/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/cohendiv-ll_valuebound100.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-c225d54 [2021-05-02 14:10:44,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-02 14:10:44,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-02 14:10:44,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-02 14:10:44,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-02 14:10:44,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-02 14:10:44,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-02 14:10:44,455 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-02 14:10:44,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-02 14:10:44,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-02 14:10:44,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-02 14:10:44,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-02 14:10:44,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-02 14:10:44,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-02 14:10:44,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-02 14:10:44,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-02 14:10:44,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-02 14:10:44,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-02 14:10:44,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-02 14:10:44,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-02 14:10:44,503 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 14:10:44,542 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-02 14:10:44,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-02 14:10:44,545 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-02 14:10:44,545 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-02 14:10:44,545 INFO L138 SettingsManager]: * Use SBE=true [2021-05-02 14:10:44,545 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-02 14:10:44,545 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-02 14:10:44,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-02 14:10:44,546 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-02 14:10:44,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-02 14:10:44,546 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-02 14:10:44,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-02 14:10:44,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-02 14:10:44,546 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-02 14:10:44,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-02 14:10:44,547 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-02 14:10:44,547 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-02 14:10:44,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-02 14:10:44,547 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-02 14:10:44,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-02 14:10:44,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-02 14:10:44,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-02 14:10:44,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-02 14:10:44,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-02 14:10:44,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-02 14:10:44,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-02 14:10:44,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-02 14:10:44,549 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-05-02 14:10:44,549 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2021-05-02 14:10:44,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-02 14:10:44,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-02 14:10:44,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-02 14:10:44,874 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-02 14:10:44,875 INFO L275 PluginConnector]: CDTParser initialized [2021-05-02 14:10:44,876 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/cohendiv-ll_valuebound100.c [2021-05-02 14:10:44,949 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53d3812f6/3fc9e7e161464beb894967d867c6aabb/FLAG6e1d6f60b [2021-05-02 14:10:45,467 INFO L306 CDTParser]: Found 1 translation units. [2021-05-02 14:10:45,468 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/cohendiv-ll_valuebound100.c [2021-05-02 14:10:45,474 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53d3812f6/3fc9e7e161464beb894967d867c6aabb/FLAG6e1d6f60b [2021-05-02 14:10:45,948 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53d3812f6/3fc9e7e161464beb894967d867c6aabb [2021-05-02 14:10:45,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-02 14:10:45,964 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-02 14:10:45,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-02 14:10:45,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-02 14:10:45,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-02 14:10:45,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 02:10:45" (1/1) ... [2021-05-02 14:10:45,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47a0574d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 02:10:45, skipping insertion in model container [2021-05-02 14:10:45,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 02:10:45" (1/1) ... [2021-05-02 14:10:45,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-02 14:10:45,995 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-02 14:10:46,103 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/cohendiv-ll_valuebound100.c[576,589] [2021-05-02 14:10:46,117 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 14:10:46,126 INFO L203 MainTranslator]: Completed pre-run [2021-05-02 14:10:46,172 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/cohendiv-ll_valuebound100.c[576,589] [2021-05-02 14:10:46,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 14:10:46,212 INFO L208 MainTranslator]: Completed translation [2021-05-02 14:10:46,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 02:10:46 WrapperNode [2021-05-02 14:10:46,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-02 14:10:46,213 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-02 14:10:46,214 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-02 14:10:46,214 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-02 14:10:46,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 02:10:46" (1/1) ... [2021-05-02 14:10:46,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 02:10:46" (1/1) ... [2021-05-02 14:10:46,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 02:10:46" (1/1) ... [2021-05-02 14:10:46,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 02:10:46" (1/1) ... [2021-05-02 14:10:46,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 02:10:46" (1/1) ... [2021-05-02 14:10:46,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 02:10:46" (1/1) ... [2021-05-02 14:10:46,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 02:10:46" (1/1) ... [2021-05-02 14:10:46,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-02 14:10:46,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-02 14:10:46,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-02 14:10:46,261 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-02 14:10:46,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 02:10:46" (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 14:10:46,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-02 14:10:46,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-02 14:10:46,346 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-02 14:10:46,346 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-05-02 14:10:46,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-05-02 14:10:46,347 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-02 14:10:46,347 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-02 14:10:46,347 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-02 14:10:46,348 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-02 14:10:46,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-02 14:10:46,348 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-05-02 14:10:46,348 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-05-02 14:10:46,349 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-02 14:10:46,349 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-02 