts, 125 conjunts are in the unsatisfiable core [2021-05-02 16:13:27,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:13:27,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:27,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:27,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:27,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:27,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:27,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:27,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:27,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:27,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:27,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:27,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:27,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:27,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:27,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:27,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:27,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:27,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:27,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:28,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:29,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:30,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:30,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:30,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:30,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:30,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:30,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:30,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:30,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:30,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:30,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:30,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:30,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:30,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:30,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:30,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:30,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:30,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:30,383 INFO L134 CoverageAnalysis]: Checked inductivity of 16174 backedges. 120 proven. 16050 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:13:30,383 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:13:30,383 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747259051] [2021-05-02 16:13:30,383 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:13:30,383 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220764911] [2021-05-02 16:13:30,383 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220764911] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:13:30,383 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:13:30,383 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64] total 64 [2021-05-02 16:13:30,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471111606] [2021-05-02 16:13:30,384 INFO L460 AbstractCegarLoop]: Interpolant automaton has 64 states [2021-05-02 16:13:30,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:13:30,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2021-05-02 16:13:30,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1955, Invalid=2077, Unknown=0, NotChecked=0, Total=4032 [2021-05-02 16:13:30,385 INFO L87 Difference]: Start difference. First operand 560 states and 621 transitions. Second operand has 64 states, 64 states have (on average 6.75) internal successors, (432), 63 states have internal predecessors, (432), 63 states have call successors, (65), 63 states have call predecessors, (65), 61 states have return successors, (63), 61 states have call predecessors, (63), 62 states have call successors, (63) [2021-05-02 16:13:32,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:13:32,712 INFO L93 Difference]: Finished difference Result 574 states and 636 transitions. [2021-05-02 16:13:32,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-05-02 16:13:32,713 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 64 states have (on average 6.75) internal successors, (432), 63 states have internal predecessors, (432), 63 states have call successors, (65), 63 states have call predecessors, (65), 61 states have return successors, (63), 61 states have call predecessors, (63), 62 states have call successors, (63) Word has length 563 [2021-05-02 16:13:32,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:13:32,714 INFO L225 Difference]: With dead ends: 574 [2021-05-02 16:13:32,714 INFO L226 Difference]: Without dead ends: 569 [2021-05-02 16:13:32,715 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 622 GetRequests, 500 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1830 ImplicationChecksByTransitivity, 3438.5ms TimeCoverageRelationStatistics Valid=5735, Invalid=9517, Unknown=0, NotChecked=0, Total=15252 [2021-05-02 16:13:32,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2021-05-02 16:13:32,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 569. [2021-05-02 16:13:32,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 439 states have (on average 1.14123006833713) internal successors, (501), 439 states have internal predecessors, (501), 66 states have call successors, (66), 65 states have call predecessors, (66), 63 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2021-05-02 16:13:32,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 631 transitions. [2021-05-02 16:13:32,725 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 631 transitions. Word has length 563 [2021-05-02 16:13:32,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:13:32,725 INFO L480 AbstractCegarLoop]: Abstraction has 569 states and 631 transitions. [2021-05-02 16:13:32,726 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 64 states, 64 states have (on average 6.75) internal successors, (432), 63 states have internal predecessors, (432), 63 states have call successors, (65), 63 states have call predecessors, (65), 61 states have return successors, (63), 61 states have call predecessors, (63), 62 states have call successors, (63) [2021-05-02 16:13:32,726 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 631 transitions. [2021-05-02 16:13:32,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2021-05-02 16:13:32,728 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:13:32,728 INFO L523 BasicCegarLoop]: trace histogram [62, 62, 61, 61, 61, 61, 61, 61, 61, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:13:32,934 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,64 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:13:32,934 INFO L428 AbstractCegarLoop]: === Iteration 65 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:13:32,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:13:32,935 INFO L82 PathProgramCache]: Analyzing trace with hash -346340708, now seen corresponding path program 61 times [2021-05-02 16:13:32,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:13:32,935 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155952566] [2021-05-02 16:13:32,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:13:32,940 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:13:32,941 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1034651424] [2021-05-02 16:13:32,941 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:13:33,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 16:13:33,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 1530 conjuncts, 127 conjunts are in the unsatisfiable core [2021-05-02 16:13:33,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:13:33,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:33,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:34,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:35,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:35,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:35,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:35,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:35,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:35,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:35,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:35,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:35,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:35,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:35,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:35,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:35,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:35,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:35,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:35,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:35,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:35,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:35,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:35,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:35,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:35,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:35,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:35,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:35,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:35,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:35,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:35,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:35,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:35,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:35,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:35,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:35,670 INFO L134 CoverageAnalysis]: Checked inductivity of 16718 backedges. 122 proven. 16592 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:13:35,671 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:13:35,671 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155952566] [2021-05-02 16:13:35,671 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:13:35,671 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034651424] [2021-05-02 16:13:35,671 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1034651424] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:13:35,671 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:13:35,671 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65] total 65 [2021-05-02 16:13:35,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713564287] [2021-05-02 16:13:35,672 INFO L460 AbstractCegarLoop]: Interpolant automaton has 65 states [2021-05-02 16:13:35,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:13:35,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-05-02 16:13:35,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2018, Invalid=2142, Unknown=0, NotChecked=0, Total=4160 [2021-05-02 16:13:35,672 INFO L87 Difference]: Start difference. First operand 569 states and 631 transitions. Second operand has 65 states, 65 states have (on average 6.753846153846154) internal successors, (439), 64 states have internal predecessors, (439), 64 states have call successors, (66), 64 states have call predecessors, (66), 62 states have return successors, (64), 62 states have call predecessors, (64), 63 states have call successors, (64) [2021-05-02 16:13:37,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:13:37,660 INFO L93 Difference]: Finished difference Result 583 states and 646 transitions. [2021-05-02 16:13:37,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-05-02 16:13:37,661 INFO L78 Accepts]: Start accepts. Automaton has has 65 states, 65 states have (on average 6.753846153846154) internal successors, (439), 64 states have internal predecessors, (439), 64 states have call successors, (66), 64 states have call predecessors, (66), 62 states have return successors, (64), 62 states have call predecessors, (64), 63 states have call successors, (64) Word has length 572 [2021-05-02 16:13:37,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:13:37,662 INFO L225 Difference]: With dead ends: 583 [2021-05-02 16:13:37,662 INFO L226 Difference]: Without dead ends: 578 [2021-05-02 16:13:37,664 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 632 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1891 ImplicationChecksByTransitivity, 3187.1ms TimeCoverageRelationStatistics Valid=5922, Invalid=9828, Unknown=0, NotChecked=0, Total=15750 [2021-05-02 16:13:37,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2021-05-02 16:13:37,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 578. [2021-05-02 16:13:37,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 578 states, 446 states have (on average 1.141255605381166) internal successors, (509), 446 states have internal predecessors, (509), 67 states have call successors, (67), 66 states have call predecessors, (67), 64 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2021-05-02 16:13:37,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 641 transitions. [2021-05-02 16:13:37,674 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 641 transitions. Word has length 572 [2021-05-02 16:13:37,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:13:37,674 INFO L480 AbstractCegarLoop]: Abstraction has 578 states and 641 transitions. [2021-05-02 16:13:37,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 65 states, 65 states have (on average 6.753846153846154) internal successors, (439), 64 states have internal predecessors, (439), 64 states have call successors, (66), 64 states have call predecessors, (66), 62 states have return successors, (64), 62 states have call predecessors, (64), 63 states have call successors, (64) [2021-05-02 16:13:37,675 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 641 transitions. [2021-05-02 16:13:37,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2021-05-02 16:13:37,677 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:13:37,677 INFO L523 BasicCegarLoop]: trace histogram [63, 63, 62, 62, 62, 62, 62, 62, 62, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:13:37,892 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64,65 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:13:37,893 INFO L428 AbstractCegarLoop]: === Iteration 66 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:13:37,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:13:37,893 INFO L82 PathProgramCache]: Analyzing trace with hash 162131030, now seen corresponding path program 62 times [2021-05-02 16:13:37,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:13:37,893 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15201379] [2021-05-02 16:13:37,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:13:37,898 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:13:37,899 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1712854455] [2021-05-02 16:13:37,899 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:13:38,068 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 16:13:38,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:13:38,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 1553 conjuncts, 129 conjunts are in the unsatisfiable core [2021-05-02 16:13:38,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:13:38,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:38,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:39,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:40,790 INFO L134 CoverageAnalysis]: Checked inductivity of 17271 backedges. 124 proven. 17143 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:13:40,790 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:13:40,790 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15201379] [2021-05-02 16:13:40,790 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:13:40,790 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712854455] [2021-05-02 16:13:40,791 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712854455] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:13:40,791 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:13:40,791 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66] total 66 [2021-05-02 16:13:40,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172375460] [2021-05-02 16:13:40,791 INFO L460 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-05-02 16:13:40,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:13:40,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-05-02 16:13:40,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2082, Invalid=2208, Unknown=0, NotChecked=0, Total=4290 [2021-05-02 16:13:40,792 INFO L87 Difference]: Start difference. First operand 578 states and 641 transitions. Second operand has 66 states, 66 states have (on average 6.757575757575758) internal successors, (446), 65 states have internal predecessors, (446), 65 states have call successors, (67), 65 states have call predecessors, (67), 63 states have return successors, (65), 63 states have call predecessors, (65), 64 states have call successors, (65) [2021-05-02 16:13:43,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:13:43,223 INFO L93 Difference]: Finished difference Result 592 states and 656 transitions. [2021-05-02 16:13:43,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-05-02 16:13:43,223 INFO L78 Accepts]: Start accepts. Automaton has has 66 states, 66 states have (on average 6.757575757575758) internal successors, (446), 65 states have internal predecessors, (446), 65 states have call successors, (67), 65 states have call predecessors, (67), 63 states have return successors, (65), 63 states have call predecessors, (65), 64 states have call successors, (65) Word has length 581 [2021-05-02 16:13:43,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:13:43,225 INFO L225 Difference]: With dead ends: 592 [2021-05-02 16:13:43,225 INFO L226 Difference]: Without dead ends: 587 [2021-05-02 16:13:43,226 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 642 GetRequests, 516 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1953 ImplicationChecksByTransitivity, 3679.9ms TimeCoverageRelationStatistics Valid=6112, Invalid=10144, Unknown=0, NotChecked=0, Total=16256 [2021-05-02 16:13:43,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2021-05-02 16:13:43,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 587. [2021-05-02 16:13:43,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 453 states have (on average 1.141280353200883) internal successors, (517), 453 states have internal predecessors, (517), 68 states have call successors, (68), 67 states have call predecessors, (68), 65 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2021-05-02 16:13:43,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 651 transitions. [2021-05-02 16:13:43,237 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 651 transitions. Word has length 581 [2021-05-02 16:13:43,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:13:43,237 INFO L480 AbstractCegarLoop]: Abstraction has 587 states and 651 transitions. [2021-05-02 16:13:43,238 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 66 states, 66 states have (on average 6.757575757575758) internal successors, (446), 65 states have internal predecessors, (446), 65 states have call successors, (67), 65 states have call predecessors, (67), 63 states have return successors, (65), 63 states have call predecessors, (65), 64 states have call successors, (65) [2021-05-02 16:13:43,238 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 651 transitions. [2021-05-02 16:13:43,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 591 [2021-05-02 16:13:43,240 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:13:43,241 INFO L523 BasicCegarLoop]: trace histogram [64, 64, 63, 63, 63, 63, 63, 63, 63, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:13:43,456 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2021-05-02 16:13:43,472 INFO L428 AbstractCegarLoop]: === Iteration 67 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:13:43,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:13:43,473 INFO L82 PathProgramCache]: Analyzing trace with hash 472224732, now seen corresponding path program 63 times [2021-05-02 16:13:43,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:13:43,473 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096444672] [2021-05-02 16:13:43,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:13:43,487 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:13:43,487 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1735325271] [2021-05-02 16:13:43,487 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:13:43,908 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 64 check-sat command(s) [2021-05-02 16:13:43,908 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:13:43,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 131 conjunts are in the unsatisfiable core [2021-05-02 16:13:43,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:13:43,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:43,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:43,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:43,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:43,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:43,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:43,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:43,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:43,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:43,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:43,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:43,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:43,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:43,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:43,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:44,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:45,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:46,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:46,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:46,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:46,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:46,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:46,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:46,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:46,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:46,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:46,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:46,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:46,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:46,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:46,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:46,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:46,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:46,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:46,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:46,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:46,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:46,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:46,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:46,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:46,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:46,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:46,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:46,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:46,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:46,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:46,667 INFO L134 CoverageAnalysis]: Checked inductivity of 17833 backedges. 126 proven. 17703 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:13:46,668 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:13:46,668 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096444672] [2021-05-02 16:13:46,668 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:13:46,668 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735325271] [2021-05-02 16:13:46,668 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735325271] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:13:46,668 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:13:46,668 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67] total 67 [2021-05-02 16:13:46,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018761298] [2021-05-02 16:13:46,668 INFO L460 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-05-02 16:13:46,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:13:46,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-05-02 16:13:46,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2147, Invalid=2275, Unknown=0, NotChecked=0, Total=4422 [2021-05-02 16:13:46,669 INFO L87 Difference]: Start difference. First operand 587 states and 651 transitions. Second operand has 67 states, 67 states have (on average 6.7611940298507465) internal successors, (453), 66 states have internal predecessors, (453), 66 states have call successors, (68), 66 states have call predecessors, (68), 64 states have return successors, (66), 64 states have call predecessors, (66), 65 states have call successors, (66) [2021-05-02 16:13:49,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:13:49,175 INFO L93 Difference]: Finished difference Result 601 states and 666 transitions. [2021-05-02 16:13:49,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-05-02 16:13:49,176 INFO L78 Accepts]: Start accepts. Automaton has has 67 states, 67 states have (on average 6.7611940298507465) internal successors, (453), 66 states have internal predecessors, (453), 66 states have call successors, (68), 66 states have call predecessors, (68), 64 states have return successors, (66), 64 states have call predecessors, (66), 65 states have call successors, (66) Word has length 590 [2021-05-02 16:13:49,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:13:49,177 INFO L225 Difference]: With dead ends: 601 [2021-05-02 16:13:49,177 INFO L226 Difference]: Without dead ends: 596 [2021-05-02 16:13:49,178 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 652 GetRequests, 524 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2016 ImplicationChecksByTransitivity, 3738.5ms TimeCoverageRelationStatistics Valid=6305, Invalid=10465, Unknown=0, NotChecked=0, Total=16770 [2021-05-02 16:13:49,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2021-05-02 16:13:49,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 596. [2021-05-02 16:13:49,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 460 states have (on average 1.141304347826087) internal successors, (525), 460 states have internal predecessors, (525), 69 states have call successors, (69), 68 states have call predecessors, (69), 66 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2021-05-02 16:13:49,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 661 transitions. [2021-05-02 16:13:49,189 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 661 transitions. Word has length 590 [2021-05-02 16:13:49,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:13:49,189 INFO L480 AbstractCegarLoop]: Abstraction has 596 states and 661 transitions. [2021-05-02 16:13:49,189 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 67 states, 67 states have (on average 6.7611940298507465) internal successors, (453), 66 states have internal predecessors, (453), 66 states have call successors, (68), 66 states have call predecessors, (68), 64 states have return successors, (66), 64 states have call predecessors, (66), 65 states have call successors, (66) [2021-05-02 16:13:49,189 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 661 transitions. [2021-05-02 16:13:49,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2021-05-02 16:13:49,192 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:13:49,192 INFO L523 BasicCegarLoop]: trace histogram [65, 65, 64, 64, 64, 64, 64, 64, 64, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:13:49,410 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 67 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2021-05-02 16:13:49,410 INFO L428 AbstractCegarLoop]: === Iteration 68 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:13:49,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:13:49,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1799815958, now seen corresponding path program 64 times [2021-05-02 16:13:49,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:13:49,410 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841276492] [2021-05-02 16:13:49,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:13:49,429 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:13:49,429 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [114590626] [2021-05-02 16:13:49,429 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:13:49,627 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 16:13:49,627 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:13:49,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 1599 conjuncts, 133 conjunts are in the unsatisfiable core [2021-05-02 16:13:49,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:13:49,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:49,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:50,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:51,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:52,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:52,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:52,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:52,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:52,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:52,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:52,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:52,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:52,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:52,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:52,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:52,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:52,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:52,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:52,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:52,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:52,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:52,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:52,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:52,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:52,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:52,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:52,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:52,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:52,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:52,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:52,586 INFO L134 CoverageAnalysis]: Checked inductivity of 18404 backedges. 128 proven. 18272 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:13:52,586 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:13:52,587 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841276492] [2021-05-02 16:13:52,587 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:13:52,587 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114590626] [2021-05-02 16:13:52,587 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114590626] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:13:52,587 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:13:52,587 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [68] total 68 [2021-05-02 16:13:52,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749530130] [2021-05-02 16:13:52,587 INFO L460 AbstractCegarLoop]: Interpolant automaton has 68 states [2021-05-02 16:13:52,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:13:52,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2021-05-02 16:13:52,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2213, Invalid=2343, Unknown=0, NotChecked=0, Total=4556 [2021-05-02 16:13:52,588 INFO L87 Difference]: Start difference. First operand 596 states and 661 transitions. Second operand has 68 states, 68 states have (on average 6.764705882352941) internal successors, (460), 67 states have internal predecessors, (460), 67 states have call successors, (69), 67 states have call predecessors, (69), 65 states have return successors, (67), 65 states have call predecessors, (67), 66 states have call successors, (67) [2021-05-02 16:13:55,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:13:55,083 INFO L93 Difference]: Finished difference Result 610 states and 676 transitions. [2021-05-02 16:13:55,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2021-05-02 16:13:55,084 INFO L78 Accepts]: Start accepts. Automaton has has 68 states, 68 states have (on average 6.764705882352941) internal successors, (460), 67 states have internal predecessors, (460), 67 states have call successors, (69), 67 states have call predecessors, (69), 65 states have return successors, (67), 65 states have call predecessors, (67), 66 states have call successors, (67) Word has length 599 [2021-05-02 16:13:55,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:13:55,086 INFO L225 Difference]: With dead ends: 610 [2021-05-02 16:13:55,086 INFO L226 Difference]: Without dead ends: 605 [2021-05-02 16:13:55,087 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 662 GetRequests, 532 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2080 ImplicationChecksByTransitivity, 3822.1ms TimeCoverageRelationStatistics Valid=6501, Invalid=10791, Unknown=0, NotChecked=0, Total=17292 [2021-05-02 16:13:55,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2021-05-02 16:13:55,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 605. [2021-05-02 16:13:55,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 467 states have (on average 1.1413276231263383) internal successors, (533), 467 states have internal predecessors, (533), 70 states have call successors, (70), 69 states have call predecessors, (70), 67 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2021-05-02 16:13:55,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 671 transitions. [2021-05-02 16:13:55,122 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 671 transitions. Word has length 599 [2021-05-02 16:13:55,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:13:55,122 INFO L480 AbstractCegarLoop]: Abstraction has 605 states and 671 transitions. [2021-05-02 16:13:55,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 68 states, 68 states have (on average 6.764705882352941) internal successors, (460), 67 states have internal predecessors, (460), 67 states have call successors, (69), 67 states have call predecessors, (69), 65 states have return successors, (67), 65 states have call predecessors, (67), 66 states have call successors, (67) [2021-05-02 16:13:55,123 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 671 transitions. [2021-05-02 16:13:55,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2021-05-02 16:13:55,125 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:13:55,126 INFO L523 BasicCegarLoop]: trace histogram [66, 66, 65, 65, 65, 65, 65, 65, 65, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:13:55,343 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67,68 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:13:55,343 INFO L428 AbstractCegarLoop]: === Iteration 69 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:13:55,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:13:55,344 INFO L82 PathProgramCache]: Analyzing trace with hash -1040837348, now seen corresponding path program 65 times [2021-05-02 16:13:55,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:13:55,344 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730937538] [2021-05-02 16:13:55,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:13:55,349 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:13:55,349 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [567836985] [2021-05-02 16:13:55,350 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:13:55,699 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 66 check-sat command(s) [2021-05-02 16:13:55,699 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:13:55,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 1622 conjuncts, 135 conjunts are in the unsatisfiable core [2021-05-02 16:13:55,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:13:55,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:55,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:56,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:57,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:58,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:58,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:58,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:58,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:58,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:58,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:58,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:58,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:58,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:58,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:58,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:58,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:58,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:58,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:58,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:58,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:58,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:58,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:58,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:58,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:58,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:58,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:58,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:58,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:58,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:58,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:13:58,586 INFO L134 CoverageAnalysis]: Checked inductivity of 18984 backedges. 130 proven. 18850 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:13:58,586 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:13:58,586 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730937538] [2021-05-02 16:13:58,586 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:13:58,586 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567836985] [2021-05-02 16:13:58,586 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567836985] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:13:58,586 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:13:58,586 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69] total 69 [2021-05-02 16:13:58,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672634699] [2021-05-02 16:13:58,587 INFO L460 AbstractCegarLoop]: Interpolant automaton has 69 states [2021-05-02 16:13:58,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:13:58,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-05-02 16:13:58,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2280, Invalid=2412, Unknown=0, NotChecked=0, Total=4692 [2021-05-02 16:13:58,588 INFO L87 Difference]: Start difference. First operand 605 states and 671 transitions. Second operand has 69 states, 69 states have (on average 6.768115942028985) internal successors, (467), 68 states have internal predecessors, (467), 68 states have call successors, (70), 68 states have call predecessors, (70), 66 states have return successors, (68), 66 states have call predecessors, (68), 67 states have call successors, (68) [2021-05-02 16:14:01,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:14:01,124 INFO L93 Difference]: Finished difference Result 619 states and 686 transitions. [2021-05-02 16:14:01,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-05-02 16:14:01,125 INFO L78 Accepts]: Start accepts. Automaton has has 69 states, 69 states have (on average 6.768115942028985) internal successors, (467), 68 states have internal predecessors, (467), 68 states have call successors, (70), 68 states have call predecessors, (70), 66 states have return successors, (68), 66 states have call predecessors, (68), 67 states have call successors, (68) Word has length 608 [2021-05-02 16:14:01,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:14:01,126 INFO L225 Difference]: With dead ends: 619 [2021-05-02 16:14:01,126 INFO L226 Difference]: Without dead ends: 614 [2021-05-02 16:14:01,128 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 672 GetRequests, 540 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2145 ImplicationChecksByTransitivity, 3874.7ms TimeCoverageRelationStatistics Valid=6700, Invalid=11122, Unknown=0, NotChecked=0, Total=17822 [2021-05-02 16:14:01,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2021-05-02 16:14:01,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 614. [2021-05-02 16:14:01,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 474 states have (on average 1.141350210970464) internal successors, (541), 474 states have internal predecessors, (541), 71 states have call successors, (71), 70 states have call predecessors, (71), 68 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2021-05-02 16:14:01,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 681 transitions. [2021-05-02 16:14:01,165 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 681 transitions. Word has length 608 [2021-05-02 16:14:01,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:14:01,165 INFO L480 AbstractCegarLoop]: Abstraction has 614 states and 681 transitions. [2021-05-02 16:14:01,166 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 69 states, 69 states have (on average 6.768115942028985) internal successors, (467), 68 states have internal predecessors, (467), 68 states have call successors, (70), 68 states have call predecessors, (70), 66 states have return successors, (68), 66 states have call predecessors, (68), 67 states have call successors, (68) [2021-05-02 16:14:01,166 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 681 transitions. [2021-05-02 16:14:01,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 618 [2021-05-02 16:14:01,169 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:14:01,169 INFO L523 BasicCegarLoop]: trace histogram [67, 67, 66, 66, 66, 66, 66, 66, 66, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:14:01,369 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2021-05-02 16:14:01,369 INFO L428 AbstractCegarLoop]: === Iteration 70 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:14:01,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:14:01,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1674832342, now seen corresponding path program 66 times [2021-05-02 16:14:01,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:14:01,370 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648117787] [2021-05-02 16:14:01,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:14:01,375 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:14:01,375 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2016671833] [2021-05-02 16:14:01,375 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:14:01,913 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 67 check-sat command(s) [2021-05-02 16:14:01,913 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:14:01,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 1645 conjuncts, 137 conjunts are in the unsatisfiable core [2021-05-02 16:14:01,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:14:01,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:01,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:01,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:01,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:01,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:01,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:01,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:01,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:01,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:01,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:01,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:01,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:01,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:01,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:01,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:02,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:03,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:04,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:04,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:04,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:04,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:04,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:04,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:04,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:04,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:04,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:04,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:04,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:04,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:04,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:04,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:04,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:04,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:04,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:04,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:04,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:04,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:04,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:04,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:04,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:04,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:04,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:04,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:04,554 INFO L134 CoverageAnalysis]: Checked inductivity of 19573 backedges. 132 proven. 