14:10:46,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-02 14:10:46,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-02 14:10:46,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-02 14:10:46,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-02 14:10:46,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-02 14:10:46,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-02 14:10:46,652 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-02 14:10:46,652 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-05-02 14:10:46,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 02:10:46 BoogieIcfgContainer [2021-05-02 14:10:46,654 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-02 14:10:46,655 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-02 14:10:46,655 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-02 14:10:46,658 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-02 14:10:46,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.05 02:10:45" (1/3) ... [2021-05-02 14:10:46,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ee55bf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 02:10:46, skipping insertion in model container [2021-05-02 14:10:46,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 02:10:46" (2/3) ... [2021-05-02 14:10:46,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ee55bf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 02:10:46, skipping insertion in model container [2021-05-02 14:10:46,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 02:10:46" (3/3) ... [2021-05-02 14:10:46,661 INFO L111 eAbstractionObserver]: Analyzing ICFG cohendiv-ll_valuebound100.c [2021-05-02 14:10:46,666 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-02 14:10:46,670 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-02 14:10:46,687 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-02 14:10:46,726 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-02 14:10:46,727 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-02 14:10:46,727 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-02 14:10:46,727 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-02 14:10:46,727 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-02 14:10:46,728 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-02 14:10:46,728 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-02 14:10:46,728 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-02 14:10:46,750 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 22 states have internal predecessors, (30), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-05-02 14:10:46,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-05-02 14:10:46,755 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 14:10:46,755 INFO L523 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 14:10:46,756 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 14:10:46,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 14:10:46,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1768835633, now seen corresponding path program 1 times [2021-05-02 14:10:46,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 14:10:46,773 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297827663] [2021-05-02 14:10:46,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 14:10:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 14:10:47,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 14:10:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 14:10:47,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-05-02 14:10:47,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 14:10:47,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-05-02 14:10:47,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 14:10:47,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-05-02 14:10:47,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 14:10:47,113 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-05-02 14:10:47,114 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 14:10:47,114 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297827663] [2021-05-02 14:10:47,115 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297827663] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 14:10:47,116 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 14:10:47,116 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-02 14:10:47,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412710256] [2021-05-02 14:10:47,128 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-02 14:10:47,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 14:10:47,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-02 14:10:47,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-02 14:10:47,151 INFO L87 Difference]: Start difference. First operand has 39 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 22 states have internal predecessors, (30), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-05-02 14:10:47,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 14:10:47,407 INFO L93 Difference]: Finished difference Result 71 states and 110 transitions. [2021-05-02 14:10:47,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-02 14:10:47,411 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 28 [2021-05-02 14:10:47,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 14:10:47,418 INFO L225 Difference]: With dead ends: 71 [2021-05-02 14:10:47,418 INFO L226 Difference]: Without dead ends: 34 [2021-05-02 14:10:47,422 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 78.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-02 14:10:47,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-05-02 14:10:47,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-05-02 14:10:47,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 12 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-05-02 14:10:47,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 43 transitions. [2021-05-02 14:10:47,468 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 43 transitions. Word has length 28 [2021-05-02 14:10:47,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 14:10:47,468 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 43 transitions. [2021-05-02 14:10:47,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-05-02 14:10:47,468 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2021-05-02 14:10:47,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-05-02 14:10:47,470 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 14:10:47,470 INFO L523 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 14:10:47,471 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-02 14:10:47,471 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 14:10:47,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 14:10:47,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1378913883, now seen corresponding path program 1 times [2021-05-02 14:10:47,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 14:10:47,472 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297393474] [2021-05-02 14:10:47,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 14:10:47,489 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 14:10:47,489 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1531045107] [2021-05-02 14:10:47,490 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 14:10:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 14:10:47,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 25 conjunts are in the unsatisfiable core [2021-05-02 14:10:47,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 14:10:47,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:47,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:47,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:47,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:47,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:47,894 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-05-02 14:10:47,894 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 14:10:47,894 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297393474] [2021-05-02 14:10:47,894 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 14:10:47,895 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531045107] [2021-05-02 14:10:47,895 