19437 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:14:04,554 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:14:04,554 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648117787] [2021-05-02 16:14:04,554 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:14:04,554 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016671833] [2021-05-02 16:14:04,554 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016671833] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:14:04,555 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:14:04,555 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [70] total 70 [2021-05-02 16:14:04,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422118101] [2021-05-02 16:14:04,555 INFO L460 AbstractCegarLoop]: Interpolant automaton has 70 states [2021-05-02 16:14:04,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:14:04,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-05-02 16:14:04,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2348, Invalid=2482, Unknown=0, NotChecked=0, Total=4830 [2021-05-02 16:14:04,556 INFO L87 Difference]: Start difference. First operand 614 states and 681 transitions. Second operand has 70 states, 70 states have (on average 6.771428571428571) internal successors, (474), 69 states have internal predecessors, (474), 69 states have call successors, (71), 69 states have call predecessors, (71), 67 states have return successors, (69), 67 states have call predecessors, (69), 68 states have call successors, (69) [2021-05-02 16:14:06,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:14:06,907 INFO L93 Difference]: Finished difference Result 628 states and 696 transitions. [2021-05-02 16:14:06,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2021-05-02 16:14:06,908 INFO L78 Accepts]: Start accepts. Automaton has has 70 states, 70 states have (on average 6.771428571428571) internal successors, (474), 69 states have internal predecessors, (474), 69 states have call successors, (71), 69 states have call predecessors, (71), 67 states have return successors, (69), 67 states have call predecessors, (69), 68 states have call successors, (69) Word has length 617 [2021-05-02 16:14:06,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:14:06,910 INFO L225 Difference]: With dead ends: 628 [2021-05-02 16:14:06,910 INFO L226 Difference]: Without dead ends: 623 [2021-05-02 16:14:06,911 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 682 GetRequests, 548 SyntacticMatches, 0 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2211 ImplicationChecksByTransitivity, 3530.5ms TimeCoverageRelationStatistics Valid=6902, Invalid=11458, Unknown=0, NotChecked=0, Total=18360 [2021-05-02 16:14:06,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2021-05-02 16:14:06,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 623. [2021-05-02 16:14:06,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 481 states have (on average 1.1413721413721414) internal successors, (549), 481 states have internal predecessors, (549), 72 states have call successors, (72), 71 states have call predecessors, (72), 69 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2021-05-02 16:14:06,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 691 transitions. [2021-05-02 16:14:06,922 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 691 transitions. Word has length 617 [2021-05-02 16:14:06,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:14:06,922 INFO L480 AbstractCegarLoop]: Abstraction has 623 states and 691 transitions. [2021-05-02 16:14:06,922 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 70 states, 70 states have (on average 6.771428571428571) internal successors, (474), 69 states have internal predecessors, (474), 69 states have call successors, (71), 69 states have call predecessors, (71), 67 states have return successors, (69), 67 states have call predecessors, (69), 68 states have call successors, (69) [2021-05-02 16:14:06,922 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 691 transitions. [2021-05-02 16:14:06,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2021-05-02 16:14:06,925 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:14:06,925 INFO L523 BasicCegarLoop]: trace histogram [68, 68, 67, 67, 67, 67, 67, 67, 67, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:14:07,131 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 70 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2021-05-02 16:14:07,131 INFO L428 AbstractCegarLoop]: === Iteration 71 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:14:07,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:14:07,132 INFO L82 PathProgramCache]: Analyzing trace with hash -643774884, now seen corresponding path program 67 times [2021-05-02 16:14:07,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:14:07,132 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719360431] [2021-05-02 16:14:07,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:14:07,137 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:14:07,137 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1359048831] [2021-05-02 16:14:07,138 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 71 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 71 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:14:07,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 16:14:07,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 1668 conjuncts, 139 conjunts are in the unsatisfiable core [2021-05-02 16:14:07,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:14:07,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:07,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:08,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:09,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:10,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:10,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:10,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:10,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:10,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:10,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:10,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:10,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:10,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:10,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:10,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:10,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:10,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:10,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:10,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:10,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:10,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:10,322 INFO L134 CoverageAnalysis]: Checked inductivity of 20171 backedges. 134 proven. 20033 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:14:10,322 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:14:10,322 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719360431] [2021-05-02 16:14:10,322 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:14:10,322 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359048831] [2021-05-02 16:14:10,322 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1359048831] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:14:10,322 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:14:10,323 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71] total 71 [2021-05-02 16:14:10,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529282511] [2021-05-02 16:14:10,323 INFO L460 AbstractCegarLoop]: Interpolant automaton has 71 states [2021-05-02 16:14:10,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:14:10,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2021-05-02 16:14:10,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2417, Invalid=2553, Unknown=0, NotChecked=0, Total=4970 [2021-05-02 16:14:10,332 INFO L87 Difference]: Start difference. First operand 623 states and 691 transitions. Second operand has 71 states, 71 states have (on average 6.774647887323944) internal successors, (481), 70 states have internal predecessors, (481), 70 states have call successors, (72), 70 states have call predecessors, (72), 68 states have return successors, (70), 68 states have call predecessors, (70), 69 states have call successors, (70) [2021-05-02 16:14:12,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:14:12,911 INFO L93 Difference]: Finished difference Result 637 states and 706 transitions. [2021-05-02 16:14:12,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2021-05-02 16:14:12,911 INFO L78 Accepts]: Start accepts. Automaton has has 71 states, 71 states have (on average 6.774647887323944) internal successors, (481), 70 states have internal predecessors, (481), 70 states have call successors, (72), 70 states have call predecessors, (72), 68 states have return successors, (70), 68 states have call predecessors, (70), 69 states have call successors, (70) Word has length 626 [2021-05-02 16:14:12,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:14:12,913 INFO L225 Difference]: With dead ends: 637 [2021-05-02 16:14:12,913 INFO L226 Difference]: Without dead ends: 632 [2021-05-02 16:14:12,914 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 692 GetRequests, 556 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2278 ImplicationChecksByTransitivity, 3947.7ms TimeCoverageRelationStatistics Valid=7107, Invalid=11799, Unknown=0, NotChecked=0, Total=18906 [2021-05-02 16:14:12,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2021-05-02 16:14:12,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 632. [2021-05-02 16:14:12,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 488 states have (on average 1.1413934426229508) internal successors, (557), 488 states have internal predecessors, (557), 73 states have call successors, (73), 72 states have call predecessors, (73), 70 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2021-05-02 16:14:12,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 701 transitions. [2021-05-02 16:14:12,926 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 701 transitions. Word has length 626 [2021-05-02 16:14:12,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:14:12,926 INFO L480 AbstractCegarLoop]: Abstraction has 632 states and 701 transitions. [2021-05-02 16:14:12,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 71 states, 71 states have (on average 6.774647887323944) internal successors, (481), 70 states have internal predecessors, (481), 70 states have call successors, (72), 70 states have call predecessors, (72), 68 states have return successors, (70), 68 states have call predecessors, (70), 69 states have call successors, (70) [2021-05-02 16:14:12,926 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 701 transitions. [2021-05-02 16:14:12,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2021-05-02 16:14:12,952 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:14:12,952 INFO L523 BasicCegarLoop]: trace histogram [69, 69, 68, 68, 68, 68, 68, 68, 68, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:14:13,169 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable70 [2021-05-02 16:14:13,169 INFO L428 AbstractCegarLoop]: === Iteration 72 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:14:13,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:14:13,169 INFO L82 PathProgramCache]: Analyzing trace with hash 620535958, now seen corresponding path program 68 times [2021-05-02 16:14:13,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:14:13,170 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856147903] [2021-05-02 16:14:13,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:14:13,175 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:14:13,175 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1094405889] [2021-05-02 16:14:13,175 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:14:13,370 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 16:14:13,370 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:14:13,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 1691 conjuncts, 141 conjunts are in the unsatisfiable core [2021-05-02 16:14:13,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:14:13,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:13,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:14,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:15,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:16,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:16,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:16,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:16,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:16,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:16,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:16,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:16,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:16,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:16,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:16,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:16,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:16,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:16,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:16,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:16,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:16,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:16,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:16,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:16,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:16,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:16,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:16,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:16,493 INFO L134 CoverageAnalysis]: Checked inductivity of 20778 backedges. 136 proven. 20638 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:14:16,493 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:14:16,494 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856147903] [2021-05-02 16:14:16,494 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:14:16,494 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094405889] [2021-05-02 16:14:16,494 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094405889] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:14:16,494 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:14:16,494 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [72] total 72 [2021-05-02 16:14:16,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242980086] [2021-05-02 16:14:16,494 INFO L460 AbstractCegarLoop]: Interpolant automaton has 72 states [2021-05-02 16:14:16,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:14:16,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2021-05-02 16:14:16,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2487, Invalid=2625, Unknown=0, NotChecked=0, Total=5112 [2021-05-02 16:14:16,495 INFO L87 Difference]: Start difference. First operand 632 states and 701 transitions. Second operand has 72 states, 72 states have (on average 6.777777777777778) internal successors, (488), 71 states have internal predecessors, (488), 71 states have call successors, (73), 71 states have call predecessors, (73), 69 states have return successors, (71), 69 states have call predecessors, (71), 70 states have call successors, (71) [2021-05-02 16:14:19,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:14:19,319 INFO L93 Difference]: Finished difference Result 646 states and 716 transitions. [2021-05-02 16:14:19,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2021-05-02 16:14:19,319 INFO L78 Accepts]: Start accepts. Automaton has has 72 states, 72 states have (on average 6.777777777777778) internal successors, (488), 71 states have internal predecessors, (488), 71 states have call successors, (73), 71 states have call predecessors, (73), 69 states have return successors, (71), 69 states have call predecessors, (71), 70 states have call successors, (71) Word has length 635 [2021-05-02 16:14:19,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:14:19,321 INFO L225 Difference]: With dead ends: 646 [2021-05-02 16:14:19,321 INFO L226 Difference]: Without dead ends: 641 [2021-05-02 16:14:19,322 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 702 GetRequests, 564 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2346 ImplicationChecksByTransitivity, 4234.0ms TimeCoverageRelationStatistics Valid=7315, Invalid=12145, Unknown=0, NotChecked=0, Total=19460 [2021-05-02 16:14:19,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2021-05-02 16:14:19,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 641. [2021-05-02 16:14:19,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 495 states have (on average 1.1414141414141414) internal successors, (565), 495 states have internal predecessors, (565), 74 states have call successors, (74), 73 states have call predecessors, (74), 71 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2021-05-02 16:14:19,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 711 transitions. [2021-05-02 16:14:19,333 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 711 transitions. Word has length 635 [2021-05-02 16:14:19,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:14:19,333 INFO L480 AbstractCegarLoop]: Abstraction has 641 states and 711 transitions. [2021-05-02 16:14:19,334 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 72 states, 72 states have (on average 6.777777777777778) internal successors, (488), 71 states have internal predecessors, (488), 71 states have call successors, (73), 71 states have call predecessors, (73), 69 states have return successors, (71), 69 states have call predecessors, (71), 70 states have call successors, (71) [2021-05-02 16:14:19,334 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 711 transitions. [2021-05-02 16:14:19,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 645 [2021-05-02 16:14:19,337 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:14:19,337 INFO L523 BasicCegarLoop]: trace histogram [70, 70, 69, 69, 69, 69, 69, 69, 69, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:14:19,554 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,72 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:14:19,554 INFO L428 AbstractCegarLoop]: === Iteration 73 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:14:19,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:14:19,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1392093084, now seen corresponding path program 69 times [2021-05-02 16:14:19,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:14:19,554 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491265584] [2021-05-02 16:14:19,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:14:19,560 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:14:19,560 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1221242811] [2021-05-02 16:14:19,560 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:14:20,059 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 70 check-sat command(s) [2021-05-02 16:14:20,059 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:14:20,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 1714 conjuncts, 143 conjunts are in the unsatisfiable core [2021-05-02 16:14:20,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:14:20,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:20,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:21,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:22,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:23,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:23,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:23,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:23,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:23,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:23,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:23,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:23,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:23,235 INFO L134 CoverageAnalysis]: Checked inductivity of 21394 backedges. 138 proven. 21252 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:14:23,235 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:14:23,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491265584] [2021-05-02 16:14:23,236 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:14:23,236 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221242811] [2021-05-02 16:14:23,236 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1221242811] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:14:23,236 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:14:23,236 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73] total 73 [2021-05-02 16:14:23,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889079098] [2021-05-02 16:14:23,236 INFO L460 AbstractCegarLoop]: Interpolant automaton has 73 states [2021-05-02 16:14:23,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:14:23,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2021-05-02 16:14:23,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2558, Invalid=2698, Unknown=0, NotChecked=0, Total=5256 [2021-05-02 16:14:23,237 INFO L87 Difference]: Start difference. First operand 641 states and 711 transitions. Second operand has 73 states, 73 states have (on average 6.780821917808219) internal successors, (495), 72 states have internal predecessors, (495), 72 states have call successors, (74), 72 states have call predecessors, (74), 70 states have return successors, (72), 70 states have call predecessors, (72), 71 states have call successors, (72) [2021-05-02 16:14:26,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:14:26,149 INFO L93 Difference]: Finished difference Result 655 states and 726 transitions. [2021-05-02 16:14:26,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2021-05-02 16:14:26,150 INFO L78 Accepts]: Start accepts. Automaton has has 73 states, 73 states have (on average 6.780821917808219) internal successors, (495), 72 states have internal predecessors, (495), 72 states have call successors, (74), 72 states have call predecessors, (74), 70 states have return successors, (72), 70 states have call predecessors, (72), 71 states have call successors, (72) Word has length 644 [2021-05-02 16:14:26,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:14:26,152 INFO L225 Difference]: With dead ends: 655 [2021-05-02 16:14:26,152 INFO L226 Difference]: Without dead ends: 650 [2021-05-02 16:14:26,153 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 712 GetRequests, 572 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2415 ImplicationChecksByTransitivity, 4330.2ms TimeCoverageRelationStatistics Valid=7526, Invalid=12496, Unknown=0, NotChecked=0, Total=20022 [2021-05-02 16:14:26,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2021-05-02 16:14:26,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 650. [2021-05-02 16:14:26,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 502 states have (on average 1.1414342629482073) internal successors, (573), 502 states have internal predecessors, (573), 75 states have call successors, (75), 74 states have call predecessors, (75), 72 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2021-05-02 16:14:26,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 721 transitions. [2021-05-02 16:14:26,164 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 721 transitions. Word has length 644 [2021-05-02 16:14:26,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:14:26,165 INFO L480 AbstractCegarLoop]: Abstraction has 650 states and 721 transitions. [2021-05-02 16:14:26,165 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 73 states, 73 states have (on average 6.780821917808219) internal successors, (495), 72 states have internal predecessors, (495), 72 states have call successors, (74), 72 states have call predecessors, (74), 70 states have return successors, (72), 70 states have call predecessors, (72), 71 states have call successors, (72) [2021-05-02 16:14:26,165 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 721 transitions. [2021-05-02 16:14:26,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 654 [2021-05-02 16:14:26,168 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:14:26,169 INFO L523 BasicCegarLoop]: trace histogram [71, 71, 70, 70, 70, 70, 70, 70, 70, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:14:26,385 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,73 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:14:26,385 INFO L428 AbstractCegarLoop]: === Iteration 74 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:14:26,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:14:26,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1298999126, now seen corresponding path program 70 times [2021-05-02 16:14:26,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:14:26,385 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906241248] [2021-05-02 16:14:26,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:14:26,391 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:14:26,392 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1100721664] [2021-05-02 16:14:26,392 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 74 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 74 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:14:26,612 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 16:14:26,612 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:14:26,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 1737 conjuncts, 145 conjunts are in the unsatisfiable core [2021-05-02 16:14:26,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:14:26,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:26,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:27,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:28,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:29,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:29,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:29,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:29,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:29,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:29,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:29,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:29,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:29,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:29,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:29,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:29,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:29,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:29,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:29,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:29,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:29,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:29,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:29,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:29,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:29,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:29,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:29,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:29,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:29,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:29,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:29,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:29,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:29,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:29,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:29,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:29,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:29,772 INFO L134 CoverageAnalysis]: Checked inductivity of 22019 backedges. 140 proven. 21875 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:14:29,772 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:14:29,773 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906241248] [2021-05-02 16:14:29,773 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:14:29,773 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100721664] [2021-05-02 16:14:29,773 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1100721664] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:14:29,773 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:14:29,773 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [74] total 74 [2021-05-02 16:14:29,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259950958] [2021-05-02 16:14:29,773 INFO L460 AbstractCegarLoop]: Interpolant automaton has 74 states [2021-05-02 16:14:29,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:14:29,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2021-05-02 16:14:29,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2630, Invalid=2772, Unknown=0, NotChecked=0, Total=5402 [2021-05-02 16:14:29,774 INFO L87 Difference]: Start difference. First operand 650 states and 721 transitions. Second operand has 74 states, 74 states have (on average 6.783783783783784) internal successors, (502), 73 states have internal predecessors, (502), 73 states have call successors, (75), 73 states have call predecessors, (75), 71 states have return successors, (73), 71 states have call predecessors, (73), 72 states have call successors, (73) [2021-05-02 16:14:32,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:14:32,371 INFO L93 Difference]: Finished difference Result 664 states and 736 transitions. [2021-05-02 16:14:32,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2021-05-02 16:14:32,371 INFO L78 Accepts]: Start accepts. Automaton has has 74 states, 74 states have (on average 6.783783783783784) internal successors, (502), 73 states have internal predecessors, (502), 73 states have call successors, (75), 73 states have call predecessors, (75), 71 states have return successors, (73), 71 states have call predecessors, (73), 72 states have call successors, (73) Word has length 653 [2021-05-02 16:14:32,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:14:32,373 INFO L225 Difference]: With dead ends: 664 [2021-05-02 16:14:32,373 INFO L226 Difference]: Without dead ends: 659 [2021-05-02 16:14:32,374 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 722 GetRequests, 580 SyntacticMatches, 0 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2485 ImplicationChecksByTransitivity, 4071.5ms TimeCoverageRelationStatistics Valid=7740, Invalid=12852, Unknown=0, NotChecked=0, Total=20592 [2021-05-02 16:14:32,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2021-05-02 16:14:32,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 659. [2021-05-02 16:14:32,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 509 states have (on average 1.1414538310412574) internal successors, (581), 509 states have internal predecessors, (581), 76 states have call successors, (76), 75 states have call predecessors, (76), 73 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2021-05-02 16:14:32,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 731 transitions. [2021-05-02 16:14:32,402 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 731 transitions. Word has length 653 [2021-05-02 16:14:32,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:14:32,402 INFO L480 AbstractCegarLoop]: Abstraction has 659 states and 731 transitions. [2021-05-02 16:14:32,402 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 74 states, 74 states have (on average 6.783783783783784) internal successors, (502), 73 states have internal predecessors, (502), 73 states have call successors, (75), 73 states have call predecessors, (75), 71 states have return successors, (73), 71 states have call predecessors, (73), 72 states have call successors, (73) [2021-05-02 16:14:32,403 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 731 transitions. [2021-05-02 16:14:32,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 663 [2021-05-02 16:14:32,406 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:14:32,406 INFO L523 BasicCegarLoop]: trace histogram [72, 72, 71, 71, 71, 71, 71, 71, 71, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:14:32,606 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,74 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:14:32,606 INFO L428 AbstractCegarLoop]: === Iteration 75 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:14:32,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:14:32,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1356118236, now seen corresponding path program 71 times [2021-05-02 16:14:32,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:14:32,607 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603483329] [2021-05-02 16:14:32,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:14:32,613 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:14:32,613 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [158687469] [2021-05-02 16:14:32,613 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:14:32,989 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 72 check-sat command(s) [2021-05-02 16:14:32,989 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:14:32,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 1760 conjuncts, 147 conjunts are in the unsatisfiable core [2021-05-02 16:14:32,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:14:33,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:33,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:34,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:35,882 INFO L134 CoverageAnalysis]: Checked inductivity of 22653 backedges. 142 proven. 22507 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:14:35,882 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:14:35,882 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603483329] [2021-05-02 16:14:35,882 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:14:35,882 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [158687469] [2021-05-02 16:14:35,882 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [158687469] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:14:35,882 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:14:35,882 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75] total 75 [2021-05-02 16:14:35,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293027281] [2021-05-02 16:14:35,883 INFO L460 AbstractCegarLoop]: Interpolant automaton has 75 states [2021-05-02 16:14:35,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:14:35,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2021-05-02 16:14:35,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2703, Invalid=2847, Unknown=0, NotChecked=0, Total=5550 [2021-05-02 16:14:35,884 INFO L87 Difference]: Start difference. First operand 659 states and 731 transitions. Second operand has 75 states, 75 states have (on average 6.786666666666667) internal successors, (509), 74 states have internal predecessors, (509), 74 states have call successors, (76), 74 states have call predecessors, (76), 72 states have return successors, (74), 72 states have call predecessors, (74), 73 states have call successors, (74) [2021-05-02 16:14:38,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:14:38,924 INFO L93 Difference]: Finished difference Result 673 states and 746 transitions. [2021-05-02 16:14:38,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2021-05-02 16:14:38,925 INFO L78 Accepts]: Start accepts. Automaton has has 75 states, 75 states have (on average 6.786666666666667) internal successors, (509), 74 states have internal predecessors, (509), 74 states have call successors, (76), 74 states have call predecessors, (76), 72 states have return successors, (74), 72 states have call predecessors, (74), 73 states have call successors, (74) Word has length 662 [2021-05-02 16:14:38,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:14:38,927 INFO L225 Difference]: With dead ends: 673 [2021-05-02 16:14:38,927 INFO L226 Difference]: Without dead ends: 668 [2021-05-02 16:14:38,928 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 732 GetRequests, 588 SyntacticMatches, 0 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2556 ImplicationChecksByTransitivity, 4314.0ms TimeCoverageRelationStatistics Valid=7957, Invalid=13213, Unknown=0, NotChecked=0, Total=21170 [2021-05-02 16:14:38,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2021-05-02 16:14:38,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 668. [2021-05-02 16:14:38,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 668 states, 516 states have (on average 1.1414728682170543) internal successors, (589), 516 states have internal predecessors, (589), 77 states have call successors, (77), 76 states have call predecessors, (77), 74 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2021-05-02 16:14:38,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 741 transitions. [2021-05-02 16:14:38,940 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 741 transitions. Word has length 662 [2021-05-02 16:14:38,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:14:38,940 INFO L480 AbstractCegarLoop]: Abstraction has 668 states and 741 transitions. [2021-05-02 16:14:38,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 75 states, 75 states have (on average 6.786666666666667) internal successors, (509), 74 states have internal predecessors, (509), 74 states have call successors, (76), 74 states have call predecessors, (76), 72 states have return successors, (74), 72 states have call predecessors, (74), 73 states have call successors, (74) [2021-05-02 16:14:38,940 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 741 transitions. [2021-05-02 16:14:38,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 672 [2021-05-02 16:14:38,968 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:14:38,968 INFO L523 BasicCegarLoop]: trace histogram [73, 73, 72, 72, 72, 72, 72, 72, 72, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:14:39,185 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 75 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable74 [2021-05-02 16:14:39,185 INFO L428 AbstractCegarLoop]: === Iteration 76 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:14:39,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:14:39,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1462665706, now seen corresponding path program 72 times [2021-05-02 16:14:39,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:14:39,185 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898937839] [2021-05-02 16:14:39,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:14:39,191 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:14:39,191 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1444298096] [2021-05-02 16:14:39,191 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 76 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 76 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:14:39,853 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 73 check-sat command(s) [2021-05-02 16:14:39,854 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:14:39,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 1783 conjuncts, 149 conjunts are in the unsatisfiable core [2021-05-02 16:14:39,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:14:39,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:39,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:39,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:39,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:39,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:39,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:39,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:39,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:39,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:39,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:39,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:39,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:39,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:39,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:39,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:39,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:39,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:39,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:39,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:40,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:41,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:42,971 INFO L134 CoverageAnalysis]: Checked inductivity of 23296 backedges. 144 proven. 23148 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:14:42,971 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:14:42,971 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898937839] [2021-05-02 16:14:42,971 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:14:42,971 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444298096] [2021-05-02 16:14:42,971 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444298096] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:14:42,971 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:14:42,972 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [76] total 76 [2021-05-02 16:14:42,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429429391] [2021-05-02 16:14:42,972 INFO L460 AbstractCegarLoop]: Interpolant automaton has 76 states [2021-05-02 16:14:42,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:14:42,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2021-05-02 16:14:42,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2777, Invalid=2923, Unknown=0, NotChecked=0, Total=5700 [2021-05-02 16:14:42,973 INFO L87 Difference]: Start difference. First operand 668 states and 741 transitions. Second operand has 76 states, 76 states have (on average 6.7894736842105265) internal successors, (516), 75 states have internal predecessors, (516), 75 states have call successors, (77), 75 states have call predecessors, (77), 73 states have return successors, (75), 73 states have call predecessors, (75), 74 states have call successors, (75) [2021-05-02 16:14:45,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:14:45,802 INFO L93 Difference]: Finished difference Result 682 states and 756 transitions. [2021-05-02 16:14:45,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2021-05-02 16:14:45,803 INFO L78 Accepts]: Start accepts. Automaton has has 76 states, 76 states have (on average 6.7894736842105265) internal successors, (516), 75 states have internal predecessors, (516), 75 states have call successors, (77), 75 states have call predecessors, (77), 73 states have return successors, (75), 73 states have call predecessors, (75), 74 states have call successors, (75) Word has length 671 [2021-05-02 16:14:45,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:14:45,805 INFO L225 Difference]: With dead ends: 682 [2021-05-02 16:14:45,805 INFO L226 Difference]: Without dead ends: 677 [2021-05-02 16:14:45,806 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 742 GetRequests, 596 SyntacticMatches, 0 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2628 ImplicationChecksByTransitivity, 4245.4ms TimeCoverageRelationStatistics Valid=8177, Invalid=13579, Unknown=0, NotChecked=0, Total=21756 [2021-05-02 16:14:45,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2021-05-02 16:14:45,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 677. [2021-05-02 16:14:45,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 677 states, 523 states have (on average 1.1414913957934991) internal successors, (597), 523 states have internal predecessors, (597), 78 states have call successors, (78), 77 states have call predecessors, (78), 75 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2021-05-02 16:14:45,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 751 transitions. [2021-05-02 16:14:45,835 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 751 transitions. Word has length 671 [2021-05-02 16:14:45,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:14:45,835 INFO L480 AbstractCegarLoop]: Abstraction has 677 states and 751 transitions. [2021-05-02 16:14:45,836 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 76 states, 76 states have (on average 6.7894736842105265) internal successors, (516), 75 states have internal predecessors, (516), 75 states have call successors, (77), 75 states have call predecessors, (77), 73 states have return successors, (75), 73 states have call predecessors, (75), 74 states have call successors, (75) [2021-05-02 16:14:45,836 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 751 transitions. [2021-05-02 16:14:45,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2021-05-02 16:14:45,839 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:14:45,839 INFO L523 BasicCegarLoop]: trace histogram [74, 74, 73, 73, 73, 73, 73, 73, 73, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:14:46,046 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75,76 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:14:46,046 INFO L428 AbstractCegarLoop]: === Iteration 77 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:14:46,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:14:46,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1761999388, now seen corresponding path program 73 times [2021-05-02 16:14:46,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:14:46,047 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642496619] [2021-05-02 16:14:46,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:14:46,060 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:14:46,060 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1781937984] [2021-05-02 16:14:46,060 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 77 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 77 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:14:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 16:14:46,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 1806 conjuncts, 151 conjunts are in the unsatisfiable core [2021-05-02 16:14:46,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:14:46,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:46,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:47,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:48,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:49,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:49,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:49,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:49,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:49,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:49,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:49,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:49,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:49,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:49,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:49,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:49,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:49,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:49,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:49,246 INFO L134 CoverageAnalysis]: Checked inductivity of 23948 backedges. 146 proven. 