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531045107] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 14:10:47,895 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 14:10:47,895 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-05-02 14:10:47,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108702500] [2021-05-02 14:10:47,896 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-05-02 14:10:47,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 14:10:47,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-05-02 14:10:47,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-05-02 14:10:47,898 INFO L87 Difference]: Start difference. First operand 34 states and 43 transitions. Second operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-05-02 14:10:48,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 14:10:48,066 INFO L93 Difference]: Finished difference Result 45 states and 56 transitions. [2021-05-02 14:10:48,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-02 14:10:48,066 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.5) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 28 [2021-05-02 14:10:48,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 14:10:48,068 INFO L225 Difference]: With dead ends: 45 [2021-05-02 14:10:48,068 INFO L226 Difference]: Without dead ends: 43 [2021-05-02 14:10:48,069 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 111.3ms TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-05-02 14:10:48,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-05-02 14:10:48,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2021-05-02 14:10:48,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 24 states have internal predecessors, (25), 13 states have call successors, (13), 5 states have call predecessors, (13), 4 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2021-05-02 14:10:48,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions. [2021-05-02 14:10:48,082 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 49 transitions. Word has length 28 [2021-05-02 14:10:48,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 14:10:48,083 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 49 transitions. [2021-05-02 14:10:48,083 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 1.5) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-05-02 14:10:48,083 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2021-05-02 14:10:48,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-05-02 14:10:48,084 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 14:10:48,084 INFO L523 BasicCegarLoop]: trace histogram [3, 3, 3, 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 14:10:48,302 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-05-02 14:10:48,303 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 14:10:48,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 14:10:48,303 INFO L82 PathProgramCache]: Analyzing trace with hash -1928335320, now seen corresponding path program 1 times [2021-05-02 14:10:48,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 14:10:48,304 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891094567] [2021-05-02 14:10:48,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 14:10:48,316 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 14:10:48,317 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1976671624] [2021-05-02 14:10:48,317 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 14:10:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 14:10:48,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 25 conjunts are in the unsatisfiable core [2021-05-02 14:10:48,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 14:10:48,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:48,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:48,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:48,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:48,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:48,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:48,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:48,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:48,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:48,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:48,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:48,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:48,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:48,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:48,636 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-05-02 14:10:48,636 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 14:10:48,637 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891094567] [2021-05-02 14:10:48,637 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 14:10:48,637 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976671624] [2021-05-02 14:10:48,637 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1976671624] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 14:10:48,637 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 14:10:48,637 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-05-02 14:10:48,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063144373] [2021-05-02 14:10:48,638 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-05-02 14:10:48,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 14:10:48,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-05-02 14:10:48,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-05-02 14:10:48,640 INFO L87 Difference]: Start difference. First operand 40 states and 49 transitions. Second operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 7 states have internal predecessors, (15), 4 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2021-05-02 14:10:48,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 14:10:48,811 INFO L93 Difference]: Finished difference Result 57 states and 72 transitions. [2021-05-02 14:10:48,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-02 14:10:48,812 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 7 states have internal predecessors, (15), 4 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) Word has length 33 [2021-05-02 14:10:48,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 14:10:48,816 INFO L225 Difference]: With dead ends: 57 [2021-05-02 14:10:48,816 INFO L226 Difference]: Without dead ends: 54 [2021-05-02 14:10:48,817 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 83.2ms TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-05-02 14:10:48,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-05-02 14:10:48,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 53. [2021-05-02 14:10:48,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 30 states have internal predecessors, (33), 18 states have call successors, (18), 6 states have call predecessors, (18), 5 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2021-05-02 14:10:48,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 67 transitions. [2021-05-02 14:10:48,846 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 67 transitions. Word has length 33 [2021-05-02 14:10:48,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 14:10:48,846 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 67 transitions. [2021-05-02 14:10:48,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 7 states have internal predecessors, (15), 4 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2021-05-02 14:10:48,847 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2021-05-02 14:10:48,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-05-02 14:10:48,847 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 14:10:48,848 INFO L523 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 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 14:10:49,048 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 14:10:49,049 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 14:10:49,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 14:10:49,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1297647068, now seen corresponding path program 1 times [2021-05-02 14:10:49,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 14:10:49,049 