23798 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:14:49,247 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:14:49,247 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642496619] [2021-05-02 16:14:49,247 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:14:49,247 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781937984] [2021-05-02 16:14:49,247 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1781937984] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:14:49,247 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:14:49,247 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [77] total 77 [2021-05-02 16:14:49,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52940002] [2021-05-02 16:14:49,247 INFO L460 AbstractCegarLoop]: Interpolant automaton has 77 states [2021-05-02 16:14:49,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:14:49,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2021-05-02 16:14:49,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2852, Invalid=3000, Unknown=0, NotChecked=0, Total=5852 [2021-05-02 16:14:49,248 INFO L87 Difference]: Start difference. First operand 677 states and 751 transitions. Second operand has 77 states, 77 states have (on average 6.792207792207792) internal successors, (523), 76 states have internal predecessors, (523), 76 states have call successors, (78), 76 states have call predecessors, (78), 74 states have return successors, (76), 74 states have call predecessors, (76), 75 states have call successors, (76) [2021-05-02 16:14:52,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:14:52,263 INFO L93 Difference]: Finished difference Result 691 states and 766 transitions. [2021-05-02 16:14:52,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2021-05-02 16:14:52,264 INFO L78 Accepts]: Start accepts. Automaton has has 77 states, 77 states have (on average 6.792207792207792) internal successors, (523), 76 states have internal predecessors, (523), 76 states have call successors, (78), 76 states have call predecessors, (78), 74 states have return successors, (76), 74 states have call predecessors, (76), 75 states have call successors, (76) Word has length 680 [2021-05-02 16:14:52,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:14:52,266 INFO L225 Difference]: With dead ends: 691 [2021-05-02 16:14:52,266 INFO L226 Difference]: Without dead ends: 686 [2021-05-02 16:14:52,267 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 752 GetRequests, 604 SyntacticMatches, 0 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2701 ImplicationChecksByTransitivity, 4271.1ms TimeCoverageRelationStatistics Valid=8400, Invalid=13950, Unknown=0, NotChecked=0, Total=22350 [2021-05-02 16:14:52,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2021-05-02 16:14:52,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 686. [2021-05-02 16:14:52,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 530 states have (on average 1.1415094339622642) internal successors, (605), 530 states have internal predecessors, (605), 79 states have call successors, (79), 78 states have call predecessors, (79), 76 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2021-05-02 16:14:52,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 761 transitions. [2021-05-02 16:14:52,278 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 761 transitions. Word has length 680 [2021-05-02 16:14:52,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:14:52,279 INFO L480 AbstractCegarLoop]: Abstraction has 686 states and 761 transitions. [2021-05-02 16:14:52,279 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 77 states, 77 states have (on average 6.792207792207792) internal successors, (523), 76 states have internal predecessors, (523), 76 states have call successors, (78), 76 states have call predecessors, (78), 74 states have return successors, (76), 74 states have call predecessors, (76), 75 states have call successors, (76) [2021-05-02 16:14:52,279 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 761 transitions. [2021-05-02 16:14:52,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 690 [2021-05-02 16:14:52,283 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:14:52,283 INFO L523 BasicCegarLoop]: trace histogram [75, 75, 74, 74, 74, 74, 74, 74, 74, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:14:52,499 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76,77 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:14:52,500 INFO L428 AbstractCegarLoop]: === Iteration 78 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:14:52,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:14:52,500 INFO L82 PathProgramCache]: Analyzing trace with hash -271211306, now seen corresponding path program 74 times [2021-05-02 16:14:52,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:14:52,500 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906341578] [2021-05-02 16:14:52,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:14:52,506 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:14:52,506 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [256972622] [2021-05-02 16:14:52,506 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 78 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 78 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:14:52,731 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 16:14:52,731 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:14:52,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 1829 conjuncts, 153 conjunts are in the unsatisfiable core [2021-05-02 16:14:52,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:14:52,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:52,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:52,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:52,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:52,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:52,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:52,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:52,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:52,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:52,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:52,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:52,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:52,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:52,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:52,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:52,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:52,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:52,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:52,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:52,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:52,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:52,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:52,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:52,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:52,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:52,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:52,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:52,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:52,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:52,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:52,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:52,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:52,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:53,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:54,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:55,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:56,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:56,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:56,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:56,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:56,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:56,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:56,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:56,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:56,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:56,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:56,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:14:56,336 INFO L134 CoverageAnalysis]: Checked inductivity of 24609 backedges. 148 proven. 24457 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:14:56,337 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:14:56,337 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906341578] [2021-05-02 16:14:56,337 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:14:56,337 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256972622] [2021-05-02 16:14:56,337 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256972622] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:14:56,337 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:14:56,337 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [78] total 78 [2021-05-02 16:14:56,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526008128] [2021-05-02 16:14:56,338 INFO L460 AbstractCegarLoop]: Interpolant automaton has 78 states [2021-05-02 16:14:56,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:14:56,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2021-05-02 16:14:56,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2928, Invalid=3078, Unknown=0, NotChecked=0, Total=6006 [2021-05-02 16:14:56,339 INFO L87 Difference]: Start difference. First operand 686 states and 761 transitions. Second operand has 78 states, 78 states have (on average 6.794871794871795) internal successors, (530), 77 states have internal predecessors, (530), 77 states have call successors, (79), 77 states have call predecessors, (79), 75 states have return successors, (77), 75 states have call predecessors, (77), 76 states have call successors, (77) [2021-05-02 16:14:59,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:14:59,710 INFO L93 Difference]: Finished difference Result 700 states and 776 transitions. [2021-05-02 16:14:59,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2021-05-02 16:14:59,711 INFO L78 Accepts]: Start accepts. Automaton has has 78 states, 78 states have (on average 6.794871794871795) internal successors, (530), 77 states have internal predecessors, (530), 77 states have call successors, (79), 77 states have call predecessors, (79), 75 states have return successors, (77), 75 states have call predecessors, (77), 76 states have call successors, (77) Word has length 689 [2021-05-02 16:14:59,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:14:59,713 INFO L225 Difference]: With dead ends: 700 [2021-05-02 16:14:59,713 INFO L226 Difference]: Without dead ends: 695 [2021-05-02 16:14:59,714 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 762 GetRequests, 612 SyntacticMatches, 0 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2775 ImplicationChecksByTransitivity, 5011.7ms TimeCoverageRelationStatistics Valid=8626, Invalid=14326, Unknown=0, NotChecked=0, Total=22952 [2021-05-02 16:14:59,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2021-05-02 16:14:59,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 695. [2021-05-02 16:14:59,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 537 states have (on average 1.1415270018621975) internal successors, (613), 537 states have internal predecessors, (613), 80 states have call successors, (80), 79 states have call predecessors, (80), 77 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2021-05-02 16:14:59,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 771 transitions. [2021-05-02 16:14:59,725 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 771 transitions. Word has length 689 [2021-05-02 16:14:59,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:14:59,726 INFO L480 AbstractCegarLoop]: Abstraction has 695 states and 771 transitions. [2021-05-02 16:14:59,726 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 78 states, 78 states have (on average 6.794871794871795) internal successors, (530), 77 states have internal predecessors, (530), 77 states have call successors, (79), 77 states have call predecessors, (79), 75 states have return successors, (77), 75 states have call predecessors, (77), 76 states have call successors, (77) [2021-05-02 16:14:59,726 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 771 transitions. [2021-05-02 16:14:59,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 699 [2021-05-02 16:14:59,730 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:14:59,730 INFO L523 BasicCegarLoop]: trace histogram [76, 76, 75, 75, 75, 75, 75, 75, 75, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:14:59,946 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 78 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable77 [2021-05-02 16:14:59,947 INFO L428 AbstractCegarLoop]: === Iteration 79 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:14:59,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:14:59,947 INFO L82 PathProgramCache]: Analyzing trace with hash -463377572, now seen corresponding path program 75 times [2021-05-02 16:14:59,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:14:59,947 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822421088] [2021-05-02 16:14:59,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:14:59,953 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:14:59,953 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1419535505] [2021-05-02 16:14:59,953 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 79 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 79 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:15:00,555 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 76 check-sat command(s) [2021-05-02 16:15:00,555 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:15:00,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 1852 conjuncts, 155 conjunts are in the unsatisfiable core [2021-05-02 16:15:00,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:15:00,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:00,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:01,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:02,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:03,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:04,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:04,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:04,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:04,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:04,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:04,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:04,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:04,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:04,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:04,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:04,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:04,271 INFO L134 CoverageAnalysis]: Checked inductivity of 25279 backedges. 150 proven. 25125 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:15:04,272 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:15:04,272 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822421088] [2021-05-02 16:15:04,272 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:15:04,272 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419535505] [2021-05-02 16:15:04,272 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419535505] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:15:04,272 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:15:04,272 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [79] total 79 [2021-05-02 16:15:04,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572121326] [2021-05-02 16:15:04,272 INFO L460 AbstractCegarLoop]: Interpolant automaton has 79 states [2021-05-02 16:15:04,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:15:04,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2021-05-02 16:15:04,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3005, Invalid=3157, Unknown=0, NotChecked=0, Total=6162 [2021-05-02 16:15:04,273 INFO L87 Difference]: Start difference. First operand 695 states and 771 transitions. Second operand has 79 states, 79 states have (on average 6.7974683544303796) internal successors, (537), 78 states have internal predecessors, (537), 78 states have call successors, (80), 78 states have call predecessors, (80), 76 states have return successors, (78), 76 states have call predecessors, (78), 77 states have call successors, (78) [2021-05-02 16:15:07,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:15:07,695 INFO L93 Difference]: Finished difference Result 709 states and 786 transitions. [2021-05-02 16:15:07,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-05-02 16:15:07,696 INFO L78 Accepts]: Start accepts. Automaton has has 79 states, 79 states have (on average 6.7974683544303796) internal successors, (537), 78 states have internal predecessors, (537), 78 states have call successors, (80), 78 states have call predecessors, (80), 76 states have return successors, (78), 76 states have call predecessors, (78), 77 states have call successors, (78) Word has length 698 [2021-05-02 16:15:07,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:15:07,698 INFO L225 Difference]: With dead ends: 709 [2021-05-02 16:15:07,698 INFO L226 Difference]: Without dead ends: 704 [2021-05-02 16:15:07,699 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 772 GetRequests, 620 SyntacticMatches, 0 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2850 ImplicationChecksByTransitivity, 5141.1ms TimeCoverageRelationStatistics Valid=8855, Invalid=14707, Unknown=0, NotChecked=0, Total=23562 [2021-05-02 16:15:07,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2021-05-02 16:15:07,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 704. [2021-05-02 16:15:07,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 704 states, 544 states have (on average 1.1415441176470589) internal successors, (621), 544 states have internal predecessors, (621), 81 states have call successors, (81), 80 states have call predecessors, (81), 78 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2021-05-02 16:15:07,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 781 transitions. [2021-05-02 16:15:07,710 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 781 transitions. Word has length 698 [2021-05-02 16:15:07,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:15:07,710 INFO L480 AbstractCegarLoop]: Abstraction has 704 states and 781 transitions. [2021-05-02 16:15:07,711 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 79 states, 79 states have (on average 6.7974683544303796) internal successors, (537), 78 states have internal predecessors, (537), 78 states have call successors, (80), 78 states have call predecessors, (80), 76 states have return successors, (78), 76 states have call predecessors, (78), 77 states have call successors, (78) [2021-05-02 16:15:07,711 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 781 transitions. [2021-05-02 16:15:07,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 708 [2021-05-02 16:15:07,714 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:15:07,714 INFO L523 BasicCegarLoop]: trace histogram [77, 77, 76, 76, 76, 76, 76, 76, 76, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:15:07,933 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 79 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable78 [2021-05-02 16:15:07,933 INFO L428 AbstractCegarLoop]: === Iteration 80 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:15:07,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:15:07,934 INFO L82 PathProgramCache]: Analyzing trace with hash -2010801258, now seen corresponding path program 76 times [2021-05-02 16:15:07,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:15:07,934 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155264491] [2021-05-02 16:15:07,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:15:07,940 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:15:07,940 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [565324666] [2021-05-02 16:15:07,941 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 80 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 80 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:15:08,166 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 16:15:08,166 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:15:08,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 1875 conjuncts, 157 conjunts are in the unsatisfiable core [2021-05-02 16:15:08,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:15:08,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:08,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:09,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:10,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:11,930 INFO L134 CoverageAnalysis]: Checked inductivity of 25958 backedges. 152 proven. 25802 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:15:11,930 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:15:11,930 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155264491] [2021-05-02 16:15:11,930 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:15:11,930 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565324666] [2021-05-02 16:15:11,930 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565324666] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:15:11,930 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:15:11,930 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [80] total 80 [2021-05-02 16:15:11,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965191878] [2021-05-02 16:15:11,931 INFO L460 AbstractCegarLoop]: Interpolant automaton has 80 states [2021-05-02 16:15:11,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:15:11,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2021-05-02 16:15:11,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3083, Invalid=3237, Unknown=0, NotChecked=0, Total=6320 [2021-05-02 16:15:11,932 INFO L87 Difference]: Start difference. First operand 704 states and 781 transitions. Second operand has 80 states, 80 states have (on average 6.8) internal successors, (544), 79 states have internal predecessors, (544), 79 states have call successors, (81), 79 states have call predecessors, (81), 77 states have return successors, (79), 77 states have call predecessors, (79), 78 states have call successors, (79) [2021-05-02 16:15:15,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:15:15,443 INFO L93 Difference]: Finished difference Result 718 states and 796 transitions. [2021-05-02 16:15:15,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2021-05-02 16:15:15,444 INFO L78 Accepts]: Start accepts. Automaton has has 80 states, 80 states have (on average 6.8) internal successors, (544), 79 states have internal predecessors, (544), 79 states have call successors, (81), 79 states have call predecessors, (81), 77 states have return successors, (79), 77 states have call predecessors, (79), 78 states have call successors, (79) Word has length 707 [2021-05-02 16:15:15,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:15:15,449 INFO L225 Difference]: With dead ends: 718 [2021-05-02 16:15:15,449 INFO L226 Difference]: Without dead ends: 713 [2021-05-02 16:15:15,450 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 782 GetRequests, 628 SyntacticMatches, 0 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2926 ImplicationChecksByTransitivity, 5268.3ms TimeCoverageRelationStatistics Valid=9087, Invalid=15093, Unknown=0, NotChecked=0, Total=24180 [2021-05-02 16:15:15,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2021-05-02 16:15:15,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 713. [2021-05-02 16:15:15,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 713 states, 551 states have (on average 1.1415607985480944) internal successors, (629), 551 states have internal predecessors, (629), 82 states have call successors, (82), 81 states have call predecessors, (82), 79 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2021-05-02 16:15:15,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 791 transitions. [2021-05-02 16:15:15,462 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 791 transitions. Word has length 707 [2021-05-02 16:15:15,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:15:15,463 INFO L480 AbstractCegarLoop]: Abstraction has 713 states and 791 transitions. [2021-05-02 16:15:15,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 80 states, 80 states have (on average 6.8) internal successors, (544), 79 states have internal predecessors, (544), 79 states have call successors, (81), 79 states have call predecessors, (81), 77 states have return successors, (79), 77 states have call predecessors, (79), 78 states have call successors, (79) [2021-05-02 16:15:15,463 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 791 transitions. [2021-05-02 16:15:15,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 717 [2021-05-02 16:15:15,489 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:15:15,489 INFO L523 BasicCegarLoop]: trace histogram [78, 78, 77, 77, 77, 77, 77, 77, 77, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:15:15,706 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79,80 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:15:15,707 INFO L428 AbstractCegarLoop]: === Iteration 81 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:15:15,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:15:15,707 INFO L82 PathProgramCache]: Analyzing trace with hash -21295972, now seen corresponding path program 77 times [2021-05-02 16:15:15,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:15:15,707 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359639119] [2021-05-02 16:15:15,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:15:15,713 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:15:15,713 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1615016084] [2021-05-02 16:15:15,713 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 81 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 81 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:15:16,149 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 78 check-sat command(s) [2021-05-02 16:15:16,149 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:15:16,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 1898 conjuncts, 159 conjunts are in the unsatisfiable core [2021-05-02 16:15:16,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:15:16,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:16,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:17,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:18,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:19,917 INFO L134 CoverageAnalysis]: Checked inductivity of 26646 backedges. 154 proven. 26488 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:15:19,917 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:15:19,917 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359639119] [2021-05-02 16:15:19,917 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:15:19,917 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615016084] [2021-05-02 16:15:19,917 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615016084] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:15:19,917 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:15:19,917 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81] total 81 [2021-05-02 16:15:19,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105529542] [2021-05-02 16:15:19,918 INFO L460 AbstractCegarLoop]: Interpolant automaton has 81 states [2021-05-02 16:15:19,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:15:19,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2021-05-02 16:15:19,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3162, Invalid=3318, Unknown=0, NotChecked=0, Total=6480 [2021-05-02 16:15:19,919 INFO L87 Difference]: Start difference. First operand 713 states and 791 transitions. Second operand has 81 states, 81 states have (on average 6.802469135802469) internal successors, (551), 80 states have internal predecessors, (551), 80 states have call successors, (82), 80 states have call predecessors, (82), 78 states have return successors, (80), 78 states have call predecessors, (80), 79 states have call successors, (80) [2021-05-02 16:15:23,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:15:23,351 INFO L93 Difference]: Finished difference Result 727 states and 806 transitions. [2021-05-02 16:15:23,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2021-05-02 16:15:23,352 INFO L78 Accepts]: Start accepts. Automaton has has 81 states, 81 states have (on average 6.802469135802469) internal successors, (551), 80 states have internal predecessors, (551), 80 states have call successors, (82), 80 states have call predecessors, (82), 78 states have return successors, (80), 78 states have call predecessors, (80), 79 states have call successors, (80) Word has length 716 [2021-05-02 16:15:23,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:15:23,354 INFO L225 Difference]: With dead ends: 727 [2021-05-02 16:15:23,354 INFO L226 Difference]: Without dead ends: 722 [2021-05-02 16:15:23,355 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 792 GetRequests, 636 SyntacticMatches, 0 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3003 ImplicationChecksByTransitivity, 5227.1ms TimeCoverageRelationStatistics Valid=9322, Invalid=15484, Unknown=0, NotChecked=0, Total=24806 [2021-05-02 16:15:23,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2021-05-02 16:15:23,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 722. [2021-05-02 16:15:23,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 722 states, 558 states have (on average 1.1415770609318996) internal successors, (637), 558 states have internal predecessors, (637), 83 states have call successors, (83), 82 states have call predecessors, (83), 80 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2021-05-02 16:15:23,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 801 transitions. [2021-05-02 16:15:23,388 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 801 transitions. Word has length 716 [2021-05-02 16:15:23,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:15:23,388 INFO L480 AbstractCegarLoop]: Abstraction has 722 states and 801 transitions. [2021-05-02 16:15:23,388 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 81 states, 81 states have (on average 6.802469135802469) internal successors, (551), 80 states have internal predecessors, (551), 80 states have call successors, (82), 80 states have call predecessors, (82), 78 states have return successors, (80), 78 states have call predecessors, (80), 79 states have call successors, (80) [2021-05-02 16:15:23,389 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 801 transitions. [2021-05-02 16:15:23,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 726 [2021-05-02 16:15:23,397 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:15:23,397 INFO L523 BasicCegarLoop]: trace histogram [79, 79, 78, 78, 78, 78, 78, 78, 78, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:15:23,597 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,81 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:15:23,598 INFO L428 AbstractCegarLoop]: === Iteration 82 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:15:23,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:15:23,598 INFO L82 PathProgramCache]: Analyzing trace with hash 1148019286, now seen corresponding path program 78 times [2021-05-02 16:15:23,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:15:23,598 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739414916] [2021-05-02 16:15:23,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:15:23,604 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:15:23,604 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [199331342] [2021-05-02 16:15:23,604 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 82 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 82 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:15:24,342 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 79 check-sat command(s) [2021-05-02 16:15:24,342 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:15:24,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 1921 conjuncts, 161 conjunts are in the unsatisfiable core [2021-05-02 16:15:24,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:15:24,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:24,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:25,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:26,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:27,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:28,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:28,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:28,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:28,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:28,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:28,212 INFO L134 CoverageAnalysis]: Checked inductivity of 27343 backedges. 156 proven. 27183 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:15:28,213 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:15:28,213 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739414916] [2021-05-02 16:15:28,213 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:15:28,213 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199331342] [2021-05-02 16:15:28,213 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199331342] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:15:28,213 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:15:28,213 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [82] total 82 [2021-05-02 16:15:28,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992087996] [2021-05-02 16:15:28,214 INFO L460 AbstractCegarLoop]: Interpolant automaton has 82 states [2021-05-02 16:15:28,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:15:28,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2021-05-02 16:15:28,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3242, Invalid=3400, Unknown=0, NotChecked=0, Total=6642 [2021-05-02 16:15:28,215 INFO L87 Difference]: Start difference. First operand 722 states and 801 transitions. Second operand has 82 states, 82 states have (on average 6.804878048780488) internal successors, (558), 81 states have internal predecessors, (558), 81 states have call successors, (83), 81 states have call predecessors, (83), 79 states have return successors, (81), 79 states have call predecessors, (81), 80 states have call successors, (81) [2021-05-02 16:15:31,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:15:31,782 INFO L93 Difference]: Finished difference Result 736 states and 816 transitions. [2021-05-02 16:15:31,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2021-05-02 16:15:31,783 INFO L78 Accepts]: Start accepts. Automaton has has 82 states, 82 states have (on average 6.804878048780488) internal successors, (558), 81 states have internal predecessors, (558), 81 states have call successors, (83), 81 states have call predecessors, (83), 79 states have return successors, (81), 79 states have call predecessors, (81), 80 states have call successors, (81) Word has length 725 [2021-05-02 16:15:31,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:15:31,784 INFO L225 Difference]: With dead ends: 736 [2021-05-02 16:15:31,784 INFO L226 Difference]: Without dead ends: 731 [2021-05-02 16:15:31,786 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 802 GetRequests, 644 SyntacticMatches, 0 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3081 ImplicationChecksByTransitivity, 5398.8ms TimeCoverageRelationStatistics Valid=9560, Invalid=15880, Unknown=0, NotChecked=0, Total=25440 [2021-05-02 16:15:31,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2021-05-02 16:15:31,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 731. [2021-05-02 16:15:31,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 731 states, 565 states have (on average 1.1415929203539823) internal successors, (645), 565 states have internal predecessors, (645), 84 states have call successors, (84), 83 states have call predecessors, (84), 81 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2021-05-02 16:15:31,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 811 transitions. [2021-05-02 16:15:31,798 INFO L78 Accepts]: Start accepts. Automaton has 731 states and 811 transitions. Word has length 725 [2021-05-02 16:15:31,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:15:31,798 INFO L480 AbstractCegarLoop]: Abstraction has 731 states and 811 transitions. [2021-05-02 16:15:31,798 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 82 states, 82 states have (on average 6.804878048780488) internal successors, (558), 81 states have internal predecessors, (558), 81 states have call successors, (83), 81 states have call predecessors, (83), 79 states have return successors, (81), 79 states have call predecessors, (81), 80 states have call successors, (81) [2021-05-02 16:15:31,798 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 811 transitions. [2021-05-02 16:15:31,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2021-05-02 16:15:31,802 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:15:31,802 INFO L523 BasicCegarLoop]: trace histogram [80, 80, 79, 79, 79, 79, 79, 79, 79, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:15:32,009 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,82 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:15:32,010 INFO L428 AbstractCegarLoop]: === Iteration 83 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:15:32,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:15:32,010 INFO L82 PathProgramCache]: Analyzing trace with hash 652664284, now seen corresponding path program 79 times [2021-05-02 16:15:32,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:15:32,010 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238557736] [2021-05-02 16:15:32,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:15:32,016 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:15:32,016 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1430204263] [2021-05-02 16:15:32,016 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 83 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 83 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:15:32,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 16:15:32,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 1944 conjuncts, 163 conjunts are in the unsatisfiable core [2021-05-02 16:15:32,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:15:32,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:32,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:33,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:34,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:35,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:36,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:36,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:36,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:36,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:36,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:36,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:36,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:36,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:36,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:36,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:36,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:36,324 INFO L134 CoverageAnalysis]: Checked inductivity of 28049 backedges. 158 proven. 27887 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:15:36,325 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:15:36,325 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238557736] [2021-05-02 16:15:36,325 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:15:36,325 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430204263] [2021-05-02 16:15:36,325 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1430204263] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:15:36,325 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:15:36,325 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [83] total 83 [2021-05-02 16:15:36,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449326654] [2021-05-02 16:15:36,326 INFO L460 AbstractCegarLoop]: Interpolant automaton has 83 states [2021-05-02 16:15:36,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:15:36,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2021-05-02 16:15:36,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3323, Invalid=3483, Unknown=0, NotChecked=0, Total=6806 [2021-05-02 16:15:36,327 INFO L87 Difference]: Start difference. First operand 731 states and 811 transitions. Second operand has 83 states, 83 states have (on average 6.807228915662651) internal successors, (565), 82 states have internal predecessors, (565), 82 states have call successors, (84), 82 states have call predecessors, (84), 80 states have return successors, (82), 80 states have call predecessors, (82), 81 states have call successors, (82) [2021-05-02 16:15:39,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:15:39,614 INFO L93 Difference]: Finished difference Result 745 states and 826 transitions. [2021-05-02 16:15:39,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2021-05-02 16:15:39,614 INFO L78 Accepts]: Start accepts. Automaton has has 83 states, 83 states have (on average 6.807228915662651) internal successors, (565), 82 states have internal predecessors, (565), 82 states have call successors, (84), 82 states have call predecessors, (84), 80 states have return successors, (82), 80 states have call predecessors, (82), 81 states have call successors, (82) Word has length 734 [2021-05-02 16:15:39,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:15:39,616 INFO L225 Difference]: With dead ends: 745 [2021-05-02 16:15:39,616 INFO L226 Difference]: Without dead ends: 740 [2021-05-02 16:15:39,617 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 812 GetRequests, 652 SyntacticMatches, 0 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3160 ImplicationChecksByTransitivity, 5223.1ms TimeCoverageRelationStatistics Valid=9801, Invalid=16281, Unknown=0, NotChecked=0, Total=26082 [2021-05-02 16:15:39,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2021-05-02 16:15:39,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 740. [2021-05-02 16:15:39,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 740 states, 572 states have (on average 1.1416083916083917) internal successors, (653), 572 states have internal predecessors, (653), 85 states have call successors, (85), 84 states have call predecessors, (85), 82 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2021-05-02 16:15:39,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 821 transitions. [2021-05-02 16:15:39,629 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 821 transitions. Word has length 734 [2021-05-02 16:15:39,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:15:39,630 INFO L480 AbstractCegarLoop]: Abstraction has 740 states and 821 transitions. [2021-05-02 16:15:39,630 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 83 states, 83 states have (on average 6.807228915662651) internal successors, (565), 82 states have internal predecessors, (565), 82 states have call successors, (84), 82 states have call predecessors, (84), 80 states have return successors, (82), 80 states have call predecessors, (82), 81 states have call successors, (82) [2021-05-02 16:15:39,630 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 821 transitions. [2021-05-02 16:15:39,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 744 [2021-05-02 16:15:39,634 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:15:39,634 INFO L523 BasicCegarLoop]: trace histogram [81, 81, 80, 80, 80, 80, 80, 80, 80, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:15:39,851 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,83 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:15:39,851 INFO L428 AbstractCegarLoop]: === Iteration 84 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:15:39,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:15:39,851 INFO L82 PathProgramCache]: Analyzing trace with hash 609810710, now seen corresponding path program 80 times [2021-05-02 16:15:39,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:15:39,852 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708473430] [2021-05-02 16:15:39,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:15:39,857 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:15:39,858 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [636332221] [2021-05-02 16:15:39,858 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 84 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 84 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:15:40,098 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 16:15:40,098 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:15:40,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 1967 conjuncts, 165 conjunts are in the unsatisfiable core [2021-05-02 16:15:40,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:15:40,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:40,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:41,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:42,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:43,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:44,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:44,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:44,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:44,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:44,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:44,128 INFO L134 CoverageAnalysis]: Checked inductivity of 28764 backedges. 160 proven. 