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169952995] [2021-05-02 14:10:49,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 14:10:49,061 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 14:10:49,062 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1720999596] [2021-05-02 14:10:49,062 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 14:10:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 14:10:49,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 15 conjunts are in the unsatisfiable core [2021-05-02 14:10:49,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 14:10:49,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:49,235 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-05-02 14:10:49,235 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 14:10:49,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169952995] [2021-05-02 14:10:49,236 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 14:10:49,236 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1720999596] [2021-05-02 14:10:49,236 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1720999596] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 14:10:49,236 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 14:10:49,236 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-05-02 14:10:49,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625852461] [2021-05-02 14:10:49,237 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-05-02 14:10:49,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 14:10:49,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-05-02 14:10:49,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-05-02 14:10:49,238 INFO L87 Difference]: Start difference. First operand 53 states and 67 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2021-05-02 14:10:49,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 14:10:49,370 INFO L93 Difference]: Finished difference Result 79 states and 105 transitions. [2021-05-02 14:10:49,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-02 14:10:49,370 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 40 [2021-05-02 14:10:49,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 14:10:49,374 INFO L225 Difference]: With dead ends: 79 [2021-05-02 14:10:49,374 INFO L226 Difference]: Without dead ends: 77 [2021-05-02 14:10:49,375 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 39.4ms TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-05-02 14:10:49,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-05-02 14:10:49,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 70. [2021-05-02 14:10:49,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 38 states have (on average 1.1578947368421053) internal successors, (44), 40 states have internal predecessors, (44), 25 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2021-05-02 14:10:49,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 92 transitions. [2021-05-02 14:10:49,398 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 92 transitions. Word has length 40 [2021-05-02 14:10:49,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 14:10:49,399 INFO L480 AbstractCegarLoop]: Abstraction has 70 states and 92 transitions. [2021-05-02 14:10:49,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2021-05-02 14:10:49,399 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2021-05-02 14:10:49,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-05-02 14:10:49,402 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 14:10:49,402 INFO L523 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:10:49,628 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 14:10:49,628 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 14:10:49,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 14:10:49,629 INFO L82 PathProgramCache]: Analyzing trace with hash 991781023, now seen corresponding path program 1 times [2021-05-02 14:10:49,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 14:10:49,629 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584346472] [2021-05-02 14:10:49,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 14:10:49,642 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 14:10:49,642 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [567193845] [2021-05-02 14:10:49,642 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 14:10:49,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 14:10:49,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 17 conjunts are in the unsatisfiable core [2021-05-02 14:10:49,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 14:10:49,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:49,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:49,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:49,934 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 15 proven. 13 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-05-02 14:10:49,935 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 14:10:49,935 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584346472] [2021-05-02 14:10:49,935 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 14:10:49,935 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567193845] [2021-05-02 14:10:49,935 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567193845] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 14:10:49,935 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 14:10:49,935 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2021-05-02 14:10:49,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367436737] [2021-05-02 14:10:49,936 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-05-02 14:10:49,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 14:10:49,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-05-02 14:10:49,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-05-02 14:10:49,937 INFO L87 Difference]: Start difference. First operand 70 states and 92 transitions. Second operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 8 states have internal predecessors, (24), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-05-02 14:10:50,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 14:10:50,128 INFO L93 Difference]: Finished difference Result 76 states and 97 transitions. [2021-05-02 14:10:50,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-02 14:10:50,128 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 8 states have internal predecessors, (24), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 56 [2021-05-02 14:10:50,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 14:10:50,133 INFO L225 Difference]: With dead ends: 76 [2021-05-02 14:10:50,133 INFO L226 Difference]: Without dead ends: 74 [2021-05-02 14:10:50,134 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 92.7ms TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-05-02 14:10:50,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-05-02 14:10:50,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2021-05-02 14:10:50,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 41 states have (on average 1.146341463414634) internal successors, (47), 43 states have internal predecessors, (47), 25 states have call successors, (25), 8 states have call predecessors, (25), 7 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2021-05-02 14:10:50,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 95 transitions. [2021-05-02 14:10:50,148 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 95 transitions. Word has length 56 [2021-05-02 14:10:50,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 14:10:50,148 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 95 transitions. [2021-05-02 14:10:50,148 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 8 states have internal predecessors, (24), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-05-02 14:10:50,149 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 95 transitions. [2021-05-02 14:10:50,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-05-02 14:10:50,149 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 14:10:50,150 INFO L523 BasicCegarLoop]: trace histogram [7, 6, 6, 3, 3, 3, 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, 1, 1, 1, 1, 1] [2021-05-02 14:10:50,368 