28600 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:15:44,128 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:15:44,128 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708473430] [2021-05-02 16:15:44,128 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:15:44,128 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636332221] [2021-05-02 16:15:44,128 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636332221] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:15:44,128 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:15:44,128 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84] total 84 [2021-05-02 16:15:44,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598015023] [2021-05-02 16:15:44,129 INFO L460 AbstractCegarLoop]: Interpolant automaton has 84 states [2021-05-02 16:15:44,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:15:44,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2021-05-02 16:15:44,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3405, Invalid=3567, Unknown=0, NotChecked=0, Total=6972 [2021-05-02 16:15:44,130 INFO L87 Difference]: Start difference. First operand 740 states and 821 transitions. Second operand has 84 states, 84 states have (on average 6.809523809523809) internal successors, (572), 83 states have internal predecessors, (572), 83 states have call successors, (85), 83 states have call predecessors, (85), 81 states have return successors, (83), 81 states have call predecessors, (83), 82 states have call successors, (83) [2021-05-02 16:15:48,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:15:48,061 INFO L93 Difference]: Finished difference Result 754 states and 836 transitions. [2021-05-02 16:15:48,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2021-05-02 16:15:48,062 INFO L78 Accepts]: Start accepts. Automaton has has 84 states, 84 states have (on average 6.809523809523809) internal successors, (572), 83 states have internal predecessors, (572), 83 states have call successors, (85), 83 states have call predecessors, (85), 81 states have return successors, (83), 81 states have call predecessors, (83), 82 states have call successors, (83) Word has length 743 [2021-05-02 16:15:48,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:15:48,063 INFO L225 Difference]: With dead ends: 754 [2021-05-02 16:15:48,063 INFO L226 Difference]: Without dead ends: 749 [2021-05-02 16:15:48,065 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 822 GetRequests, 660 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3240 ImplicationChecksByTransitivity, 5840.7ms TimeCoverageRelationStatistics Valid=10045, Invalid=16687, Unknown=0, NotChecked=0, Total=26732 [2021-05-02 16:15:48,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2021-05-02 16:15:48,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 749. [2021-05-02 16:15:48,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 749 states, 579 states have (on average 1.1416234887737478) internal successors, (661), 579 states have internal predecessors, (661), 86 states have call successors, (86), 85 states have call predecessors, (86), 83 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2021-05-02 16:15:48,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 831 transitions. [2021-05-02 16:15:48,078 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 831 transitions. Word has length 743 [2021-05-02 16:15:48,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:15:48,079 INFO L480 AbstractCegarLoop]: Abstraction has 749 states and 831 transitions. [2021-05-02 16:15:48,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 84 states, 84 states have (on average 6.809523809523809) internal successors, (572), 83 states have internal predecessors, (572), 83 states have call successors, (85), 83 states have call predecessors, (85), 81 states have return successors, (83), 81 states have call predecessors, (83), 82 states have call successors, (83) [2021-05-02 16:15:48,079 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 831 transitions. [2021-05-02 16:15:48,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 753 [2021-05-02 16:15:48,083 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:15:48,083 INFO L523 BasicCegarLoop]: trace histogram [82, 82, 81, 81, 81, 81, 81, 81, 81, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:15:48,296 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83,84 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:15:48,297 INFO L428 AbstractCegarLoop]: === Iteration 85 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:15:48,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:15:48,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1052303132, now seen corresponding path program 81 times [2021-05-02 16:15:48,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:15:48,297 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19423806] [2021-05-02 16:15:48,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:15:48,303 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:15:48,303 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1153042039] [2021-05-02 16:15:48,303 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 85 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 85 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:15:48,969 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 82 check-sat command(s) [2021-05-02 16:15:48,969 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:15:48,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 1990 conjuncts, 167 conjunts are in the unsatisfiable core [2021-05-02 16:15:48,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:15:48,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:48,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:48,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:49,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:50,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:51,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:52,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:53,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:53,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:53,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:53,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:53,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:53,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:53,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:53,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:53,218 INFO L134 CoverageAnalysis]: Checked inductivity of 29488 backedges. 162 proven. 29322 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:15:53,218 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:15:53,218 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19423806] [2021-05-02 16:15:53,218 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:15:53,218 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153042039] [2021-05-02 16:15:53,218 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153042039] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:15:53,218 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:15:53,218 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85] total 85 [2021-05-02 16:15:53,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030775490] [2021-05-02 16:15:53,219 INFO L460 AbstractCegarLoop]: Interpolant automaton has 85 states [2021-05-02 16:15:53,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:15:53,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2021-05-02 16:15:53,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3488, Invalid=3652, Unknown=0, NotChecked=0, Total=7140 [2021-05-02 16:15:53,220 INFO L87 Difference]: Start difference. First operand 749 states and 831 transitions. Second operand has 85 states, 85 states have (on average 6.811764705882353) internal successors, (579), 84 states have internal predecessors, (579), 84 states have call successors, (86), 84 states have call predecessors, (86), 82 states have return successors, (84), 82 states have call predecessors, (84), 83 states have call successors, (84) [2021-05-02 16:15:57,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:15:57,303 INFO L93 Difference]: Finished difference Result 763 states and 846 transitions. [2021-05-02 16:15:57,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2021-05-02 16:15:57,304 INFO L78 Accepts]: Start accepts. Automaton has has 85 states, 85 states have (on average 6.811764705882353) internal successors, (579), 84 states have internal predecessors, (579), 84 states have call successors, (86), 84 states have call predecessors, (86), 82 states have return successors, (84), 82 states have call predecessors, (84), 83 states have call successors, (84) Word has length 752 [2021-05-02 16:15:57,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:15:57,305 INFO L225 Difference]: With dead ends: 763 [2021-05-02 16:15:57,305 INFO L226 Difference]: Without dead ends: 758 [2021-05-02 16:15:57,306 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 832 GetRequests, 668 SyntacticMatches, 0 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3321 ImplicationChecksByTransitivity, 6074.6ms TimeCoverageRelationStatistics Valid=10292, Invalid=17098, Unknown=0, NotChecked=0, Total=27390 [2021-05-02 16:15:57,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2021-05-02 16:15:57,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 758. [2021-05-02 16:15:57,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 758 states, 586 states have (on average 1.1416382252559727) internal successors, (669), 586 states have internal predecessors, (669), 87 states have call successors, (87), 86 states have call predecessors, (87), 84 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2021-05-02 16:15:57,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 841 transitions. [2021-05-02 16:15:57,320 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 841 transitions. Word has length 752 [2021-05-02 16:15:57,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:15:57,320 INFO L480 AbstractCegarLoop]: Abstraction has 758 states and 841 transitions. [2021-05-02 16:15:57,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 85 states, 85 states have (on average 6.811764705882353) internal successors, (579), 84 states have internal predecessors, (579), 84 states have call successors, (86), 84 states have call predecessors, (86), 82 states have return successors, (84), 82 states have call predecessors, (84), 83 states have call successors, (84) [2021-05-02 16:15:57,321 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 841 transitions. [2021-05-02 16:15:57,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 762 [2021-05-02 16:15:57,326 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:15:57,326 INFO L523 BasicCegarLoop]: trace histogram [83, 83, 82, 82, 82, 82, 82, 82, 82, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:15:57,540 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 85 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable84 [2021-05-02 16:15:57,542 INFO L428 AbstractCegarLoop]: === Iteration 86 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:15:57,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:15:57,542 INFO L82 PathProgramCache]: Analyzing trace with hash 345268182, now seen corresponding path program 82 times [2021-05-02 16:15:57,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:15:57,542 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142842382] [2021-05-02 16:15:57,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:15:57,560 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:15:57,560 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1086660194] [2021-05-02 16:15:57,560 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 86 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 86 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:15:57,807 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 16:15:57,808 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:15:57,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 2013 conjuncts, 169 conjunts are in the unsatisfiable core [2021-05-02 16:15:57,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:15:57,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:57,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:57,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:57,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:57,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:57,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:57,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:57,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:57,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:57,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:57,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:57,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:57,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:57,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:57,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:57,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:57,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:57,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:57,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:57,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:57,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:57,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:57,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:57,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:57,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:57,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:57,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:57,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:58,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:15:59,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:00,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:01,990 INFO L134 CoverageAnalysis]: Checked inductivity of 30221 backedges. 164 proven. 30053 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:16:01,990 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:16:01,990 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142842382] [2021-05-02 16:16:01,991 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:16:01,991 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086660194] [2021-05-02 16:16:01,991 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086660194] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:16:01,991 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:16:01,991 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [86] total 86 [2021-05-02 16:16:01,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042272003] [2021-05-02 16:16:01,991 INFO L460 AbstractCegarLoop]: Interpolant automaton has 86 states [2021-05-02 16:16:01,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:16:01,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2021-05-02 16:16:01,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3572, Invalid=3738, Unknown=0, NotChecked=0, Total=7310 [2021-05-02 16:16:01,993 INFO L87 Difference]: Start difference. First operand 758 states and 841 transitions. Second operand has 86 states, 86 states have (on average 6.813953488372093) internal successors, (586), 85 states have internal predecessors, (586), 85 states have call successors, (87), 85 states have call predecessors, (87), 83 states have return successors, (85), 83 states have call predecessors, (85), 84 states have call successors, (85) [2021-05-02 16:16:06,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:16:06,178 INFO L93 Difference]: Finished difference Result 772 states and 856 transitions. [2021-05-02 16:16:06,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2021-05-02 16:16:06,179 INFO L78 Accepts]: Start accepts. Automaton has has 86 states, 86 states have (on average 6.813953488372093) internal successors, (586), 85 states have internal predecessors, (586), 85 states have call successors, (87), 85 states have call predecessors, (87), 83 states have return successors, (85), 83 states have call predecessors, (85), 84 states have call successors, (85) Word has length 761 [2021-05-02 16:16:06,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:16:06,180 INFO L225 Difference]: With dead ends: 772 [2021-05-02 16:16:06,180 INFO L226 Difference]: Without dead ends: 767 [2021-05-02 16:16:06,182 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 842 GetRequests, 676 SyntacticMatches, 0 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3403 ImplicationChecksByTransitivity, 6171.0ms TimeCoverageRelationStatistics Valid=10542, Invalid=17514, Unknown=0, NotChecked=0, Total=28056 [2021-05-02 16:16:06,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2021-05-02 16:16:06,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 767. [2021-05-02 16:16:06,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 767 states, 593 states have (on average 1.1416526138279932) internal successors, (677), 593 states have internal predecessors, (677), 88 states have call successors, (88), 87 states have call predecessors, (88), 85 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2021-05-02 16:16:06,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 851 transitions. [2021-05-02 16:16:06,194 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 851 transitions. Word has length 761 [2021-05-02 16:16:06,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:16:06,194 INFO L480 AbstractCegarLoop]: Abstraction has 767 states and 851 transitions. [2021-05-02 16:16:06,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 86 states, 86 states have (on average 6.813953488372093) internal successors, (586), 85 states have internal predecessors, (586), 85 states have call successors, (87), 85 states have call predecessors, (87), 83 states have return successors, (85), 83 states have call predecessors, (85), 84 states have call successors, (85) [2021-05-02 16:16:06,195 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 851 transitions. [2021-05-02 16:16:06,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 771 [2021-05-02 16:16:06,199 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:16:06,199 INFO L523 BasicCegarLoop]: trace histogram [84, 84, 83, 83, 83, 83, 83, 83, 83, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:16:06,412 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85,86 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:16:06,413 INFO L428 AbstractCegarLoop]: === Iteration 87 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:16:06,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:16:06,413 INFO L82 PathProgramCache]: Analyzing trace with hash -620425124, now seen corresponding path program 83 times [2021-05-02 16:16:06,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:16:06,413 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866405471] [2021-05-02 16:16:06,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:16:06,419 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:16:06,419 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [84113802] [2021-05-02 16:16:06,419 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 87 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 87 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:16:06,893 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 84 check-sat command(s) [2021-05-02 16:16:06,893 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:16:06,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 2036 conjuncts, 171 conjunts are in the unsatisfiable core [2021-05-02 16:16:06,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:16:06,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:06,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:06,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:06,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:06,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:06,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:06,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:06,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:06,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:06,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:06,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:06,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:06,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:07,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:08,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:09,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:10,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:11,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:11,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:11,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:11,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:11,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:11,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:11,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:11,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:11,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:11,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:11,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:11,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:11,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:11,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:11,411 INFO L134 CoverageAnalysis]: Checked inductivity of 30963 backedges. 166 proven. 30793 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:16:11,411 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:16:11,411 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866405471] [2021-05-02 16:16:11,411 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:16:11,411 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [84113802] [2021-05-02 16:16:11,411 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [84113802] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:16:11,411 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:16:11,411 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87] total 87 [2021-05-02 16:16:11,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930944337] [2021-05-02 16:16:11,412 INFO L460 AbstractCegarLoop]: Interpolant automaton has 87 states [2021-05-02 16:16:11,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:16:11,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-05-02 16:16:11,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3657, Invalid=3825, Unknown=0, NotChecked=0, Total=7482 [2021-05-02 16:16:11,413 INFO L87 Difference]: Start difference. First operand 767 states and 851 transitions. Second operand has 87 states, 87 states have (on average 6.816091954022989) internal successors, (593), 86 states have internal predecessors, (593), 86 states have call successors, (88), 86 states have call predecessors, (88), 84 states have return successors, (86), 84 states have call predecessors, (86), 85 states have call successors, (86) [2021-05-02 16:16:15,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:16:15,684 INFO L93 Difference]: Finished difference Result 781 states and 866 transitions. [2021-05-02 16:16:15,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2021-05-02 16:16:15,684 INFO L78 Accepts]: Start accepts. Automaton has has 87 states, 87 states have (on average 6.816091954022989) internal successors, (593), 86 states have internal predecessors, (593), 86 states have call successors, (88), 86 states have call predecessors, (88), 84 states have return successors, (86), 84 states have call predecessors, (86), 85 states have call successors, (86) Word has length 770 [2021-05-02 16:16:15,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:16:15,686 INFO L225 Difference]: With dead ends: 781 [2021-05-02 16:16:15,686 INFO L226 Difference]: Without dead ends: 776 [2021-05-02 16:16:15,688 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 852 GetRequests, 684 SyntacticMatches, 0 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3486 ImplicationChecksByTransitivity, 6421.1ms TimeCoverageRelationStatistics Valid=10795, Invalid=17935, Unknown=0, NotChecked=0, Total=28730 [2021-05-02 16:16:15,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2021-05-02 16:16:15,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 776. [2021-05-02 16:16:15,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 776 states, 600 states have (on average 1.1416666666666666) internal successors, (685), 600 states have internal predecessors, (685), 89 states have call successors, (89), 88 states have call predecessors, (89), 86 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2021-05-02 16:16:15,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 861 transitions. [2021-05-02 16:16:15,700 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 861 transitions. Word has length 770 [2021-05-02 16:16:15,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:16:15,701 INFO L480 AbstractCegarLoop]: Abstraction has 776 states and 861 transitions. [2021-05-02 16:16:15,701 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 87 states, 87 states have (on average 6.816091954022989) internal successors, (593), 86 states have internal predecessors, (593), 86 states have call successors, (88), 86 states have call predecessors, (88), 84 states have return successors, (86), 84 states have call predecessors, (86), 85 states have call successors, (86) [2021-05-02 16:16:15,701 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 861 transitions. [2021-05-02 16:16:15,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 780 [2021-05-02 16:16:15,705 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:16:15,706 INFO L523 BasicCegarLoop]: trace histogram [85, 85, 84, 84, 84, 84, 84, 84, 84, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:16:15,923 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 87 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable86 [2021-05-02 16:16:15,924 INFO L428 AbstractCegarLoop]: === Iteration 88 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:16:15,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:16:15,924 INFO L82 PathProgramCache]: Analyzing trace with hash -1362389354, now seen corresponding path program 84 times [2021-05-02 16:16:15,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:16:15,924 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903383729] [2021-05-02 16:16:15,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:16:15,930 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:16:15,930 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1767235108] [2021-05-02 16:16:15,930 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 88 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 88 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:16:16,654 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 85 check-sat command(s) [2021-05-02 16:16:16,654 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:16:16,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 2059 conjuncts, 173 conjunts are in the unsatisfiable core [2021-05-02 16:16:16,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:16:16,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:16,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:17,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:18,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:19,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:20,972 INFO L134 CoverageAnalysis]: Checked inductivity of 31714 backedges. 168 proven. 31542 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:16:20,972 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:16:20,972 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903383729] [2021-05-02 16:16:20,972 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:16:20,972 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1767235108] [2021-05-02 16:16:20,972 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1767235108] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:16:20,972 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:16:20,973 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [88] total 88 [2021-05-02 16:16:20,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184232866] [2021-05-02 16:16:20,973 INFO L460 AbstractCegarLoop]: Interpolant automaton has 88 states [2021-05-02 16:16:20,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:16:20,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-05-02 16:16:20,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3743, Invalid=3913, Unknown=0, NotChecked=0, Total=7656 [2021-05-02 16:16:20,974 INFO L87 Difference]: Start difference. First operand 776 states and 861 transitions. Second operand has 88 states, 88 states have (on average 6.818181818181818) internal successors, (600), 87 states have internal predecessors, (600), 87 states have call successors, (89), 87 states have call predecessors, (89), 85 states have return successors, (87), 85 states have call predecessors, (87), 86 states have call successors, (87) [2021-05-02 16:16:24,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:16:24,997 INFO L93 Difference]: Finished difference Result 790 states and 876 transitions. [2021-05-02 16:16:24,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2021-05-02 16:16:24,998 INFO L78 Accepts]: Start accepts. Automaton has has 88 states, 88 states have (on average 6.818181818181818) internal successors, (600), 87 states have internal predecessors, (600), 87 states have call successors, (89), 87 states have call predecessors, (89), 85 states have return successors, (87), 85 states have call predecessors, (87), 86 states have call successors, (87) Word has length 779 [2021-05-02 16:16:24,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:16:25,000 INFO L225 Difference]: With dead ends: 790 [2021-05-02 16:16:25,000 INFO L226 Difference]: Without dead ends: 785 [2021-05-02 16:16:25,001 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 862 GetRequests, 692 SyntacticMatches, 0 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3570 ImplicationChecksByTransitivity, 6035.2ms TimeCoverageRelationStatistics Valid=11051, Invalid=18361, Unknown=0, NotChecked=0, Total=29412 [2021-05-02 16:16:25,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2021-05-02 16:16:25,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 785. [2021-05-02 16:16:25,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 785 states, 607 states have (on average 1.14168039538715) internal successors, (693), 607 states have internal predecessors, (693), 90 states have call successors, (90), 89 states have call predecessors, (90), 87 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2021-05-02 16:16:25,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 871 transitions. [2021-05-02 16:16:25,017 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 871 transitions. Word has length 779 [2021-05-02 16:16:25,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:16:25,018 INFO L480 AbstractCegarLoop]: Abstraction has 785 states and 871 transitions. [2021-05-02 16:16:25,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 88 states, 88 states have (on average 6.818181818181818) internal successors, (600), 87 states have internal predecessors, (600), 87 states have call successors, (89), 87 states have call predecessors, (89), 85 states have return successors, (87), 85 states have call predecessors, (87), 86 states have call successors, (87) [2021-05-02 16:16:25,018 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 871 transitions. [2021-05-02 16:16:25,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 789 [2021-05-02 16:16:25,022 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:16:25,023 INFO L523 BasicCegarLoop]: trace histogram [86, 86, 85, 85, 85, 85, 85, 85, 85, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:16:25,230 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 88 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable87 [2021-05-02 16:16:25,230 INFO L428 AbstractCegarLoop]: === Iteration 89 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:16:25,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:16:25,230 INFO L82 PathProgramCache]: Analyzing trace with hash -2086702692, now seen corresponding path program 85 times [2021-05-02 16:16:25,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:16:25,230 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996701543] [2021-05-02 16:16:25,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:16:25,253 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:16:25,253 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [427427890] [2021-05-02 16:16:25,253 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 89 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 89 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:16:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 16:16:25,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 2082 conjuncts, 175 conjunts are in the unsatisfiable core [2021-05-02 16:16:25,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:16:25,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:25,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:26,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:27,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:28,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:29,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:30,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:30,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:30,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:30,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:30,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:30,156 INFO L134 CoverageAnalysis]: Checked inductivity of 32474 backedges. 170 proven. 32300 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:16:30,157 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:16:30,157 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996701543] [2021-05-02 16:16:30,157 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:16:30,157 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427427890] [2021-05-02 16:16:30,157 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427427890] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:16:30,157 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:16:30,157 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [89] total 89 [2021-05-02 16:16:30,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969872883] [2021-05-02 16:16:30,157 INFO L460 AbstractCegarLoop]: Interpolant automaton has 89 states [2021-05-02 16:16:30,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:16:30,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2021-05-02 16:16:30,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3830, Invalid=4002, Unknown=0, NotChecked=0, Total=7832 [2021-05-02 16:16:30,159 INFO L87 Difference]: Start difference. First operand 785 states and 871 transitions. Second operand has 89 states, 89 states have (on average 6.820224719101123) internal successors, (607), 88 states have internal predecessors, (607), 88 states have call successors, (90), 88 states have call predecessors, (90), 86 states have return successors, (88), 86 states have call predecessors, (88), 87 states have call successors, (88) [2021-05-02 16:16:34,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:16:34,538 INFO L93 Difference]: Finished difference Result 799 states and 886 transitions. [2021-05-02 16:16:34,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2021-05-02 16:16:34,538 INFO L78 Accepts]: Start accepts. Automaton has has 89 states, 89 states have (on average 6.820224719101123) internal successors, (607), 88 states have internal predecessors, (607), 88 states have call successors, (90), 88 states have call predecessors, (90), 86 states have return successors, (88), 86 states have call predecessors, (88), 87 states have call successors, (88) Word has length 788 [2021-05-02 16:16:34,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:16:34,540 INFO L225 Difference]: With dead ends: 799 [2021-05-02 16:16:34,540 INFO L226 Difference]: Without dead ends: 794 [2021-05-02 16:16:34,542 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 872 GetRequests, 700 SyntacticMatches, 0 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3655 ImplicationChecksByTransitivity, 6592.5ms TimeCoverageRelationStatistics Valid=11310, Invalid=18792, Unknown=0, NotChecked=0, Total=30102 [2021-05-02 16:16:34,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2021-05-02 16:16:34,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 794. [2021-05-02 16:16:34,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 614 states have (on average 1.1416938110749186) internal successors, (701), 614 states have internal predecessors, (701), 91 states have call successors, (91), 90 states have call predecessors, (91), 88 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2021-05-02 16:16:34,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 881 transitions. [2021-05-02 16:16:34,557 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 881 transitions. Word has length 788 [2021-05-02 16:16:34,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:16:34,557 INFO L480 AbstractCegarLoop]: Abstraction has 794 states and 881 transitions. [2021-05-02 16:16:34,557 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 89 states, 89 states have (on average 6.820224719101123) internal successors, (607), 88 states have internal predecessors, (607), 88 states have call successors, (90), 88 states have call predecessors, (90), 86 states have return successors, (88), 86 states have call predecessors, (88), 87 states have call successors, (88) [2021-05-02 16:16:34,557 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 881 transitions. [2021-05-02 16:16:34,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 798 [2021-05-02 16:16:34,562 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:16:34,562 INFO L523 BasicCegarLoop]: trace histogram [87, 87, 86, 86, 86, 86, 86, 86, 86, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:16:34,780 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88,89 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:16:34,780 INFO L428 AbstractCegarLoop]: === Iteration 90 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:16:34,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:16:34,780 INFO L82 PathProgramCache]: Analyzing trace with hash -106259114, now seen corresponding path program 86 times [2021-05-02 16:16:34,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:16:34,780 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518482550] [2021-05-02 16:16:34,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:16:34,786 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:16:34,786 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2098795581] [2021-05-02 16:16:34,787 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 90 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 90 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:16:35,021 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 16:16:35,021 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:16:35,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 2105 conjuncts, 177 conjunts are in the unsatisfiable core [2021-05-02 16:16:35,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:16:35,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:35,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:36,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:37,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:38,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:39,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:39,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:39,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:39,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:39,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:39,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:39,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:39,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:39,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:39,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:39,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:39,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:39,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:39,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:39,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:39,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:39,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:39,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:39,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:39,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:39,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:39,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:39,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:39,703 INFO L134 CoverageAnalysis]: Checked inductivity of 33243 backedges. 172 proven. 33067 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:16:39,703 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:16:39,703 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518482550] [2021-05-02 16:16:39,703 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:16:39,703 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098795581] [2021-05-02 16:16:39,703 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098795581] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:16:39,703 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:16:39,703 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [90] total 90 [2021-05-02 16:16:39,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722288694] [2021-05-02 16:16:39,704 INFO L460 AbstractCegarLoop]: Interpolant automaton has 90 states [2021-05-02 16:16:39,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:16:39,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2021-05-02 16:16:39,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3918, Invalid=4092, Unknown=0, NotChecked=0, Total=8010 [2021-05-02 16:16:39,705 INFO L87 Difference]: Start difference. First operand 794 states and 881 transitions. Second operand has 90 states, 90 states have (on average 6.822222222222222) internal successors, (614), 89 states have internal predecessors, (614), 89 states have call successors, (91), 89 states have call predecessors, (91), 87 states have return successors, (89), 87 states have call predecessors, (89), 88 states have call successors, (89) [2021-05-02 16:16:44,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:16:44,223 INFO L93 Difference]: Finished difference Result 808 states and 896 transitions. [2021-05-02 16:16:44,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2021-05-02 16:16:44,224 INFO L78 Accepts]: Start accepts. Automaton has has 90 states, 90 states have (on average 6.822222222222222) internal successors, (614), 89 states have internal predecessors, (614), 89 states have call successors, (91), 89 states have call predecessors, (91), 87 states have return successors, (89), 87 states have call predecessors, (89), 88 states have call successors, (89) Word has length 797 [2021-05-02 16:16:44,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:16:44,225 INFO L225 Difference]: With dead ends: 808 [2021-05-02 16:16:44,225 INFO L226 Difference]: Without dead ends: 803 [2021-05-02 16:16:44,227 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 882 GetRequests, 708 SyntacticMatches, 0 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3741 ImplicationChecksByTransitivity, 6682.0ms TimeCoverageRelationStatistics Valid=11572, Invalid=19228, Unknown=0, NotChecked=0, Total=30800 [2021-05-02 16:16:44,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2021-05-02 16:16:44,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 803. [2021-05-02 16:16:44,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 621 states have (on average 1.14170692431562) internal successors, (709), 621 states have internal predecessors, (709), 92 states have call successors, (92), 91 states have call predecessors, (92), 89 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2021-05-02 16:16:44,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 891 transitions. [2021-05-02 16:16:44,240 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 891 transitions. Word has length 797 [2021-05-02 16:16:44,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:16:44,244 INFO L480 AbstractCegarLoop]: Abstraction has 803 states and 891 transitions. [2021-05-02 16:16:44,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 90 states, 90 states have (on average 6.822222222222222) internal successors, (614), 89 states have internal predecessors, (614), 89 states have call successors, (91), 89 states have call predecessors, (91), 87 states have return successors, (89), 87 states have call predecessors, (89), 88 states have call successors, (89) [2021-05-02 16:16:44,245 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 891 transitions. [2021-05-02 16:16:44,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 807 [2021-05-02 16:16:44,250 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:16:44,250 INFO L523 BasicCegarLoop]: trace histogram [88, 88, 87, 87, 87, 87, 87, 87, 87, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:16:44,471 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89,90 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:16:44,471 INFO L428 AbstractCegarLoop]: === Iteration 91 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:16:44,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:16:44,471 INFO L82 PathProgramCache]: Analyzing trace with hash -212073764, now seen corresponding path program 87 times [2021-05-02 16:16:44,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:16:44,472 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189661086] [2021-05-02 16:16:44,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:16:44,496 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:16:44,496 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1637259943] [2021-05-02 16:16:44,496 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 91 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 91 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:16:45,224 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 88 check-sat command(s) [2021-05-02 16:16:45,224 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:16:45,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 2128 conjuncts, 179 conjunts are in the unsatisfiable core [2021-05-02 16:16:45,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:16:45,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:45,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:46,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:47,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:48,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:49,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:50,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:50,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:50,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:50,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:50,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:50,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:50,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:50,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:50,311 INFO L134 CoverageAnalysis]: Checked inductivity of 34021 backedges. 174 proven. 33843 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:16:50,311 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:16:50,311 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189661086] [2021-05-02 16:16:50,311 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:16:50,311 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637259943] [2021-05-02 16:16:50,311 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637259943] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:16:50,311 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:16:50,311 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [91] total 91 [2021-05-02 16:16:50,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155579465] [2021-05-02 16:16:50,312 INFO L460 AbstractCegarLoop]: Interpolant automaton has 91 states [2021-05-02 16:16:50,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:16:50,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2021-05-02 16:16:50,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4007, Invalid=4183, Unknown=0, NotChecked=0, Total=8190 [2021-05-02 16:16:50,313 INFO L87 Difference]: Start difference. First operand 803 states and 891 transitions. Second operand has 91 states, 91 states have (on average 6.824175824175824) internal successors, (621), 90 states have internal predecessors, (621), 90 states have call successors, (92), 90 states have call predecessors, (92), 88 states have return successors, (90), 88 states have call predecessors, (90), 89 states have call successors, (90) [2021-05-02 16:16:54,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:16:54,920 INFO L93 Difference]: Finished difference Result 817 states and 906 transitions. [2021-05-02 16:16:54,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2021-05-02 16:16:54,921 INFO L78 Accepts]: Start accepts. Automaton has has 91 states, 91 states have (on average 6.824175824175824) internal successors, (621), 90 states have internal predecessors, (621), 90 states have call successors, (92), 90 states have call predecessors, (92), 88 states have return successors, (90), 88 states have call predecessors, (90), 89 states have call successors, (90) Word has length 806 [2021-05-02 16:16:54,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:16:54,923 INFO L225 Difference]: With dead ends: 817 [2021-05-02 16:16:54,923 INFO L226 Difference]: Without dead ends: 812 [2021-05-02 16:16:54,924 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 892 GetRequests, 716 SyntacticMatches, 0 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3828 ImplicationChecksByTransitivity, 7051.9ms TimeCoverageRelationStatistics Valid=11837, Invalid=19669, Unknown=0, NotChecked=0, Total=31506 [2021-05-02 16:16:54,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2021-05-02 16:16:54,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 812. [2021-05-02 16:16:54,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 812 states, 628 states have (on average 1.14171974522293) internal successors, (717), 628 states have internal predecessors, (717), 93 states have call successors, (93), 92 states have call predecessors, (93), 90 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2021-05-02 16:16:54,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 901 transitions. [2021-05-02 16:16:54,937 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 901 transitions. Word has length 806 [2021-05-02 16:16:54,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:16:54,938 INFO L480 AbstractCegarLoop]: Abstraction has 812 states and 901 transitions. [2021-05-02 16:16:54,938 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 91 states, 91 states have (on average 6.824175824175824) internal successors, (621), 90 states have internal predecessors, (621), 90 states have call successors, (92), 90 states have call predecessors, (92), 88 states have return successors, (90), 88 states have call predecessors, (90), 89 states have call successors, (90) [2021-05-02 16:16:54,938 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 901 transitions. [2021-05-02 16:16:54,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 816 [2021-05-02 16:16:54,943 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:16:54,943 INFO L523 BasicCegarLoop]: trace histogram [89, 89, 88, 88, 88, 88, 88, 88, 88, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:16:55,157 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,91 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:16:55,157 INFO L428 AbstractCegarLoop]: === Iteration 92 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:16:55,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:16:55,157 INFO L82 PathProgramCache]: Analyzing trace with hash 685601814, now seen corresponding path program 88 times [2021-05-02 16:16:55,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:16:55,157 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581644707] [2021-05-02 16:16:55,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:16:55,163 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:16:55,163 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1135361680] [2021-05-02 16:16:55,164 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 92 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 92 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:16:55,427 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 16:16:55,428 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:16:55,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 2151 conjuncts, 181 conjunts are in the unsatisfiable core [2021-05-02 16:16:55,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:16:55,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:55,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:56,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:57,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:58,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:16:59,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:00,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:00,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:00,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:00,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:00,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:00,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:00,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:00,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:00,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:00,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:00,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:00,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:00,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:00,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:00,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:00,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:00,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:00,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:00,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:00,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:00,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:00,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:00,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:00,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:00,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:00,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:00,861 INFO L134 CoverageAnalysis]: Checked inductivity of 34808 backedges. 176 proven. 34628 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:17:00,861 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:17:00,861 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581644707] [2021-05-02 16:17:00,861 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:17:00,861 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135361680] [2021-05-02 16:17:00,861 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1135361680] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:17:00,861 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:17:00,861 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [92] total 92 [2021-05-02 16:17:00,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841842214] [2021-05-02 16:17:00,862 INFO L460 AbstractCegarLoop]: Interpolant automaton has 92 states [2021-05-02 16:17:00,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:17:00,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2021-05-02 16:17:00,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4097, Invalid=4275, Unknown=0, NotChecked=0, Total=8372 [2021-05-02 16:17:00,863 INFO L87 Difference]: Start difference. First operand 812 states and 901 transitions. Second operand has 92 states, 92 states have (on average 6.826086956521739) internal successors, (628), 91 states have internal predecessors, (628), 91 states have call successors, (93), 91 states have call predecessors, (93), 89 states have return successors, (91), 89 states have call predecessors, (91), 90 states have call successors, (91) [2021-05-02 16:17:05,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:17:05,942 INFO L93 Difference]: Finished difference Result 826 states and 916 transitions. [2021-05-02 16:17:05,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2021-05-02 16:17:05,943 INFO L78 Accepts]: Start accepts. Automaton has has 92 states, 92 states have (on average 6.826086956521739) internal successors, (628), 91 states have internal predecessors, (628), 91 states have call successors, (93), 91 states have call predecessors, (93), 89 states have return successors, (91), 89 states have call predecessors, (91), 90 states have call successors, (91) Word has length 815 [2021-05-02 16:17:05,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:17:05,944 INFO L225 Difference]: With dead ends: 826 [2021-05-02 16:17:05,944 INFO L226 Difference]: Without dead ends: 821 [2021-05-02 16:17:05,946 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 902 GetRequests, 724 SyntacticMatches, 0 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3916 ImplicationChecksByTransitivity, 7635.8ms TimeCoverageRelationStatistics Valid=12105, Invalid=20115, Unknown=0, NotChecked=0, Total=32220 [2021-05-02 16:17:05,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2021-05-02 16:17:05,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 821. [2021-05-02 16:17:05,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 821 states, 635 states have (on average 1.141732283464567) internal successors, (725), 635 states have internal predecessors, (725), 94 states have call successors, (94), 93 states have call predecessors, (94), 91 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2021-05-02 16:17:05,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 911 transitions. [2021-05-02 16:17:05,959 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 911 transitions. Word has length 815 [2021-05-02 16:17:05,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:17:05,959 INFO L480 AbstractCegarLoop]: Abstraction has 821 states and 911 transitions. [2021-05-02 16:17:05,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 92 states, 92 states have (on average 6.826086956521739) internal successors, (628), 91 states have internal predecessors, (628), 91 states have call successors, (93), 91 states have call predecessors, (93), 89 states have return successors, (91), 89 states have call predecessors, (91), 90 states have call successors, (91) [2021-05-02 16:17:05,960 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 911 transitions. [2021-05-02 16:17:05,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 825 [2021-05-02 16:17:05,965 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:17:05,965 INFO L523 BasicCegarLoop]: trace histogram [90, 90, 89, 89, 89, 89, 89, 89, 89, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:17:06,183 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91,92 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:17:06,183 INFO L428 AbstractCegarLoop]: === Iteration 93 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:17:06,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:17:06,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1477362716, now seen corresponding path program 89 times [2021-05-02 16:17:06,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:17:06,184 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409417704] [2021-05-02 16:17:06,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:17:06,190 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:17:06,190 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1183791522] [2021-05-02 16:17:06,190 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 93 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 93 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:17:06,718 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 90 check-sat command(s) [2021-05-02 16:17:06,718 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:17:06,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 2174 conjuncts, 183 conjunts are in the unsatisfiable core [2021-05-02 16:17:06,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:17:06,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:06,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:06,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:06,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:06,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:06,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:06,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:06,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:06,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:06,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:06,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:06,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:06,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:06,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:06,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:06,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:06,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:06,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:06,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:06,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:06,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:06,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:06,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:06,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:06,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:06,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:06,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:06,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:06,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:06,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:06,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:06,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:06,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:06,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:06,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:06,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:07,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:08,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:09,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:10,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:11,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:11,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:11,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:11,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:11,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:11,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:11,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:11,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:11,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:11,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:11,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:11,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:11,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:11,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:11,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:11,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:11,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:11,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:11,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:11,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:11,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:11,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:11,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:11,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:11,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:11,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:11,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:11,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:11,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:11,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:12,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:12,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:12,084 INFO L134 CoverageAnalysis]: Checked inductivity of 35604 backedges. 178 proven. 35422 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:17:12,084 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:17:12,084 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409417704] [2021-05-02 16:17:12,084 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:17:12,084 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183791522] [2021-05-02 16:17:12,084 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1183791522] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:17:12,084 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:17:12,084 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [93] total 93 [2021-05-02 16:17:12,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223430088] [2021-05-02 16:17:12,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 93 states [2021-05-02 16:17:12,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:17:12,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2021-05-02 16:17:12,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4188, Invalid=4368, Unknown=0, NotChecked=0, Total=8556 [2021-05-02 16:17:12,086 INFO L87 Difference]: Start difference. First operand 821 states and 911 transitions. Second operand has 93 states, 93 states have (on average 6.827956989247312) internal successors, (635), 92 states have internal predecessors, (635), 92 states have call successors, (94), 92 states have call predecessors, (94), 90 states have return successors, (92), 90 states have call predecessors, (92), 91 states have call successors, (92) [2021-05-02 16:17:17,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:17:17,369 INFO L93 Difference]: Finished difference Result 835 states and 926 transitions. [2021-05-02 16:17:17,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2021-05-02 16:17:17,370 INFO L78 Accepts]: Start accepts. Automaton has has 93 states, 93 states have (on average 6.827956989247312) internal successors, (635), 92 states have internal predecessors, (635), 92 states have call successors, (94), 92 states have call predecessors, (94), 90 states have return successors, (92), 90 states have call predecessors, (92), 91 states have call successors, (92) Word has length 824 [2021-05-02 16:17:17,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:17:17,371 INFO L225 Difference]: With dead ends: 835 [2021-05-02 16:17:17,371 INFO L226 Difference]: Without dead ends: 830 [2021-05-02 16:17:17,373 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 912 GetRequests, 732 SyntacticMatches, 0 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4005 ImplicationChecksByTransitivity, 7825.5ms TimeCoverageRelationStatistics Valid=12376, Invalid=20566, Unknown=0, NotChecked=0, Total=32942 [2021-05-02 16:17:17,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2021-05-02 16:17:17,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 830. [2021-05-02 16:17:17,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 830 states, 642 states have (on average 1.1417445482866044) internal successors, (733), 642 states have internal predecessors, (733), 95 states have call successors, (95), 94 states have call predecessors, (95), 92 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2021-05-02 16:17:17,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 921 transitions. [2021-05-02 16:17:17,386 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 921 transitions. Word has length 824 [2021-05-02 16:17:17,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:17:17,386 INFO L480 AbstractCegarLoop]: Abstraction has 830 states and 921 transitions. [2021-05-02 16:17:17,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 93 states, 93 states have (on average 6.827956989247312) internal successors, (635), 92 states have internal predecessors, (635), 92 states have call successors, (94), 92 states have call predecessors, (94), 90 states have return successors, (92), 90 states have call predecessors, (92), 91 states have call successors, (92) [2021-05-02 16:17:17,387 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 921 transitions. [2021-05-02 16:17:17,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 834 [2021-05-02 16:17:17,392 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:17:17,392 INFO L523 BasicCegarLoop]: trace histogram [91, 91, 90, 90, 90, 90, 90, 90, 90, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:17:17,604 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,93 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:17:17,605 INFO L428 AbstractCegarLoop]: === Iteration 94 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:17:17,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:17:17,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1561336534, now seen corresponding path program 90 times [2021-05-02 16:17:17,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:17:17,605 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266120132] [2021-05-02 16:17:17,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:17:17,624 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:17:17,624 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1332534120] [2021-05-02 16:17:17,625 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 94 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 94 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:17:18,584 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 91 check-sat command(s) [2021-05-02 16:17:18,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:17:18,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 2197 conjuncts, 185 conjunts are in the unsatisfiable core [2021-05-02 16:17:18,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:17:18,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:18,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:19,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:20,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:21,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:22,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:23,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:23,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:23,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:23,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:23,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:23,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:23,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:23,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:23,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:23,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:23,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:23,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:23,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:23,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:23,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:23,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:23,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:23,558 INFO L134 CoverageAnalysis]: Checked inductivity of 36409 backedges. 180 proven. 36225 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:17:23,558 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:17:23,558 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266120132] [2021-05-02 16:17:23,558 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:17:23,558 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332534120] [2021-05-02 16:17:23,558 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332534120] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:17:23,558 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:17:23,558 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [94] total 94 [2021-05-02 16:17:23,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841856141] [2021-05-02 16:17:23,559 INFO L460 AbstractCegarLoop]: Interpolant automaton has 94 states [2021-05-02 16:17:23,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:17:23,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2021-05-02 16:17:23,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4280, Invalid=4462, Unknown=0, NotChecked=0, Total=8742 [2021-05-02 16:17:23,560 INFO L87 Difference]: Start difference. First operand 830 states and 921 transitions. Second operand has 94 states, 94 states have (on average 6.829787234042553) internal successors, (642), 93 states have internal predecessors, (642), 93 states have call successors, (95), 93 states have call predecessors, (95), 91 states have return successors, (93), 91 states have call predecessors, (93), 92 states have call successors, (93) [2021-05-02 16:17:28,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:17:28,947 INFO L93 Difference]: Finished difference Result 844 states and 936 transitions. [2021-05-02 16:17:28,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2021-05-02 16:17:28,948 INFO L78 Accepts]: Start accepts. Automaton has has 94 states, 94 states have (on average 6.829787234042553) internal successors, (642), 93 states have internal predecessors, (642), 93 states have call successors, (95), 93 states have call predecessors, (95), 91 states have return successors, (93), 91 states have call predecessors, (93), 92 states have call successors, (93) Word has length 833 [2021-05-02 16:17:28,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:17:28,950 INFO L225 Difference]: With dead ends: 844 [2021-05-02 16:17:28,950 INFO L226 Difference]: Without dead ends: 839 [2021-05-02 16:17:28,951 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 922 GetRequests, 740 SyntacticMatches, 0 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4095 ImplicationChecksByTransitivity, 7611.1ms TimeCoverageRelationStatistics Valid=12650, Invalid=21022, Unknown=0, NotChecked=0, Total=33672 [2021-05-02 16:17:28,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2021-05-02 16:17:28,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 839. [2021-05-02 16:17:28,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 839 states, 649 states have (on average 1.1417565485362096) internal successors, (741), 649 states have internal predecessors, (741), 96 states have call successors, (96), 95 states have call predecessors, (96), 93 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2021-05-02 16:17:28,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 839 states and 931 transitions. [2021-05-02 16:17:28,965 INFO L78 Accepts]: Start accepts. Automaton has 839 states and 931 transitions. Word has length 833 [2021-05-02 16:17:28,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:17:28,965 INFO L480 AbstractCegarLoop]: Abstraction has 839 states and 931 transitions. [2021-05-02 16:17:28,965 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 94 states, 94 states have (on average 6.829787234042553) internal successors, (642), 93 states have internal predecessors, (642), 93 states have call successors, (95), 93 states have call predecessors, (95), 91 states have return successors, (93), 91 states have call predecessors, (93), 92 states have call successors, (93) [2021-05-02 16:17:28,966 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 931 transitions. [2021-05-02 16:17:28,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 843 [2021-05-02 16:17:28,971 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:17:28,971 INFO L523 BasicCegarLoop]: trace histogram [92, 92, 91, 91, 91, 91, 91, 91, 91, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:17:29,178 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93,94 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:17:29,178 INFO L428 AbstractCegarLoop]: === Iteration 95 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:17:29,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:17:29,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1836337828, now seen corresponding path program 91 times [2021-05-02 16:17:29,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:17:29,179 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337500921] [2021-05-02 16:17:29,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:17:29,185 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:17:29,185 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [693832485] [2021-05-02 16:17:29,185 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 95 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 95 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:17:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 16:17:29,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 2220 conjuncts, 187 conjunts are in the unsatisfiable core [2021-05-02 16:17:29,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:17:29,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:29,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:30,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:31,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:32,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:33,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:34,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:34,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:34,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:34,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:34,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:34,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:34,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:34,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:34,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:34,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:34,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:34,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:34,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:34,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:34,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:34,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:34,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:34,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:34,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:34,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:34,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:34,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:34,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:34,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:34,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:34,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:34,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:34,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:34,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:34,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:35,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:35,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:35,108 INFO L134 CoverageAnalysis]: Checked inductivity of 37223 backedges. 182 proven. 37037 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:17:35,108 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:17:35,108 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337500921] [2021-05-02 16:17:35,108 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:17:35,108 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693832485] [2021-05-02 16:17:35,108 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [693832485] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:17:35,108 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:17:35,108 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95] total 95 [2021-05-02 16:17:35,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551326735] [2021-05-02 16:17:35,109 INFO L460 AbstractCegarLoop]: Interpolant automaton has 95 states [2021-05-02 16:17:35,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:17:35,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2021-05-02 16:17:35,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4373, Invalid=4557, Unknown=0, NotChecked=0, Total=8930 [2021-05-02 16:17:35,110 INFO L87 Difference]: Start difference. First operand 839 states and 931 transitions. Second operand has 95 states, 95 states have (on average 6.831578947368421) internal successors, (649), 94 states have internal predecessors, (649), 94 states have call successors, (96), 94 states have call predecessors, (96), 92 states have return successors, (94), 92 states have call predecessors, (94), 93 states have call successors, (94) [2021-05-02 16:17:40,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:17:40,718 INFO L93 Difference]: Finished difference Result 853 states and 946 transitions. [2021-05-02 16:17:40,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2021-05-02 16:17:40,719 INFO L78 Accepts]: Start accepts. Automaton has has 95 states, 95 states have (on average 6.831578947368421) internal successors, (649), 94 states have internal predecessors, (649), 94 states have call successors, (96), 94 states have call predecessors, (96), 92 states have return successors, (94), 92 states have call predecessors, (94), 93 states have call successors, (94) Word has length 842 [2021-05-02 16:17:40,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:17:40,720 INFO L225 Difference]: With dead ends: 853 [2021-05-02 16:17:40,720 INFO L226 Difference]: Without dead ends: 848 [2021-05-02 16:17:40,722 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 932 GetRequests, 748 SyntacticMatches, 0 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4186 ImplicationChecksByTransitivity, 8284.7ms TimeCoverageRelationStatistics Valid=12927, Invalid=21483, Unknown=0, NotChecked=0, Total=34410 [2021-05-02 16:17:40,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2021-05-02 16:17:40,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 848. [2021-05-02 16:17:40,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 848 states, 656 states have (on average 1.141768292682927) internal successors, (749), 656 states have internal predecessors, (749), 97 states have call successors, (97), 96 states have call predecessors, (97), 94 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2021-05-02 16:17:40,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 941 transitions. [2021-05-02 16:17:40,736 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 941 transitions. Word has length 842 [2021-05-02 16:17:40,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:17:40,736 INFO L480 AbstractCegarLoop]: Abstraction has 848 states and 941 transitions. [2021-05-02 16:17:40,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 95 states, 95 states have (on average 6.831578947368421) internal successors, (649), 94 states have internal predecessors, (649), 94 states have call successors, (96), 94 states have call predecessors, (96), 92 states have return successors, (94), 92 states have call predecessors, (94), 93 states have call successors, (94) [2021-05-02 16:17:40,736 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 941 transitions. [2021-05-02 16:17:40,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 852 [2021-05-02 16:17:40,741 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:17:40,742 INFO L523 BasicCegarLoop]: trace histogram [93, 93, 92, 92, 92, 92, 92, 92, 92, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:17:40,959 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94,95 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:17:40,959 INFO L428 AbstractCegarLoop]: === Iteration 96 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:17:40,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:17:40,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1676579222, now seen corresponding path program 92 times [2021-05-02 16:17:40,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:17:40,959 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963738167] [2021-05-02 16:17:40,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:17:40,965 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:17:40,966 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1549708113] [2021-05-02 16:17:40,966 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 96 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 96 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:17:41,279 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 16:17:41,279 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:17:41,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 2243 conjuncts, 189 conjunts are in the unsatisfiable core [2021-05-02 16:17:41,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:17:41,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:41,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:42,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:43,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:44,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:45,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:45,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:45,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:45,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:45,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:45,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:45,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:45,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:45,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:45,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:45,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:45,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:45,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:45,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:45,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:45,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:45,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:45,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:45,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:45,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:45,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:45,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:45,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:45,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:45,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:45,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:45,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:45,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:45,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:45,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:45,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:45,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:45,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:46,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:46,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:46,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:46,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:46,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:46,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:46,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:46,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:46,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:46,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:46,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:46,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:46,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:46,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:46,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:46,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:46,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:46,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:46,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:46,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:46,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:46,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:46,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:46,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:46,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:46,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:46,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:46,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:46,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:46,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:47,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:47,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:47,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:47,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:47,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:47,190 INFO L134 CoverageAnalysis]: Checked inductivity of 38046 backedges. 184 proven. 37858 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:17:47,191 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:17:47,191 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963738167] [2021-05-02 16:17:47,191 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:17:47,191 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549708113] [2021-05-02 16:17:47,191 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1549708113] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:17:47,191 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:17:47,191 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96] total 96 [2021-05-02 16:17:47,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518180920] [2021-05-02 16:17:47,191 INFO L460 AbstractCegarLoop]: Interpolant automaton has 96 states [2021-05-02 16:17:47,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:17:47,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2021-05-02 16:17:47,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4467, Invalid=4653, Unknown=0, NotChecked=0, Total=9120 [2021-05-02 16:17:47,193 INFO L87 Difference]: Start difference. First operand 848 states and 941 transitions. Second operand has 96 states, 96 states have (on average 6.833333333333333) internal successors, (656), 95 states have internal predecessors, (656), 95 states have call successors, (97), 95 states have call predecessors, (97), 93 states have return successors, (95), 93 states have call predecessors, (95), 94 states have call successors, (95) [2021-05-02 16:17:52,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:17:52,998 INFO L93 Difference]: Finished difference Result 862 states and 956 transitions. [2021-05-02 16:17:52,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2021-05-02 16:17:52,999 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 96 states have (on average 6.833333333333333) internal successors, (656), 95 states have internal predecessors, (656), 95 states have call successors, (97), 95 states have call predecessors, (97), 93 states have return successors, (95), 93 states have call predecessors, (95), 94 states have call successors, (95) Word has length 851 [2021-05-02 16:17:52,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:17:53,000 INFO L225 Difference]: With dead ends: 862 [2021-05-02 16:17:53,000 INFO L226 Difference]: Without dead ends: 857 [2021-05-02 16:17:53,001 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 942 GetRequests, 756 SyntacticMatches, 0 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4278 ImplicationChecksByTransitivity, 8654.0ms TimeCoverageRelationStatistics Valid=13207, Invalid=21949, Unknown=0, NotChecked=0, Total=35156 [2021-05-02 16:17:53,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2021-05-02 16:17:53,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 857. [2021-05-02 16:17:53,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 857 states, 663 states have (on average 1.1417797888386123) internal successors, (757), 663 states have internal predecessors, (757), 98 states have call successors, (98), 97 states have call predecessors, (98), 95 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2021-05-02 16:17:53,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 951 transitions. [2021-05-02 16:17:53,015 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 951 transitions. Word has length 851 [2021-05-02 16:17:53,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:17:53,016 INFO L480 AbstractCegarLoop]: Abstraction has 857 states and 951 transitions. [2021-05-02 16:17:53,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 96 states, 96 states have (on average 6.833333333333333) internal successors, (656), 95 states have internal predecessors, (656), 95 states have call successors, (97), 95 states have call predecessors, (97), 93 states have return successors, (95), 93 states have call predecessors, (95), 94 states have call successors, (95) [2021-05-02 16:17:53,016 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 951 transitions. [2021-05-02 16:17:53,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 861 [2021-05-02 16:17:53,021 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:17:53,021 INFO L523 BasicCegarLoop]: trace histogram [94, 94, 93, 93, 93, 93, 93, 93, 93, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:17:53,238 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95,96 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:17:53,239 INFO L428 AbstractCegarLoop]: === Iteration 97 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:17:53,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:17:53,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1990645404, now seen corresponding path program 93 times [2021-05-02 16:17:53,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:17:53,239 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609645927] [2021-05-02 16:17:53,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:17:53,246 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:17:53,246 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1476651646] [2021-05-02 16:17:53,246 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 97 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 97 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:17:54,061 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 94 check-sat command(s) [2021-05-02 16:17:54,061 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:17:54,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 2266 conjuncts, 191 conjunts are in the unsatisfiable core [2021-05-02 16:17:54,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:17:54,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:54,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:55,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:56,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:57,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:57,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:57,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:57,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:57,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:57,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:57,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:57,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:57,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:57,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:57,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:57,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:57,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:57,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:57,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:57,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:57,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:57,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:57,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:57,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:57,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:57,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:57,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:57,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:57,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:57,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:57,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:57,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:57,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:57,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:57,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:57,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:57,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:58,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:58,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:58,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:58,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:58,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:58,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:58,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:58,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:58,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:58,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:58,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:58,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:58,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:58,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:58,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:58,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:58,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:58,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:58,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:58,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:58,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:58,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:58,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:58,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:58,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:58,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:58,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:58,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:58,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:58,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:58,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:59,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:59,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:59,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:59,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:59,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:59,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:59,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:59,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:59,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:59,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:59,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:59,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:59,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:59,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:59,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:59,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:59,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:59,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:59,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:59,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:59,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:59,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:59,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:59,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:59,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:59,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:59,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:59,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:17:59,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:00,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:00,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:00,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:00,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:00,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:00,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:00,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:00,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:00,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:00,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:00,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:00,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:00,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:00,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:00,656 INFO L134 CoverageAnalysis]: Checked inductivity of 38878 backedges. 186 proven. 38688 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:18:00,657 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:18:00,657 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609645927] [2021-05-02 16:18:00,657 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:18:00,657 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476651646] [2021-05-02 16:18:00,657 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476651646] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:18:00,657 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:18:00,657 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [97] total 97 [2021-05-02 16:18:00,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596051327] [2021-05-02 16:18:00,658 INFO L460 AbstractCegarLoop]: Interpolant automaton has 97 states [2021-05-02 16:18:00,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:18:00,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2021-05-02 16:18:00,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4562, Invalid=4750, Unknown=0, NotChecked=0, Total=9312 [2021-05-02 16:18:00,659 INFO L87 Difference]: Start difference. First operand 857 states and 951 transitions. Second operand has 97 states, 97 states have (on average 6.835051546391752) internal successors, (663), 96 states have internal predecessors, (663), 96 states have call successors, (98), 96 states have call predecessors, (98), 94 states have return successors, (96), 94 states have call predecessors, (96), 95 states have call successors, (96) [2021-05-02 16:18:06,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:18:06,144 INFO L93 Difference]: Finished difference Result 871 states and 966 transitions. [2021-05-02 16:18:06,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2021-05-02 16:18:06,145 INFO L78 Accepts]: Start accepts. Automaton has has 97 states, 97 states have (on average 6.835051546391752) internal successors, (663), 96 states have internal predecessors, (663), 96 states have call successors, (98), 96 states have call predecessors, (98), 94 states have return successors, (96), 94 states have call predecessors, (96), 95 states have call successors, (96) Word has length 860 [2021-05-02 16:18:06,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:18:06,146 INFO L225 Difference]: With dead ends: 871 [2021-05-02 16:18:06,147 INFO L226 Difference]: Without dead ends: 866 [2021-05-02 16:18:06,148 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 952 GetRequests, 764 SyntacticMatches, 0 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4371 ImplicationChecksByTransitivity, 8888.9ms TimeCoverageRelationStatistics Valid=13490, Invalid=22420, Unknown=0, NotChecked=0, Total=35910 [2021-05-02 16:18:06,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2021-05-02 16:18:06,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 866. [2021-05-02 16:18:06,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 866 states, 670 states have (on average 1.1417910447761195) internal successors, (765), 670 states have internal predecessors, (765), 99 states have call successors, (99), 98 states have call predecessors, (99), 96 states have return successors, (97), 97 states have call predecessors, (97), 97 states have call successors, (97) [2021-05-02 16:18:06,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 961 transitions. [2021-05-02 16:18:06,162 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 961 transitions. Word has length 860 [2021-05-02 16:18:06,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:18:06,162 INFO L480 AbstractCegarLoop]: Abstraction has 866 states and 961 transitions. [2021-05-02 16:18:06,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 97 states, 97 states have (on average 6.835051546391752) internal successors, (663), 96 states have internal predecessors, (663), 96 states have call successors, (98), 96 states have call predecessors, (98), 94 states have return successors, (96), 94 states have call predecessors, (96), 95 states have call successors, (96) [2021-05-02 16:18:06,162 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 961 transitions. [2021-05-02 16:18:06,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 870 [2021-05-02 16:18:06,168 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:18:06,168 INFO L523 BasicCegarLoop]: trace histogram [95, 95, 94, 94, 94, 94, 94, 94, 94, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:18:06,388 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 97 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable96 [2021-05-02 16:18:06,389 INFO L428 AbstractCegarLoop]: === Iteration 98 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:18:06,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:18:06,389 INFO L82 PathProgramCache]: Analyzing trace with hash 2015680598, now seen corresponding path program 94 times [2021-05-02 16:18:06,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:18:06,389 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790981361] [2021-05-02 16:18:06,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:18:06,395 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:18:06,395 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [886260351] [2021-05-02 16:18:06,396 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 98 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 98 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:18:06,674 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 16:18:06,674 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:18:06,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 2289 conjuncts, 193 conjunts are in the unsatisfiable core [2021-05-02 16:18:06,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:18:06,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:06,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:06,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:06,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:06,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:06,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:06,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:06,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:06,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:06,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:06,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:06,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:06,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:06,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:06,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:06,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:06,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:06,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:06,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:06,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:06,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:06,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:06,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:06,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:06,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:06,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:06,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:06,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:06,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:06,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:06,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:06,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:06,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:06,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:06,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:06,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:07,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:08,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:09,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:10,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:11,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:11,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:11,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:11,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:11,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:11,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:11,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:11,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:11,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:11,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:11,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:11,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:11,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:11,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:11,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:11,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:11,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:11,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:11,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:11,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:11,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:11,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:11,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:11,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:11,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:11,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:11,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:11,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:11,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:11,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:12,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:12,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:12,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:12,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:12,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:12,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:12,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:12,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:12,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:12,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:12,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:12,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:12,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:12,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:12,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:12,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:12,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:12,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:12,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:12,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:12,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:12,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:12,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:12,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:12,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:12,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:12,934 INFO L134 CoverageAnalysis]: Checked inductivity of 39719 backedges. 188 proven. 39527 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:18:12,934 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:18:12,934 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790981361] [2021-05-02 16:18:12,934 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:18:12,934 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886260351] [2021-05-02 16:18:12,934 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886260351] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:18:12,934 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:18:12,934 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [98] total 98 [2021-05-02 16:18:12,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313125008] [2021-05-02 16:18:12,935 INFO L460 AbstractCegarLoop]: Interpolant automaton has 98 states [2021-05-02 16:18:12,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:18:12,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2021-05-02 16:18:12,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4658, Invalid=4848, Unknown=0, NotChecked=0, Total=9506 [2021-05-02 16:18:12,936 INFO L87 Difference]: Start difference. First operand 866 states and 961 transitions. Second operand has 98 states, 98 states have (on average 6.836734693877551) internal successors, (670), 97 states have internal predecessors, (670), 97 states have call successors, (99), 97 states have call predecessors, (99), 95 states have return successors, (97), 95 states have call predecessors, (97), 96 states have call successors, (97) [2021-05-02 16:18:18,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:18:18,852 INFO L93 Difference]: Finished difference Result 880 states and 976 transitions. [2021-05-02 16:18:18,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2021-05-02 16:18:18,853 INFO L78 Accepts]: Start accepts. Automaton has has 98 states, 98 states have (on average 6.836734693877551) internal successors, (670), 97 states have internal predecessors, (670), 97 states have call successors, (99), 97 states have call predecessors, (99), 95 states have return successors, (97), 95 states have call predecessors, (97), 96 states have call successors, (97) Word has length 869 [2021-05-02 16:18:18,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:18:18,855 INFO L225 Difference]: With dead ends: 880 [2021-05-02 16:18:18,855 INFO L226 Difference]: Without dead ends: 875 [2021-05-02 16:18:18,856 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 962 GetRequests, 772 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4465 ImplicationChecksByTransitivity, 8946.0ms TimeCoverageRelationStatistics Valid=13776, Invalid=22896, Unknown=0, NotChecked=0, Total=36672 [2021-05-02 16:18:18,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2021-05-02 16:18:18,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 875. [2021-05-02 16:18:18,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 875 states, 677 states have (on average 1.1418020679468242) internal successors, (773), 677 states have internal predecessors, (773), 100 states have call successors, (100), 99 states have call predecessors, (100), 97 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2021-05-02 16:18:18,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 971 transitions. [2021-05-02 16:18:18,870 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 971 transitions. Word has length 869 [2021-05-02 16:18:18,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:18:18,871 INFO L480 AbstractCegarLoop]: Abstraction has 875 states and 971 transitions. [2021-05-02 16:18:18,871 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 98 states, 98 states have (on average 6.836734693877551) internal successors, (670), 97 states have internal predecessors, (670), 97 states have call successors, (99), 97 states have call predecessors, (99), 95 states have return successors, (97), 95 states have call predecessors, (97), 96 states have call successors, (97) [2021-05-02 16:18:18,871 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 971 transitions. [2021-05-02 16:18:18,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 879 [2021-05-02 16:18:18,876 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:18:18,877 INFO L523 BasicCegarLoop]: trace histogram [96, 96, 95, 95, 95, 95, 95, 95, 95, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:18:19,092 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97,98 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:18:19,093 INFO L428 AbstractCegarLoop]: === Iteration 99 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:18:19,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:18:19,093 INFO L82 PathProgramCache]: Analyzing trace with hash 187967452, now seen corresponding path program 95 times [2021-05-02 16:18:19,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:18:19,093 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892482489] [2021-05-02 16:18:19,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:18:19,099 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:18:19,099 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [586659094] [2021-05-02 16:18:19,099 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 99 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 99 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:18:19,712 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 96 check-sat command(s) [2021-05-02 16:18:19,712 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:18:19,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 2312 conjuncts, 195 conjunts are in the unsatisfiable core [2021-05-02 16:18:19,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:18:19,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:19,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:19,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:19,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:19,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:19,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:19,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:19,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:19,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:19,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:19,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:19,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:19,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:19,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:19,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:19,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:19,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:19,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:19,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:19,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:19,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:19,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:19,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:19,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:19,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:19,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:19,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:19,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:19,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:19,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:19,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:19,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:19,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:20,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:21,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:22,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:23,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:24,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:24,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:24,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:24,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:24,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:24,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:24,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:24,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:24,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:24,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:24,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:24,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:24,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:24,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:24,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:24,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:24,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:24,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:24,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:24,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:24,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:24,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:24,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:24,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:24,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:24,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:24,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:25,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:25,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:25,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:25,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:25,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:25,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:25,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:25,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:25,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:25,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:25,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:25,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:25,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:25,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:25,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:25,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:25,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:25,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:25,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:25,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:25,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:25,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:25,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:25,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:25,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:25,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:25,931 INFO L134 CoverageAnalysis]: Checked inductivity of 40569 backedges. 190 proven. 40375 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:18:25,931 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:18:25,931 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892482489] [2021-05-02 16:18:25,931 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:18:25,931 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586659094] [2021-05-02 16:18:25,932 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586659094] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:18:25,932 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:18:25,932 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [99] total 99 [2021-05-02 16:18:25,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919549973] [2021-05-02 16:18:25,932 INFO L460 AbstractCegarLoop]: Interpolant automaton has 99 states [2021-05-02 16:18:25,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:18:25,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2021-05-02 16:18:25,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4755, Invalid=4947, Unknown=0, NotChecked=0, Total=9702 [2021-05-02 16:18:25,934 INFO L87 Difference]: Start difference. First operand 875 states and 971 transitions. Second operand has 99 states, 99 states have (on average 6.838383838383838) internal successors, (677), 98 states have internal predecessors, (677), 98 states have call successors, (100), 98 states have call predecessors, (100), 96 states have return successors, (98), 96 states have call predecessors, (98), 97 states have call successors, (98) [2021-05-02 16:18:32,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:18:32,337 INFO L93 Difference]: Finished difference Result 889 states and 986 transitions. [2021-05-02 16:18:32,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2021-05-02 16:18:32,338 INFO L78 Accepts]: Start accepts. Automaton has has 99 states, 99 states have (on average 6.838383838383838) internal successors, (677), 98 states have internal predecessors, (677), 98 states have call successors, (100), 98 states have call predecessors, (100), 96 states have return successors, (98), 96 states have call predecessors, (98), 97 states have call successors, (98) Word has length 878 [2021-05-02 16:18:32,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:18:32,339 INFO L225 Difference]: With dead ends: 889 [2021-05-02 16:18:32,339 INFO L226 Difference]: Without dead ends: 884 [2021-05-02 16:18:32,341 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 972 GetRequests, 780 SyntacticMatches, 0 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4560 ImplicationChecksByTransitivity, 9337.3ms TimeCoverageRelationStatistics Valid=14065, Invalid=23377, Unknown=0, NotChecked=0, Total=37442 [2021-05-02 16:18:32,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2021-05-02 16:18:32,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 884. [2021-05-02 16:18:32,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 884 states, 684 states have (on average 1.141812865497076) internal successors, (781), 684 states have internal predecessors, (781), 101 states have call successors, (101), 100 states have call predecessors, (101), 98 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2021-05-02 16:18:32,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 884 states and 981 transitions. [2021-05-02 16:18:32,355 INFO L78 Accepts]: Start accepts. Automaton has 884 states and 981 transitions. Word has length 878 [2021-05-02 16:18:32,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:18:32,355 INFO L480 AbstractCegarLoop]: Abstraction has 884 states and 981 transitions. [2021-05-02 16:18:32,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 99 states, 99 states have (on average 6.838383838383838) internal successors, (677), 98 states have internal predecessors, (677), 98 states have call successors, (100), 98 states have call predecessors, (100), 96 states have return successors, (98), 96 states have call predecessors, (98), 97 states have call successors, (98) [2021-05-02 16:18:32,356 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 981 transitions. [2021-05-02 16:18:32,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 888 [2021-05-02 16:18:32,363 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:18:32,364 INFO L523 BasicCegarLoop]: trace histogram [97, 97, 96, 96, 96, 96, 96, 96, 96, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:18:32,583 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98,99 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:18:32,583 INFO L428 AbstractCegarLoop]: === Iteration 100 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:18:32,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:18:32,584 INFO L82 PathProgramCache]: Analyzing trace with hash 22998806, now seen corresponding path program 96 times [2021-05-02 16:18:32,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:18:32,584 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837646991] [2021-05-02 16:18:32,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:18:32,594 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:18:32,594 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1032984877] [2021-05-02 16:18:32,594 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 100 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 100 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:18:33,686 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 97 check-sat command(s) [2021-05-02 16:18:33,686 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:18:33,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 2335 conjuncts, 197 conjunts are in the unsatisfiable core [2021-05-02 16:18:33,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:18:33,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:33,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:33,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:33,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:33,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:33,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:33,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:33,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:33,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:33,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:33,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:33,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:33,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:33,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:33,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:33,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:33,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:33,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:33,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:33,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:33,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:33,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:33,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:33,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:33,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:33,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:33,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:33,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:33,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:33,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:33,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:33,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:33,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:33,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:33,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:33,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:34,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:35,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:36,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:37,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:37,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:37,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:37,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:37,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:37,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:37,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:37,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:37,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:37,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:37,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:37,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:37,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:37,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:37,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:37,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:37,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:37,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:37,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:37,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:37,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:37,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:37,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:37,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:37,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:37,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:37,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:37,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:37,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:37,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:38,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:38,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:38,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:38,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:38,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:38,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:38,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:38,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:38,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:38,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:38,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:38,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:38,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:38,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:38,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:38,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:38,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:38,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:38,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:38,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:38,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:38,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:38,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:38,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:38,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:38,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:38,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:38,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:38,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:38,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:38,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:38,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:38,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:39,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:39,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:39,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:39,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:39,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:39,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:39,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:39,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:39,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:39,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:39,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:39,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:39,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:39,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:39,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:39,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:39,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:39,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:39,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:39,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:39,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:39,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:39,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:39,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:39,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:39,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:39,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:40,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:40,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:40,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:40,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:40,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:40,278 INFO L134 CoverageAnalysis]: Checked inductivity of 41428 backedges. 192 proven. 41232 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:18:40,279 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:18:40,279 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837646991] [2021-05-02 16:18:40,279 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:18:40,279 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032984877] [2021-05-02 16:18:40,279 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1032984877] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:18:40,279 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:18:40,279 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [100] total 100 [2021-05-02 16:18:40,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850323061] [2021-05-02 16:18:40,280 INFO L460 AbstractCegarLoop]: Interpolant automaton has 100 states [2021-05-02 16:18:40,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:18:40,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2021-05-02 16:18:40,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4853, Invalid=5047, Unknown=0, NotChecked=0, Total=9900 [2021-05-02 16:18:40,281 INFO L87 Difference]: Start difference. First operand 884 states and 981 transitions. Second operand has 100 states, 100 states have (on average 6.84) internal successors, (684), 99 states have internal predecessors, (684), 99 states have call successors, (101), 99 states have call predecessors, (101), 97 states have return successors, (99), 97 states have call predecessors, (99), 98 states have call successors, (99) [2021-05-02 16:18:46,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:18:46,753 INFO L93 Difference]: Finished difference Result 898 states and 996 transitions. [2021-05-02 16:18:46,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2021-05-02 16:18:46,754 INFO L78 Accepts]: Start accepts. Automaton has has 100 states, 100 states have (on average 6.84) internal successors, (684), 99 states have internal predecessors, (684), 99 states have call successors, (101), 99 states have call predecessors, (101), 97 states have return successors, (99), 97 states have call predecessors, (99), 98 states have call successors, (99) Word has length 887 [2021-05-02 16:18:46,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:18:46,755 INFO L225 Difference]: With dead ends: 898 [2021-05-02 16:18:46,755 INFO L226 Difference]: Without dead ends: 893 [2021-05-02 16:18:46,757 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 982 GetRequests, 788 SyntacticMatches, 0 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4656 ImplicationChecksByTransitivity, 9614.6ms TimeCoverageRelationStatistics Valid=14357, Invalid=23863, Unknown=0, NotChecked=0, Total=38220 [2021-05-02 16:18:46,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2021-05-02 16:18:46,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 893. [2021-05-02 16:18:46,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 893 states, 691 states have (on average 1.1418234442836468) internal successors, (789), 691 states have internal predecessors, (789), 102 states have call successors, (102), 101 states have call predecessors, (102), 99 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2021-05-02 16:18:46,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 893 states and 991 transitions. [2021-05-02 16:18:46,774 INFO L78 Accepts]: Start accepts. Automaton has 893 states and 991 transitions. Word has length 887 [2021-05-02 16:18:46,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:18:46,774 INFO L480 AbstractCegarLoop]: Abstraction has 893 states and 991 transitions. [2021-05-02 16:18:46,775 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 100 states, 100 states have (on average 6.84) internal successors, (684), 99 states have internal predecessors, (684), 99 states have call successors, (101), 99 states have call predecessors, (101), 97 states have return successors, (99), 97 states have call predecessors, (99), 98 states have call successors, (99) [2021-05-02 16:18:46,775 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 991 transitions. [2021-05-02 16:18:46,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 897 [2021-05-02 16:18:46,782 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:18:46,782 INFO L523 BasicCegarLoop]: trace histogram [98, 98, 97, 97, 97, 97, 97, 97, 97, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:18:46,990 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 100 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable99 [2021-05-02 16:18:46,991 INFO L428 AbstractCegarLoop]: === Iteration 101 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:18:46,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:18:46,991 INFO L82 PathProgramCache]: Analyzing trace with hash -905467620, now seen corresponding path program 97 times [2021-05-02 16:18:46,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:18:46,991 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198576847] [2021-05-02 16:18:46,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:18:47,016 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:18:47,017 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2101346071] [2021-05-02 16:18:47,017 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 101 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 101 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:18:47,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 16:18:47,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 2358 conjuncts, 199 conjunts are in the unsatisfiable core [2021-05-02 16:18:47,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:18:47,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:47,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:48,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:49,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:50,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:51,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:51,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:51,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:51,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:51,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:51,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:51,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:51,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:51,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:51,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:51,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:51,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:51,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:51,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:51,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:51,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:51,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:51,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:51,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:51,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:51,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:51,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:51,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:51,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:51,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:51,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:51,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:51,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:51,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:51,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:51,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:51,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:51,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:52,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:52,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:52,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:52,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:52,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:52,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:52,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:52,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:52,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:52,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:52,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:52,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:52,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:52,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:52,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:52,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:52,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:52,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:52,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:52,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:52,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:52,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:52,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:52,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:52,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:52,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:52,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:52,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:52,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:52,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:53,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:53,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:53,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:53,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:53,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:53,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:53,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:53,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:53,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:53,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:53,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:53,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:53,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:53,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:53,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:53,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:53,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:53,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:53,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:53,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:53,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:53,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:53,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:53,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:54,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:54,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:54,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:54,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:54,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:18:54,189 INFO L134 CoverageAnalysis]: Checked inductivity of 42296 backedges. 194 proven. 42098 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:18:54,189 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:18:54,189 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198576847] [2021-05-02 16:18:54,189 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:18:54,189 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101346071] [2021-05-02 16:18:54,190 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2101346071] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:18:54,190 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:18:54,190 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [101] total 101 [2021-05-02 16:18:54,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197836668] [2021-05-02 16:18:54,190 INFO L460 AbstractCegarLoop]: Interpolant automaton has 101 states [2021-05-02 16:18:54,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:18:54,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2021-05-02 16:18:54,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4952, Invalid=5148, Unknown=0, NotChecked=0, Total=10100 [2021-05-02 16:18:54,192 INFO L87 Difference]: Start difference. First operand 893 states and 991 transitions. Second operand has 101 states, 101 states have (on average 6.841584158415841) internal successors, (691), 100 states have internal predecessors, (691), 100 states have call successors, (102), 100 states have call predecessors, (102), 98 states have return successors, (100), 98 states have call predecessors, (100), 99 states have call successors, (100) [2021-05-02 16:19:01,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:19:01,339 INFO L93 Difference]: Finished difference Result 907 states and 1006 transitions. [2021-05-02 16:19:01,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2021-05-02 16:19:01,340 INFO L78 Accepts]: Start accepts. Automaton has has 101 states, 101 states have (on average 6.841584158415841) internal successors, (691), 100 states have internal predecessors, (691), 100 states have call successors, (102), 100 states have call predecessors, (102), 98 states have return successors, (100), 98 states have call predecessors, (100), 99 states have call successors, (100) Word has length 896 [2021-05-02 16:19:01,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:19:01,342 INFO L225 Difference]: With dead ends: 907 [2021-05-02 16:19:01,342 INFO L226 Difference]: Without dead ends: 902 [2021-05-02 16:19:01,344 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 992 GetRequests, 796 SyntacticMatches, 0 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4753 ImplicationChecksByTransitivity, 10255.0ms TimeCoverageRelationStatistics Valid=14652, Invalid=24354, Unknown=0, NotChecked=0, Total=39006 [2021-05-02 16:19:01,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2021-05-02 16:19:01,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 902. [2021-05-02 16:19:01,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 902 states, 698 states have (on average 1.1418338108882522) internal successors, (797), 698 states have internal predecessors, (797), 103 states have call successors, (103), 102 states have call predecessors, (103), 100 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2021-05-02 16:19:01,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1001 transitions. [2021-05-02 16:19:01,358 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1001 transitions. Word has length 896 [2021-05-02 16:19:01,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:19:01,359 INFO L480 AbstractCegarLoop]: Abstraction has 902 states and 1001 transitions. [2021-05-02 16:19:01,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 101 states, 101 states have (on average 6.841584158415841) internal successors, (691), 100 states have internal predecessors, (691), 100 states have call successors, (102), 100 states have call predecessors, (102), 98 states have return successors, (100), 98 states have call predecessors, (100), 99 states have call successors, (100) [2021-05-02 16:19:01,359 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1001 transitions. [2021-05-02 16:19:01,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 906 [2021-05-02 16:19:01,365 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:19:01,365 INFO L523 BasicCegarLoop]: trace histogram [99, 99, 98, 98, 98, 98, 98, 98, 98, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:19:01,582 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 101 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable100 [2021-05-02 16:19:01,582 INFO L428 AbstractCegarLoop]: === Iteration 102 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:19:01,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:19:01,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1414059478, now seen corresponding path program 98 times [2021-05-02 16:19:01,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:19:01,583 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654805332] [2021-05-02 16:19:01,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:19:01,589 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:19:01,589 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1132063375] [2021-05-02 16:19:01,589 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 102 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 102 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:19:01,846 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 16:19:01,846 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:19:01,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 2381 conjuncts, 201 conjunts are in the unsatisfiable core [2021-05-02 16:19:01,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:19:01,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:01,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:01,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:01,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:01,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:01,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:01,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:01,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:01,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:01,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:01,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:01,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:01,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:01,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:01,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:01,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:02,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:03,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:04,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:05,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:05,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:05,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:05,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:05,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:05,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:05,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:05,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:05,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:05,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:05,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:05,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:05,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:05,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:05,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:05,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:05,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:05,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:05,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:05,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:05,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:05,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:05,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:05,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:05,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:05,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:05,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:05,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:05,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:05,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:05,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:05,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:05,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:06,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:06,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:06,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:06,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:06,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:06,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:06,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:06,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:06,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:06,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:06,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:06,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:06,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:06,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:06,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:06,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:06,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:06,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:06,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:06,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:06,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:06,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:06,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:06,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:06,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:06,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:06,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:06,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:06,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:06,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:07,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:07,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:07,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:07,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:07,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:07,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:07,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:07,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:07,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:07,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:07,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:07,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:07,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:07,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:07,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:07,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:07,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:07,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:07,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:07,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:07,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:07,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:07,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:07,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:08,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:08,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:08,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:08,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:08,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:08,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:08,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:08,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:08,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:08,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:08,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:08,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:08,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:08,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:08,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:08,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:08,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:08,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:08,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:08,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:08,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:08,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:08,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:08,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:09,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:09,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:09,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:09,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:09,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:09,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:09,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:09,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:09,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:09,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:09,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:09,472 INFO L134 CoverageAnalysis]: Checked inductivity of 43173 backedges. 196 proven. 42973 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:19:09,472 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:19:09,472 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654805332] [2021-05-02 16:19:09,472 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:19:09,472 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132063375] [2021-05-02 16:19:09,473 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132063375] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:19:09,473 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:19:09,473 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [102] total 102 [2021-05-02 16:19:09,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703289906] [2021-05-02 16:19:09,473 INFO L460 AbstractCegarLoop]: Interpolant automaton has 102 states [2021-05-02 16:19:09,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:19:09,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2021-05-02 16:19:09,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5052, Invalid=5250, Unknown=0, NotChecked=0, Total=10302 [2021-05-02 16:19:09,475 INFO L87 Difference]: Start difference. First operand 902 states and 1001 transitions. Second operand has 102 states, 102 states have (on average 6.8431372549019605) internal successors, (698), 101 states have internal predecessors, (698), 101 states have call successors, (103), 101 states have call predecessors, (103), 99 states have return successors, (101), 99 states have call predecessors, (101), 100 states have call successors, (101) [2021-05-02 16:19:15,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:19:15,635 INFO L93 Difference]: Finished difference Result 916 states and 1016 transitions. [2021-05-02 16:19:15,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2021-05-02 16:19:15,636 INFO L78 Accepts]: Start accepts. Automaton has has 102 states, 102 states have (on average 6.8431372549019605) internal successors, (698), 101 states have internal predecessors, (698), 101 states have call successors, (103), 101 states have call predecessors, (103), 99 states have return successors, (101), 99 states have call predecessors, (101), 100 states have call successors, (101) Word has length 905 [2021-05-02 16:19:15,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:19:15,637 INFO L225 Difference]: With dead ends: 916 [2021-05-02 16:19:15,637 INFO L226 Difference]: Without dead ends: 911 [2021-05-02 16:19:15,639 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 1002 GetRequests, 804 SyntacticMatches, 0 SemanticMatches, 198 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4851 ImplicationChecksByTransitivity, 10037.4ms TimeCoverageRelationStatistics Valid=14950, Invalid=24850, Unknown=0, NotChecked=0, Total=39800 [2021-05-02 16:19:15,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2021-05-02 16:19:15,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 911. [2021-05-02 16:19:15,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 911 states, 705 states have (on average 1.1418439716312057) internal successors, (805), 705 states have internal predecessors, (805), 104 states have call successors, (104), 103 states have call predecessors, (104), 101 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2021-05-02 16:19:15,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1011 transitions. [2021-05-02 16:19:15,669 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1011 transitions. Word has length 905 [2021-05-02 16:19:15,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:19:15,670 INFO L480 AbstractCegarLoop]: Abstraction has 911 states and 1011 transitions. [2021-05-02 16:19:15,670 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 102 states, 102 states have (on average 6.8431372549019605) internal successors, (698), 101 states have internal predecessors, (698), 101 states have call successors, (103), 101 states have call predecessors, (103), 99 states have return successors, (101), 99 states have call predecessors, (101), 100 states have call successors, (101) [2021-05-02 16:19:15,670 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1011 transitions. [2021-05-02 16:19:15,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 915 [2021-05-02 16:19:15,676 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:19:15,676 INFO L523 BasicCegarLoop]: trace histogram [100, 100, 99, 99, 99, 99, 99, 99, 99, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:19:15,893 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 102 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable101 [2021-05-02 16:19:15,894 INFO L428 AbstractCegarLoop]: === Iteration 103 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:19:15,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:19:15,894 INFO L82 PathProgramCache]: Analyzing trace with hash -537568676, now seen corresponding path program 99 times [2021-05-02 16:19:15,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:19:15,894 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187320079] [2021-05-02 16:19:15,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:19:15,901 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:19:15,901 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [20867699] [2021-05-02 16:19:15,901 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 103 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 103 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:19:16,774 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 100 check-sat command(s) [2021-05-02 16:19:16,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 16:19:16,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 2404 conjuncts, 203 conjunts are in the unsatisfiable core [2021-05-02 16:19:16,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 16:19:16,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:16,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:16,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:16,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:16,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:16,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:16,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:16,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:16,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:16,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:16,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:16,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:16,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:16,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:16,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:16,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:16,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:16,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:16,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:17,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:18,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:19,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:20,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:21,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:21,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:21,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:21,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:21,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:21,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:21,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:21,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:21,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:21,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:21,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:21,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:21,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:21,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:21,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:21,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:21,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:21,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:21,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:21,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:21,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:21,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:21,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:21,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:21,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:21,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:21,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:21,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:21,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:21,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:21,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:21,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:21,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:22,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:22,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:22,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:22,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:22,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:22,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:22,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:22,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:22,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:22,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:22,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:22,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:22,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:22,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:22,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:22,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:22,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:22,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:22,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:22,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:22,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:22,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:22,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:22,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:22,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:22,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:22,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:23,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:23,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:23,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:23,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:23,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:23,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:23,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:23,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:23,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:23,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:23,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:23,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:23,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:23,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:23,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:23,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:23,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:23,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:23,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:23,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:23,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:23,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:23,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:23,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:23,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:23,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:23,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:24,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:24,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:24,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:24,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:24,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:24,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:24,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:24,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 16:19:24,330 INFO L134 CoverageAnalysis]: Checked inductivity of 44059 backedges. 198 proven. 43857 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 16:19:24,330 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 16:19:24,331 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187320079] [2021-05-02 16:19:24,331 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 16:19:24,331 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [20867699] [2021-05-02 16:19:24,331 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [20867699] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 16:19:24,331 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 16:19:24,331 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [103] total 103 [2021-05-02 16:19:24,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151886699] [2021-05-02 16:19:24,331 INFO L460 AbstractCegarLoop]: Interpolant automaton has 103 states [2021-05-02 16:19:24,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 16:19:24,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2021-05-02 16:19:24,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5153, Invalid=5353, Unknown=0, NotChecked=0, Total=10506 [2021-05-02 16:19:24,333 INFO L87 Difference]: Start difference. First operand 911 states and 1011 transitions. Second operand has 103 states, 103 states have (on average 6.844660194174757) internal successors, (705), 102 states have internal predecessors, (705), 102 states have call successors, (104), 102 states have call predecessors, (104), 100 states have return successors, (102), 100 states have call predecessors, (102), 101 states have call successors, (102) [2021-05-02 16:19:31,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 16:19:31,559 INFO L93 Difference]: Finished difference Result 925 states and 1026 transitions. [2021-05-02 16:19:31,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2021-05-02 16:19:31,561 INFO L78 Accepts]: Start accepts. Automaton has has 103 states, 103 states have (on average 6.844660194174757) internal successors, (705), 102 states have internal predecessors, (705), 102 states have call successors, (104), 102 states have call predecessors, (104), 100 states have return successors, (102), 100 states have call predecessors, (102), 101 states have call successors, (102) Word has length 914 [2021-05-02 16:19:31,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 16:19:31,562 INFO L225 Difference]: With dead ends: 925 [2021-05-02 16:19:31,562 INFO L226 Difference]: Without dead ends: 920 [2021-05-02 16:19:31,564 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 1012 GetRequests, 812 SyntacticMatches, 0 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4950 ImplicationChecksByTransitivity, 10796.9ms TimeCoverageRelationStatistics Valid=15251, Invalid=25351, Unknown=0, NotChecked=0, Total=40602 [2021-05-02 16:19:31,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2021-05-02 16:19:31,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 920. [2021-05-02 16:19:31,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 920 states, 712 states have (on average 1.1418539325842696) internal successors, (813), 712 states have internal predecessors, (813), 105 states have call successors, (105), 104 states have call predecessors, (105), 102 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2021-05-02 16:19:31,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1021 transitions. [2021-05-02 16:19:31,585 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1021 transitions. Word has length 914 [2021-05-02 16:19:31,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 16:19:31,586 INFO L480 AbstractCegarLoop]: Abstraction has 920 states and 1021 transitions. [2021-05-02 16:19:31,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 103 states, 103 states have (on average 6.844660194174757) internal successors, (705), 102 states have internal predecessors, (705), 102 states have call successors, (104), 102 states have call predecessors, (104), 100 states have return successors, (102), 100 states have call predecessors, (102), 101 states have call successors, (102) [2021-05-02 16:19:31,586 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1021 transitions. [2021-05-02 16:19:31,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 924 [2021-05-02 16:19:31,592 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 16:19:31,592 INFO L523 BasicCegarLoop]: trace histogram [101, 101, 100, 100, 100, 100, 100, 100, 100, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 16:19:31,812 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 103 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable102 [2021-05-02 16:19:31,813 INFO L428 AbstractCegarLoop]: === Iteration 104 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 16:19:31,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 16:19:31,813 INFO L82 PathProgramCache]: Analyzing trace with hash 1921944726, now seen corresponding path program 100 times [2021-05-02 16:19:31,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 16:19:31,813 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404117791] [2021-05-02 16:19:31,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 16:19:31,820 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 16:19:31,820 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1191660357] [2021-05-02 16:19:31,820 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 104 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 104 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 16:19:32,124 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 16:19:32,124 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-05-02 16:19:32,124 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-02 16:19:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-02 16:19:32,310 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-02 16:19:33,952 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-05-02 16:19:33,953 INFO L624 BasicCegarLoop]: Counterexample might be feasible [2021-05-02 16:19:34,172 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 104 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable103 [2021-05-02 16:19:34,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.05 04:19:34 BoogieIcfgContainer [2021-05-02 16:19:34,307 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-02 16:19:34,308 INFO L168 Benchmark]: Toolchain (without parser) took 488224.19 ms. Allocated memory was 178.3 MB in the beginning and 769.7 MB in the end (delta: 591.4 MB). Free memory was 142.7 MB in the beginning and 383.7 MB in the end (delta: -241.1 MB). Peak memory consumption was 351.3 MB. Max. memory is 8.0 GB. [2021-05-02 16:19:34,308 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 178.3 MB. Free memory is still 159.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-05-02 16:19:34,308 INFO L168 Benchmark]: CACSL2BoogieTranslator took 238.12 ms. Allocated memory is still 178.3 MB. Free memory was 142.5 MB in the beginning and 161.5 MB in the end (delta: -19.0 MB). Peak memory consumption was 11.1 MB. Max. memory is 8.0 GB. [2021-05-02 16:19:34,308 INFO L168 Benchmark]: Boogie Preprocessor took 37.92 ms. Allocated memory is still 178.3 MB. Free memory was 161.5 MB in the beginning and 159.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-05-02 16:19:34,308 INFO L168 Benchmark]: RCFGBuilder took 261.79 ms. Allocated memory is still 178.3 MB. Free memory was 159.9 MB in the beginning and 144.7 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-05-02 16:19:34,308 INFO L168 Benchmark]: TraceAbstraction took 487665.87 ms. Allocated memory was 178.3 MB in the beginning and 769.7 MB in the end (delta: 591.4 MB). Free memory was 144.2 MB in the beginning and 383.7 MB in the end (delta: -239.6 MB). Peak memory consumption was 352.8 MB. Max. memory is 8.0 GB. [2021-05-02 16:19:34,308 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 178.3 MB. Free memory is still 159.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 238.12 ms. Allocated memory is still 178.3 MB. Free memory was 142.5 MB in the beginning and 161.5 MB in the end (delta: -19.0 MB). Peak memory consumption was 11.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 37.92 ms. Allocated memory is still 178.3 MB. Free memory was 161.5 MB in the beginning and 159.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 261.79 ms. Allocated memory is still 178.3 MB. Free memory was 159.9 MB in the beginning and 144.7 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 487665.87 ms. Allocated memory was 178.3 MB in the beginning and 769.7 MB in the end (delta: 591.4 MB). Free memory was 144.2 MB in the beginning and 383.7 MB in the end (delta: -239.6 MB). Peak memory consumption was 352.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L22] int counter = 0; VAL [\old(counter)=107, counter=0] [L24] int x1, x2; [L25] int y1, y2, y3; [L26] x1 = __VERIFIER_nondet_int() [L27] x2 = __VERIFIER_nondet_int() [L29] CALL assume_abort_if_not(x1 >= 0) VAL [\old(cond)=1, \old(counter)=0, counter=0] [L13] COND FALSE !(!cond) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=0] [L29] RET assume_abort_if_not(x1 >= 0) VAL [\old(counter)=0, counter=0, x1=101, x2=1] [L30] CALL assume_abort_if_not(x2 != 0) VAL [\old(cond)=1, \old(counter)=0, counter=0] [L13] COND FALSE !(!cond) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=0] [L30] RET assume_abort_if_not(x2 != 0) VAL [\old(counter)=0, counter=0, x1=101, x2=1] [L32] y1 = 0 [L33] y2 = 0 [L34] y3 = x1 VAL [\old(counter)=0, counter=0, x1=101, x2=1, y1=0, y2=0, y3=101] [L36] EXPR counter++ VAL [\old(counter)=0, counter=1, counter++=0, x1=101, x2=1, y1=0, y2=0, y3=101] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=1] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=1] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=1, x1=101, x2=1, y1=0, y2=0, y3=101] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=1, x1=101, x2=1, y1=0, y2=0, y3=101] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=1, x1=101, x2=1, y1=1, y2=0, y3=100] [L36] EXPR counter++ VAL [\old(counter)=0, counter=2, counter++=1, x1=101, x2=1, y1=1, y2=0, y3=100] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=2] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=2] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=2, x1=101, x2=1, y1=1, y2=0, y3=100] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=2, x1=101, x2=1, y1=1, y2=0, y3=100] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=2, x1=101, x2=1, y1=2, y2=0, y3=99] [L36] EXPR counter++ VAL [\old(counter)=0, counter=3, counter++=2, x1=101, x2=1, y1=2, y2=0, y3=99] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=3] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=3] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=3, x1=101, x2=1, y1=2, y2=0, y3=99] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=3, x1=101, x2=1, y1=2, y2=0, y3=99] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=3, x1=101, x2=1, y1=3, y2=0, y3=98] [L36] EXPR counter++ VAL [\old(counter)=0, counter=4, counter++=3, x1=101, x2=1, y1=3, y2=0, y3=98] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=4] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=4] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=4, x1=101, x2=1, y1=3, y2=0, y3=98] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=4, x1=101, x2=1, y1=3, y2=0, y3=98] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=4, x1=101, x2=1, y1=4, y2=0, y3=97] [L36] EXPR counter++ VAL [\old(counter)=0, counter=5, counter++=4, x1=101, x2=1, y1=4, y2=0, y3=97] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=5] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=5] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=5, x1=101, x2=1, y1=4, y2=0, y3=97] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=5, x1=101, x2=1, y1=4, y2=0, y3=97] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=5, x1=101, x2=1, y1=5, y2=0, y3=96] [L36] EXPR counter++ VAL [\old(counter)=0, counter=6, counter++=5, x1=101, x2=1, y1=5, y2=0, y3=96] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=6] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=6] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=6, x1=101, x2=1, y1=5, y2=0, y3=96] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=6, x1=101, x2=1, y1=5, y2=0, y3=96] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=6, x1=101, x2=1, y1=6, y2=0, y3=95] [L36] EXPR counter++ VAL [\old(counter)=0, counter=7, counter++=6, x1=101, x2=1, y1=6, y2=0, y3=95] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=7] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=7] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=7, x1=101, x2=1, y1=6, y2=0, y3=95] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=7, x1=101, x2=1, y1=6, y2=0, y3=95] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=7, x1=101, x2=1, y1=7, y2=0, y3=94] [L36] EXPR counter++ VAL [\old(counter)=0, counter=8, counter++=7, x1=101, x2=1, y1=7, y2=0, y3=94] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=8] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=8] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=8, x1=101, x2=1, y1=7, y2=0, y3=94] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=8, x1=101, x2=1, y1=7, y2=0, y3=94] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=8, x1=101, x2=1, y1=8, y2=0, y3=93] [L36] EXPR counter++ VAL [\old(counter)=0, counter=9, counter++=8, x1=101, x2=1, y1=8, y2=0, y3=93] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=9] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=9] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=9, x1=101, x2=1, y1=8, y2=0, y3=93] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=9, x1=101, x2=1, y1=8, y2=0, y3=93] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=9, x1=101, x2=1, y1=9, y2=0, y3=92] [L36] EXPR counter++ VAL [\old(counter)=0, counter=10, counter++=9, x1=101, x2=1, y1=9, y2=0, y3=92] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=10] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=10] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=10, x1=101, x2=1, y1=9, y2=0, y3=92] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=10, x1=101, x2=1, y1=9, y2=0, y3=92] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=10, x1=101, x2=1, y1=10, y2=0, y3=91] [L36] EXPR counter++ VAL [\old(counter)=0, counter=11, counter++=10, x1=101, x2=1, y1=10, y2=0, y3=91] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=11] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=11] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=11, x1=101, x2=1, y1=10, y2=0, y3=91] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=11, x1=101, x2=1, y1=10, y2=0, y3=91] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=11, x1=101, x2=1, y1=11, y2=0, y3=90] [L36] EXPR counter++ VAL [\old(counter)=0, counter=12, counter++=11, x1=101, x2=1, y1=11, y2=0, y3=90] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=12] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=12] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=12, x1=101, x2=1, y1=11, y2=0, y3=90] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=12, x1=101, x2=1, y1=11, y2=0, y3=90] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=12, x1=101, x2=1, y1=12, y2=0, y3=89] [L36] EXPR counter++ VAL [\old(counter)=0, counter=13, counter++=12, x1=101, x2=1, y1=12, y2=0, y3=89] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=13] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=13] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=13, x1=101, x2=1, y1=12, y2=0, y3=89] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=13, x1=101, x2=1, y1=12, y2=0, y3=89] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=13, x1=101, x2=1, y1=13, y2=0, y3=88] [L36] EXPR counter++ VAL [\old(counter)=0, counter=14, counter++=13, x1=101, x2=1, y1=13, y2=0, y3=88] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=14] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=14] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=14, x1=101, x2=1, y1=13, y2=0, y3=88] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=14, x1=101, x2=1, y1=13, y2=0, y3=88] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=14, x1=101, x2=1, y1=14, y2=0, y3=87] [L36] EXPR counter++ VAL [\old(counter)=0, counter=15, counter++=14, x1=101, x2=1, y1=14, y2=0, y3=87] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=15] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=15] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=15, x1=101, x2=1, y1=14, y2=0, y3=87] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=15, x1=101, x2=1, y1=14, y2=0, y3=87] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=15, x1=101, x2=1, y1=15, y2=0, y3=86] [L36] EXPR counter++ VAL [\old(counter)=0, counter=16, counter++=15, x1=101, x2=1, y1=15, y2=0, y3=86] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=16] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=16] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=16, x1=101, x2=1, y1=15, y2=0, y3=86] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=16, x1=101, x2=1, y1=15, y2=0, y3=86] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=16, x1=101, x2=1, y1=16, y2=0, y3=85] [L36] EXPR counter++ VAL [\old(counter)=0, counter=17, counter++=16, x1=101, x2=1, y1=16, y2=0, y3=85] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=17] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=17] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=17, x1=101, x2=1, y1=16, y2=0, y3=85] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=17, x1=101, x2=1, y1=16, y2=0, y3=85] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=17, x1=101, x2=1, y1=17, y2=0, y3=84] [L36] EXPR counter++ VAL [\old(counter)=0, counter=18, counter++=17, x1=101, x2=1, y1=17, y2=0, y3=84] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=18] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=18] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=18, x1=101, x2=1, y1=17, y2=0, y3=84] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=18, x1=101, x2=1, y1=17, y2=0, y3=84] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=18, x1=101, x2=1, y1=18, y2=0, y3=83] [L36] EXPR counter++ VAL [\old(counter)=0, counter=19, counter++=18, x1=101, x2=1, y1=18, y2=0, y3=83] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=19] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=19] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=19, x1=101, x2=1, y1=18, y2=0, y3=83] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=19, x1=101, x2=1, y1=18, y2=0, y3=83] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=19, x1=101, x2=1, y1=19, y2=0, y3=82] [L36] EXPR counter++ VAL [\old(counter)=0, counter=20, counter++=19, x1=101, x2=1, y1=19, y2=0, y3=82] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=20] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=20] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=20, x1=101, x2=1, y1=19, y2=0, y3=82] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=20, x1=101, x2=1, y1=19, y2=0, y3=82] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=20, x1=101, x2=1, y1=20, y2=0, y3=81] [L36] EXPR counter++ VAL [\old(counter)=0, counter=21, counter++=20, x1=101, x2=1, y1=20, y2=0, y3=81] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=21] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=21] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=21, x1=101, x2=1, y1=20, y2=0, y3=81] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=21, x1=101, x2=1, y1=20, y2=0, y3=81] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=21, x1=101, x2=1, y1=21, y2=0, y3=80] [L36] EXPR counter++ VAL [\old(counter)=0, counter=22, counter++=21, x1=101, x2=1, y1=21, y2=0, y3=80] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=22] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=22] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=22, x1=101, x2=1, y1=21, y2=0, y3=80] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=22, x1=101, x2=1, y1=21, y2=0, y3=80] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=22, x1=101, x2=1, y1=22, y2=0, y3=79] [L36] EXPR counter++ VAL [\old(counter)=0, counter=23, counter++=22, x1=101, x2=1, y1=22, y2=0, y3=79] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=23] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=23] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=23, x1=101, x2=1, y1=22, y2=0, y3=79] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=23, x1=101, x2=1, y1=22, y2=0, y3=79] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=23, x1=101, x2=1, y1=23, y2=0, y3=78] [L36] EXPR counter++ VAL [\old(counter)=0, counter=24, counter++=23, x1=101, x2=1, y1=23, y2=0, y3=78] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=24] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=24] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=24, x1=101, x2=1, y1=23, y2=0, y3=78] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=24, x1=101, x2=1, y1=23, y2=0, y3=78] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=24, x1=101, x2=1, y1=24, y2=0, y3=77] [L36] EXPR counter++ VAL [\old(counter)=0, counter=25, counter++=24, x1=101, x2=1, y1=24, y2=0, y3=77] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=25] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=25] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=25, x1=101, x2=1, y1=24, y2=0, y3=77] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=25, x1=101, x2=1, y1=24, y2=0, y3=77] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=25, x1=101, x2=1, y1=25, y2=0, y3=76] [L36] EXPR counter++ VAL [\old(counter)=0, counter=26, counter++=25, x1=101, x2=1, y1=25, y2=0, y3=76] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=26] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=26] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=26, x1=101, x2=1, y1=25, y2=0, y3=76] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=26, x1=101, x2=1, y1=25, y2=0, y3=76] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=26, x1=101, x2=1, y1=26, y2=0, y3=75] [L36] EXPR counter++ VAL [\old(counter)=0, counter=27, counter++=26, x1=101, x2=1, y1=26, y2=0, y3=75] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=27] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=27] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=27, x1=101, x2=1, y1=26, y2=0, y3=75] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=27, x1=101, x2=1, y1=26, y2=0, y3=75] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=27, x1=101, x2=1, y1=27, y2=0, y3=74] [L36] EXPR counter++ VAL [\old(counter)=0, counter=28, counter++=27, x1=101, x2=1, y1=27, y2=0, y3=74] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=28] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=28] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=28, x1=101, x2=1, y1=27, y2=0, y3=74] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=28, x1=101, x2=1, y1=27, y2=0, y3=74] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=28, x1=101, x2=1, y1=28, y2=0, y3=73] [L36] EXPR counter++ VAL [\old(counter)=0, counter=29, counter++=28, x1=101, x2=1, y1=28, y2=0, y3=73] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=29] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=29] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=29, x1=101, x2=1, y1=28, y2=0, y3=73] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=29, x1=101, x2=1, y1=28, y2=0, y3=73] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=29, x1=101, x2=1, y1=29, y2=0, y3=72] [L36] EXPR counter++ VAL [\old(counter)=0, counter=30, counter++=29, x1=101, x2=1, y1=29, y2=0, y3=72] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=30] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=30] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=30, x1=101, x2=1, y1=29, y2=0, y3=72] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=30, x1=101, x2=1, y1=29, y2=0, y3=72] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=30, x1=101, x2=1, y1=30, y2=0, y3=71] [L36] EXPR counter++ VAL [\old(counter)=0, counter=31, counter++=30, x1=101, x2=1, y1=30, y2=0, y3=71] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=31] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=31] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=31, x1=101, x2=1, y1=30, y2=0, y3=71] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=31, x1=101, x2=1, y1=30, y2=0, y3=71] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=31, x1=101, x2=1, y1=31, y2=0, y3=70] [L36] EXPR counter++ VAL [\old(counter)=0, counter=32, counter++=31, x1=101, x2=1, y1=31, y2=0, y3=70] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=32] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=32] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=32, x1=101, x2=1, y1=31, y2=0, y3=70] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=32, x1=101, x2=1, y1=31, y2=0, y3=70] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=32, x1=101, x2=1, y1=32, y2=0, y3=69] [L36] EXPR counter++ VAL [\old(counter)=0, counter=33, counter++=32, x1=101, x2=1, y1=32, y2=0, y3=69] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=33] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=33] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=33, x1=101, x2=1, y1=32, y2=0, y3=69] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=33, x1=101, x2=1, y1=32, y2=0, y3=69] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=33, x1=101, x2=1, y1=33, y2=0, y3=68] [L36] EXPR counter++ VAL [\old(counter)=0, counter=34, counter++=33, x1=101, x2=1, y1=33, y2=0, y3=68] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=34] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=34] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=34, x1=101, x2=1, y1=33, y2=0, y3=68] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=34, x1=101, x2=1, y1=33, y2=0, y3=68] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=34, x1=101, x2=1, y1=34, y2=0, y3=67] [L36] EXPR counter++ VAL [\old(counter)=0, counter=35, counter++=34, x1=101, x2=1, y1=34, y2=0, y3=67] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=35] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=35] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=35, x1=101, x2=1, y1=34, y2=0, y3=67] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=35, x1=101, x2=1, y1=34, y2=0, y3=67] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=35, x1=101, x2=1, y1=35, y2=0, y3=66] [L36] EXPR counter++ VAL [\old(counter)=0, counter=36, counter++=35, x1=101, x2=1, y1=35, y2=0, y3=66] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=36] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=36] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=36, x1=101, x2=1, y1=35, y2=0, y3=66] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=36, x1=101, x2=1, y1=35, y2=0, y3=66] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=36, x1=101, x2=1, y1=36, y2=0, y3=65] [L36] EXPR counter++ VAL [\old(counter)=0, counter=37, counter++=36, x1=101, x2=1, y1=36, y2=0, y3=65] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=37] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=37] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=37, x1=101, x2=1, y1=36, y2=0, y3=65] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=37, x1=101, x2=1, y1=36, y2=0, y3=65] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=37, x1=101, x2=1, y1=37, y2=0, y3=64] [L36] EXPR counter++ VAL [\old(counter)=0, counter=38, counter++=37, x1=101, x2=1, y1=37, y2=0, y3=64] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=38] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=38] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=38, x1=101, x2=1, y1=37, y2=0, y3=64] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=38, x1=101, x2=1, y1=37, y2=0, y3=64] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=38, x1=101, x2=1, y1=38, y2=0, y3=63] [L36] EXPR counter++ VAL [\old(counter)=0, counter=39, counter++=38, x1=101, x2=1, y1=38, y2=0, y3=63] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=39] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=39] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=39, x1=101, x2=1, y1=38, y2=0, y3=63] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=39, x1=101, x2=1, y1=38, y2=0, y3=63] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=39, x1=101, x2=1, y1=39, y2=0, y3=62] [L36] EXPR counter++ VAL [\old(counter)=0, counter=40, counter++=39, x1=101, x2=1, y1=39, y2=0, y3=62] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=40] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=40] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=40, x1=101, x2=1, y1=39, y2=0, y3=62] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=40, x1=101, x2=1, y1=39, y2=0, y3=62] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=40, x1=101, x2=1, y1=40, y2=0, y3=61] [L36] EXPR counter++ VAL [\old(counter)=0, counter=41, counter++=40, x1=101, x2=1, y1=40, y2=0, y3=61] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=41] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=41] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=41, x1=101, x2=1, y1=40, y2=0, y3=61] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=41, x1=101, x2=1, y1=40, y2=0, y3=61] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=41, x1=101, x2=1, y1=41, y2=0, y3=60] [L36] EXPR counter++ VAL [\old(counter)=0, counter=42, counter++=41, x1=101, x2=1, y1=41, y2=0, y3=60] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=42] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=42] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=42, x1=101, x2=1, y1=41, y2=0, y3=60] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=42, x1=101, x2=1, y1=41, y2=0, y3=60] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=42, x1=101, x2=1, y1=42, y2=0, y3=59] [L36] EXPR counter++ VAL [\old(counter)=0, counter=43, counter++=42, x1=101, x2=1, y1=42, y2=0, y3=59] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=43] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=43] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=43, x1=101, x2=1, y1=42, y2=0, y3=59] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=43, x1=101, x2=1, y1=42, y2=0, y3=59] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=43, x1=101, x2=1, y1=43, y2=0, y3=58] [L36] EXPR counter++ VAL [\old(counter)=0, counter=44, counter++=43, x1=101, x2=1, y1=43, y2=0, y3=58] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=44] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=44] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=44, x1=101, x2=1, y1=43, y2=0, y3=58] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=44, x1=101, x2=1, y1=43, y2=0, y3=58] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=44, x1=101, x2=1, y1=44, y2=0, y3=57] [L36] EXPR counter++ VAL [\old(counter)=0, counter=45, counter++=44, x1=101, x2=1, y1=44, y2=0, y3=57] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=45] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=45] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=45, x1=101, x2=1, y1=44, y2=0, y3=57] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=45, x1=101, x2=1, y1=44, y2=0, y3=57] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=45, x1=101, x2=1, y1=45, y2=0, y3=56] [L36] EXPR counter++ VAL [\old(counter)=0, counter=46, counter++=45, x1=101, x2=1, y1=45, y2=0, y3=56] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=46] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=46] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=46, x1=101, x2=1, y1=45, y2=0, y3=56] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=46, x1=101, x2=1, y1=45, y2=0, y3=56] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=46, x1=101, x2=1, y1=46, y2=0, y3=55] [L36] EXPR counter++ VAL [\old(counter)=0, counter=47, counter++=46, x1=101, x2=1, y1=46, y2=0, y3=55] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=47] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=47] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=47, x1=101, x2=1, y1=46, y2=0, y3=55] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=47, x1=101, x2=1, y1=46, y2=0, y3=55] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=47, x1=101, x2=1, y1=47, y2=0, y3=54] [L36] EXPR counter++ VAL [\old(counter)=0, counter=48, counter++=47, x1=101, x2=1, y1=47, y2=0, y3=54] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=48] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=48] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=48, x1=101, x2=1, y1=47, y2=0, y3=54] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=48, x1=101, x2=1, y1=47, y2=0, y3=54] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=48, x1=101, x2=1, y1=48, y2=0, y3=53] [L36] EXPR counter++ VAL [\old(counter)=0, counter=49, counter++=48, x1=101, x2=1, y1=48, y2=0, y3=53] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=49] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=49] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=49, x1=101, x2=1, y1=48, y2=0, y3=53] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=49, x1=101, x2=1, y1=48, y2=0, y3=53] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=49, x1=101, x2=1, y1=49, y2=0, y3=52] [L36] EXPR counter++ VAL [\old(counter)=0, counter=50, counter++=49, x1=101, x2=1, y1=49, y2=0, y3=52] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=50] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=50] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=50, x1=101, x2=1, y1=49, y2=0, y3=52] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=50, x1=101, x2=1, y1=49, y2=0, y3=52] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=50, x1=101, x2=1, y1=50, y2=0, y3=51] [L36] EXPR counter++ VAL [\old(counter)=0, counter=51, counter++=50, x1=101, x2=1, y1=50, y2=0, y3=51] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=51] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=51] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=51, x1=101, x2=1, y1=50, y2=0, y3=51] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=51, x1=101, x2=1, y1=50, y2=0, y3=51] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=51, x1=101, x2=1, y1=51, y2=0, y3=50] [L36] EXPR counter++ VAL [\old(counter)=0, counter=52, counter++=51, x1=101, x2=1, y1=51, y2=0, y3=50] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=52] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=52] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=52, x1=101, x2=1, y1=51, y2=0, y3=50] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=52, x1=101, x2=1, y1=51, y2=0, y3=50] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=52, x1=101, x2=1, y1=52, y2=0, y3=49] [L36] EXPR counter++ VAL [\old(counter)=0, counter=53, counter++=52, x1=101, x2=1, y1=52, y2=0, y3=49] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=53] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=53] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=53, x1=101, x2=1, y1=52, y2=0, y3=49] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=53, x1=101, x2=1, y1=52, y2=0, y3=49] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=53, x1=101, x2=1, y1=53, y2=0, y3=48] [L36] EXPR counter++ VAL [\old(counter)=0, counter=54, counter++=53, x1=101, x2=1, y1=53, y2=0, y3=48] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=54] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=54] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=54, x1=101, x2=1, y1=53, y2=0, y3=48] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=54, x1=101, x2=1, y1=53, y2=0, y3=48] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=54, x1=101, x2=1, y1=54, y2=0, y3=47] [L36] EXPR counter++ VAL [\old(counter)=0, counter=55, counter++=54, x1=101, x2=1, y1=54, y2=0, y3=47] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=55] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=55] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=55, x1=101, x2=1, y1=54, y2=0, y3=47] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=55, x1=101, x2=1, y1=54, y2=0, y3=47] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=55, x1=101, x2=1, y1=55, y2=0, y3=46] [L36] EXPR counter++ VAL [\old(counter)=0, counter=56, counter++=55, x1=101, x2=1, y1=55, y2=0, y3=46] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=56] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=56] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=56, x1=101, x2=1, y1=55, y2=0, y3=46] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=56, x1=101, x2=1, y1=55, y2=0, y3=46] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=56, x1=101, x2=1, y1=56, y2=0, y3=45] [L36] EXPR counter++ VAL [\old(counter)=0, counter=57, counter++=56, x1=101, x2=1, y1=56, y2=0, y3=45] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=57] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=57] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=57, x1=101, x2=1, y1=56, y2=0, y3=45] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=57, x1=101, x2=1, y1=56, y2=0, y3=45] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=57, x1=101, x2=1, y1=57, y2=0, y3=44] [L36] EXPR counter++ VAL [\old(counter)=0, counter=58, counter++=57, x1=101, x2=1, y1=57, y2=0, y3=44] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=58] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=58] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=58, x1=101, x2=1, y1=57, y2=0, y3=44] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=58, x1=101, x2=1, y1=57, y2=0, y3=44] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=58, x1=101, x2=1, y1=58, y2=0, y3=43] [L36] EXPR counter++ VAL [\old(counter)=0, counter=59, counter++=58, x1=101, x2=1, y1=58, y2=0, y3=43] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=59] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=59] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=59, x1=101, x2=1, y1=58, y2=0, y3=43] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=59, x1=101, x2=1, y1=58, y2=0, y3=43] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=59, x1=101, x2=1, y1=59, y2=0, y3=42] [L36] EXPR counter++ VAL [\old(counter)=0, counter=60, counter++=59, x1=101, x2=1, y1=59, y2=0, y3=42] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=60] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=60] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=60, x1=101, x2=1, y1=59, y2=0, y3=42] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=60, x1=101, x2=1, y1=59, y2=0, y3=42] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=60, x1=101, x2=1, y1=60, y2=0, y3=41] [L36] EXPR counter++ VAL [\old(counter)=0, counter=61, counter++=60, x1=101, x2=1, y1=60, y2=0, y3=41] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=61] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=61] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=61, x1=101, x2=1, y1=60, y2=0, y3=41] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=61, x1=101, x2=1, y1=60, y2=0, y3=41] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=61, x1=101, x2=1, y1=61, y2=0, y3=40] [L36] EXPR counter++ VAL [\old(counter)=0, counter=62, counter++=61, x1=101, x2=1, y1=61, y2=0, y3=40] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=62] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=62] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=62, x1=101, x2=1, y1=61, y2=0, y3=40] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=62, x1=101, x2=1, y1=61, y2=0, y3=40] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=62, x1=101, x2=1, y1=62, y2=0, y3=39] [L36] EXPR counter++ VAL [\old(counter)=0, counter=63, counter++=62, x1=101, x2=1, y1=62, y2=0, y3=39] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=63] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=63] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=63, x1=101, x2=1, y1=62, y2=0, y3=39] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=63, x1=101, x2=1, y1=62, y2=0, y3=39] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=63, x1=101, x2=1, y1=63, y2=0, y3=38] [L36] EXPR counter++ VAL [\old(counter)=0, counter=64, counter++=63, x1=101, x2=1, y1=63, y2=0, y3=38] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=64] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=64] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=64, x1=101, x2=1, y1=63, y2=0, y3=38] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=64, x1=101, x2=1, y1=63, y2=0, y3=38] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=64, x1=101, x2=1, y1=64, y2=0, y3=37] [L36] EXPR counter++ VAL [\old(counter)=0, counter=65, counter++=64, x1=101, x2=1, y1=64, y2=0, y3=37] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=65] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=65] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=65, x1=101, x2=1, y1=64, y2=0, y3=37] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=65, x1=101, x2=1, y1=64, y2=0, y3=37] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=65, x1=101, x2=1, y1=65, y2=0, y3=36] [L36] EXPR counter++ VAL [\old(counter)=0, counter=66, counter++=65, x1=101, x2=1, y1=65, y2=0, y3=36] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=66] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=66] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=66, x1=101, x2=1, y1=65, y2=0, y3=36] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=66, x1=101, x2=1, y1=65, y2=0, y3=36] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=66, x1=101, x2=1, y1=66, y2=0, y3=35] [L36] EXPR counter++ VAL [\old(counter)=0, counter=67, counter++=66, x1=101, x2=1, y1=66, y2=0, y3=35] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=67] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=67] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=67, x1=101, x2=1, y1=66, y2=0, y3=35] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=67, x1=101, x2=1, y1=66, y2=0, y3=35] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=67, x1=101, x2=1, y1=67, y2=0, y3=34] [L36] EXPR counter++ VAL [\old(counter)=0, counter=68, counter++=67, x1=101, x2=1, y1=67, y2=0, y3=34] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=68] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=68] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=68, x1=101, x2=1, y1=67, y2=0, y3=34] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=68, x1=101, x2=1, y1=67, y2=0, y3=34] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=68, x1=101, x2=1, y1=68, y2=0, y3=33] [L36] EXPR counter++ VAL [\old(counter)=0, counter=69, counter++=68, x1=101, x2=1, y1=68, y2=0, y3=33] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=69] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=69] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=69, x1=101, x2=1, y1=68, y2=0, y3=33] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=69, x1=101, x2=1, y1=68, y2=0, y3=33] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=69, x1=101, x2=1, y1=69, y2=0, y3=32] [L36] EXPR counter++ VAL [\old(counter)=0, counter=70, counter++=69, x1=101, x2=1, y1=69, y2=0, y3=32] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=70] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=70] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=70, x1=101, x2=1, y1=69, y2=0, y3=32] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=70, x1=101, x2=1, y1=69, y2=0, y3=32] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=70, x1=101, x2=1, y1=70, y2=0, y3=31] [L36] EXPR counter++ VAL [\old(counter)=0, counter=71, counter++=70, x1=101, x2=1, y1=70, y2=0, y3=31] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=71] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=71] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=71, x1=101, x2=1, y1=70, y2=0, y3=31] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=71, x1=101, x2=1, y1=70, y2=0, y3=31] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=71, x1=101, x2=1, y1=71, y2=0, y3=30] [L36] EXPR counter++ VAL [\old(counter)=0, counter=72, counter++=71, x1=101, x2=1, y1=71, y2=0, y3=30] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=72] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=72] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=72, x1=101, x2=1, y1=71, y2=0, y3=30] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=72, x1=101, x2=1, y1=71, y2=0, y3=30] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=72, x1=101, x2=1, y1=72, y2=0, y3=29] [L36] EXPR counter++ VAL [\old(counter)=0, counter=73, counter++=72, x1=101, x2=1, y1=72, y2=0, y3=29] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=73] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=73] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=73, x1=101, x2=1, y1=72, y2=0, y3=29] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=73, x1=101, x2=1, y1=72, y2=0, y3=29] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=73, x1=101, x2=1, y1=73, y2=0, y3=28] [L36] EXPR counter++ VAL [\old(counter)=0, counter=74, counter++=73, x1=101, x2=1, y1=73, y2=0, y3=28] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=74] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=74] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=74, x1=101, x2=1, y1=73, y2=0, y3=28] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=74, x1=101, x2=1, y1=73, y2=0, y3=28] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=74, x1=101, x2=1, y1=74, y2=0, y3=27] [L36] EXPR counter++ VAL [\old(counter)=0, counter=75, counter++=74, x1=101, x2=1, y1=74, y2=0, y3=27] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=75] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=75] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=75, x1=101, x2=1, y1=74, y2=0, y3=27] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=75, x1=101, x2=1, y1=74, y2=0, y3=27] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=75, x1=101, x2=1, y1=75, y2=0, y3=26] [L36] EXPR counter++ VAL [\old(counter)=0, counter=76, counter++=75, x1=101, x2=1, y1=75, y2=0, y3=26] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=76] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=76] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=76, x1=101, x2=1, y1=75, y2=0, y3=26] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=76, x1=101, x2=1, y1=75, y2=0, y3=26] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=76, x1=101, x2=1, y1=76, y2=0, y3=25] [L36] EXPR counter++ VAL [\old(counter)=0, counter=77, counter++=76, x1=101, x2=1, y1=76, y2=0, y3=25] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=77] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=77] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=77, x1=101, x2=1, y1=76, y2=0, y3=25] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=77, x1=101, x2=1, y1=76, y2=0, y3=25] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=77, x1=101, x2=1, y1=77, y2=0, y3=24] [L36] EXPR counter++ VAL [\old(counter)=0, counter=78, counter++=77, x1=101, x2=1, y1=77, y2=0, y3=24] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=78] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=78] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=78, x1=101, x2=1, y1=77, y2=0, y3=24] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=78, x1=101, x2=1, y1=77, y2=0, y3=24] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=78, x1=101, x2=1, y1=78, y2=0, y3=23] [L36] EXPR counter++ VAL [\old(counter)=0, counter=79, counter++=78, x1=101, x2=1, y1=78, y2=0, y3=23] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=79] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=79] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=79, x1=101, x2=1, y1=78, y2=0, y3=23] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=79, x1=101, x2=1, y1=78, y2=0, y3=23] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=79, x1=101, x2=1, y1=79, y2=0, y3=22] [L36] EXPR counter++ VAL [\old(counter)=0, counter=80, counter++=79, x1=101, x2=1, y1=79, y2=0, y3=22] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=80] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=80] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=80, x1=101, x2=1, y1=79, y2=0, y3=22] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=80, x1=101, x2=1, y1=79, y2=0, y3=22] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=80, x1=101, x2=1, y1=80, y2=0, y3=21] [L36] EXPR counter++ VAL [\old(counter)=0, counter=81, counter++=80, x1=101, x2=1, y1=80, y2=0, y3=21] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=81] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=81] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=81, x1=101, x2=1, y1=80, y2=0, y3=21] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=81, x1=101, x2=1, y1=80, y2=0, y3=21] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=81, x1=101, x2=1, y1=81, y2=0, y3=20] [L36] EXPR counter++ VAL [\old(counter)=0, counter=82, counter++=81, x1=101, x2=1, y1=81, y2=0, y3=20] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=82] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=82] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=82, x1=101, x2=1, y1=81, y2=0, y3=20] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=82, x1=101, x2=1, y1=81, y2=0, y3=20] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=82, x1=101, x2=1, y1=82, y2=0, y3=19] [L36] EXPR counter++ VAL [\old(counter)=0, counter=83, counter++=82, x1=101, x2=1, y1=82, y2=0, y3=19] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=83] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=83] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=83, x1=101, x2=1, y1=82, y2=0, y3=19] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=83, x1=101, x2=1, y1=82, y2=0, y3=19] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=83, x1=101, x2=1, y1=83, y2=0, y3=18] [L36] EXPR counter++ VAL [\old(counter)=0, counter=84, counter++=83, x1=101, x2=1, y1=83, y2=0, y3=18] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=84] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=84] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=84, x1=101, x2=1, y1=83, y2=0, y3=18] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=84, x1=101, x2=1, y1=83, y2=0, y3=18] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=84, x1=101, x2=1, y1=84, y2=0, y3=17] [L36] EXPR counter++ VAL [\old(counter)=0, counter=85, counter++=84, x1=101, x2=1, y1=84, y2=0, y3=17] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=85] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=85] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=85, x1=101, x2=1, y1=84, y2=0, y3=17] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=85, x1=101, x2=1, y1=84, y2=0, y3=17] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=85, x1=101, x2=1, y1=85, y2=0, y3=16] [L36] EXPR counter++ VAL [\old(counter)=0, counter=86, counter++=85, x1=101, x2=1, y1=85, y2=0, y3=16] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=86] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=86] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=86, x1=101, x2=1, y1=85, y2=0, y3=16] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=86, x1=101, x2=1, y1=85, y2=0, y3=16] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=86, x1=101, x2=1, y1=86, y2=0, y3=15] [L36] EXPR counter++ VAL [\old(counter)=0, counter=87, counter++=86, x1=101, x2=1, y1=86, y2=0, y3=15] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=87] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=87] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=87, x1=101, x2=1, y1=86, y2=0, y3=15] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=87, x1=101, x2=1, y1=86, y2=0, y3=15] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=87, x1=101, x2=1, y1=87, y2=0, y3=14] [L36] EXPR counter++ VAL [\old(counter)=0, counter=88, counter++=87, x1=101, x2=1, y1=87, y2=0, y3=14] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=88] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=88] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=88, x1=101, x2=1, y1=87, y2=0, y3=14] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=88, x1=101, x2=1, y1=87, y2=0, y3=14] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=88, x1=101, x2=1, y1=88, y2=0, y3=13] [L36] EXPR counter++ VAL [\old(counter)=0, counter=89, counter++=88, x1=101, x2=1, y1=88, y2=0, y3=13] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=89] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=89] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=89, x1=101, x2=1, y1=88, y2=0, y3=13] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=89, x1=101, x2=1, y1=88, y2=0, y3=13] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=89, x1=101, x2=1, y1=89, y2=0, y3=12] [L36] EXPR counter++ VAL [\old(counter)=0, counter=90, counter++=89, x1=101, x2=1, y1=89, y2=0, y3=12] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=90] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=90] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=90, x1=101, x2=1, y1=89, y2=0, y3=12] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=90, x1=101, x2=1, y1=89, y2=0, y3=12] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=90, x1=101, x2=1, y1=90, y2=0, y3=11] [L36] EXPR counter++ VAL [\old(counter)=0, counter=91, counter++=90, x1=101, x2=1, y1=90, y2=0, y3=11] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=91] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=91] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=91, x1=101, x2=1, y1=90, y2=0, y3=11] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=91, x1=101, x2=1, y1=90, y2=0, y3=11] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=91, x1=101, x2=1, y1=91, y2=0, y3=10] [L36] EXPR counter++ VAL [\old(counter)=0, counter=92, counter++=91, x1=101, x2=1, y1=91, y2=0, y3=10] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=92] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=92] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=92, x1=101, x2=1, y1=91, y2=0, y3=10] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=92, x1=101, x2=1, y1=91, y2=0, y3=10] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=92, x1=101, x2=1, y1=92, y2=0, y3=9] [L36] EXPR counter++ VAL [\old(counter)=0, counter=93, counter++=92, x1=101, x2=1, y1=92, y2=0, y3=9] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=93] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=93] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=93, x1=101, x2=1, y1=92, y2=0, y3=9] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=93, x1=101, x2=1, y1=92, y2=0, y3=9] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=93, x1=101, x2=1, y1=93, y2=0, y3=8] [L36] EXPR counter++ VAL [\old(counter)=0, counter=94, counter++=93, x1=101, x2=1, y1=93, y2=0, y3=8] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=94] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=94] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=94, x1=101, x2=1, y1=93, y2=0, y3=8] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=94, x1=101, x2=1, y1=93, y2=0, y3=8] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=94, x1=101, x2=1, y1=94, y2=0, y3=7] [L36] EXPR counter++ VAL [\old(counter)=0, counter=95, counter++=94, x1=101, x2=1, y1=94, y2=0, y3=7] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=95] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=95] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=95, x1=101, x2=1, y1=94, y2=0, y3=7] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=95, x1=101, x2=1, y1=94, y2=0, y3=7] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=95, x1=101, x2=1, y1=95, y2=0, y3=6] [L36] EXPR counter++ VAL [\old(counter)=0, counter=96, counter++=95, x1=101, x2=1, y1=95, y2=0, y3=6] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=96] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=96] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=96, x1=101, x2=1, y1=95, y2=0, y3=6] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=96, x1=101, x2=1, y1=95, y2=0, y3=6] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=96, x1=101, x2=1, y1=96, y2=0, y3=5] [L36] EXPR counter++ VAL [\old(counter)=0, counter=97, counter++=96, x1=101, x2=1, y1=96, y2=0, y3=5] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=97] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=97] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=97, x1=101, x2=1, y1=96, y2=0, y3=5] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=97, x1=101, x2=1, y1=96, y2=0, y3=5] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=97, x1=101, x2=1, y1=97, y2=0, y3=4] [L36] EXPR counter++ VAL [\old(counter)=0, counter=98, counter++=97, x1=101, x2=1, y1=97, y2=0, y3=4] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=98] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=98] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=98, x1=101, x2=1, y1=97, y2=0, y3=4] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=98, x1=101, x2=1, y1=97, y2=0, y3=4] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=98, x1=101, x2=1, y1=98, y2=0, y3=3] [L36] EXPR counter++ VAL [\old(counter)=0, counter=99, counter++=98, x1=101, x2=1, y1=98, y2=0, y3=3] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=99] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=99] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=99, x1=101, x2=1, y1=98, y2=0, y3=3] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=99, x1=101, x2=1, y1=98, y2=0, y3=3] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=99, x1=101, x2=1, y1=99, y2=0, y3=2] [L36] EXPR counter++ VAL [\old(counter)=0, counter=100, counter++=99, x1=101, x2=1, y1=99, y2=0, y3=2] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=100] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=100] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=100, x1=101, x2=1, y1=99, y2=0, y3=2] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=100, x1=101, x2=1, y1=99, y2=0, y3=2] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=100, x1=101, x2=1, y1=100, y2=0, y3=1] [L36] EXPR counter++ VAL [\old(counter)=0, counter=101, counter++=100, x1=101, x2=1, y1=100, y2=0, y3=1] [L36] COND FALSE !(counter++<100) [L50] CALL __VERIFIER_assert(y1*x2 + y2 == x1) VAL [\old(cond)=0, \old(counter)=0, counter=101] [L16] COND TRUE !(cond) VAL [\old(cond)=0, \old(counter)=0, cond=0, counter=101] [L18] reach_error() VAL [\old(cond)=0, \old(counter)=0, cond=0, counter=101] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 487501.3ms, OverallIterations: 104, TraceHistogramMax: 101, EmptinessCheckTime: 327.9ms, AutomataDifference: 208928.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 7617 SDtfs, 17733 SDslu, 40846 SDs, 0 SdLazy, 35464 SolverSat, 2402 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23531.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51766 GetRequests, 41643 SyntacticMatches, 0 SemanticMatches, 10123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166682 ImplicationChecksByTransitivity, 306208.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=920occurred in iteration=103, InterpolantAutomatonStates: 10322, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1226.3ms AutomataMinimizationTime, 103 MinimizatonAttempts, 9 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 2919.0ms SsaConstructionTime, 21327.1ms SatisfiabilityAnalysisTime, 225347.0ms InterpolantComputationTime, 47847 NumberOfCodeBlocks, 47847 NumberOfCodeBlocksAsserted, 2621 NumberOfCheckSat, 46821 ConstructedInterpolants, 0 QuantifiedInterpolants, 139472 SizeOfPredicates, 5056 NumberOfNonLiveVariables, 126815 ConjunctsInSsa, 10436 ConjunctsInUnsatCore, 103 InterpolantComputations, 2 PerfectInterpolantSequences, 10307/1475514 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...