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 14:10:50,369 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 14:10:50,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 14:10:50,370 INFO L82 PathProgramCache]: Analyzing trace with hash -2096667334, now seen corresponding path program 1 times [2021-05-02 14:10:50,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 14:10:50,370 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203489203] [2021-05-02 14:10:50,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 14:10:50,381 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 14:10:50,381 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1953833770] [2021-05-02 14:10:50,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 14:10:50,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 14:10:50,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 25 conjunts are in the unsatisfiable core [2021-05-02 14:10:50,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 14:10:50,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:50,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:50,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:50,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:50,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:50,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:50,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:50,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:50,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:50,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:50,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:50,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:50,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:50,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:50,659 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-05-02 14:10:50,660 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 14:10:50,660 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203489203] [2021-05-02 14:10:50,660 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 14:10:50,660 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953833770] [2021-05-02 14:10:50,660 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953833770] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 14:10:50,660 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 14:10:50,660 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2021-05-02 14:10:50,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202112204] [2021-05-02 14:10:50,661 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-05-02 14:10:50,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 14:10:50,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-05-02 14:10:50,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-05-02 14:10:50,662 INFO L87 Difference]: Start difference. First operand 74 states and 95 transitions. Second operand has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 9 states have internal predecessors, (23), 4 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2021-05-02 14:10:50,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 14:10:50,925 INFO L93 Difference]: Finished difference Result 130 states and 163 transitions. [2021-05-02 14:10:50,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-02 14:10:50,926 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 9 states have internal predecessors, (23), 4 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 63 [2021-05-02 14:10:50,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 14:10:50,927 INFO L225 Difference]: With dead ends: 130 [2021-05-02 14:10:50,927 INFO L226 Difference]: Without dead ends: 85 [2021-05-02 14:10:50,928 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 95.4ms TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-05-02 14:10:50,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-05-02 14:10:50,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 82. [2021-05-02 14:10:50,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 47 states have (on average 1.1063829787234043) internal successors, (52), 49 states have internal predecessors, (52), 25 states have call successors, (25), 10 states have call predecessors, (25), 9 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2021-05-02 14:10:50,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 100 transitions. [2021-05-02 14:10:50,942 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 100 transitions. Word has length 63 [2021-05-02 14:10:50,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 14:10:50,942 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 100 transitions. [2021-05-02 14:10:50,943 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 9 states have internal predecessors, (23), 4 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2021-05-02 14:10:50,943 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 100 transitions. [2021-05-02 14:10:50,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-05-02 14:10:50,944 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 14:10:50,944 INFO L523 BasicCegarLoop]: trace histogram [11, 10, 10, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 14:10:51,169 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-05-02 14:10:51,169 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 14:10:51,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 14:10:51,170 INFO L82 PathProgramCache]: Analyzing trace with hash -2105983492, now seen corresponding path program 1 times [2021-05-02 14:10:51,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 14:10:51,170 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691725930] [2021-05-02 14:10:51,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 14:10:51,182 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 14:10:51,182 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [25166238] [2021-05-02 14:10:51,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 14:10:51,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 14:10:51,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 41 conjunts are in the unsatisfiable core [2021-05-02 14:10:51,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 14:10:51,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:51,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:52,011 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 72 proven. 10 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-05-02 14:10:52,011 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 14:10:52,011 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691725930] [2021-05-02 14:10:52,011 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 14:10:52,011 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25166238] [2021-05-02 14:10:52,011 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25166238] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 14:10:52,012 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 14:10:52,012 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2021-05-02 14:10:52,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503090749] [2021-05-02 14:10:52,013 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-05-02 14:10:52,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 14:10:52,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-05-02 14:10:52,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2021-05-02 14:10:52,015 INFO L87 Difference]: Start difference. First operand 82 states and 100 transitions. Second operand has 16 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 13 states have internal predecessors, (29), 7 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 7 states have call predecessors, (14), 6 states have call successors, (14) [2021-05-02 14:10:52,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 14:10:52,572 INFO L93 Difference]: Finished difference Result 130 states and 162 transitions. [2021-05-02 14:10:52,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-05-02 14:10:52,573 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 13 states have internal predecessors, (29), 7 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 7 states have call predecessors, (14), 6 states have call successors, (14) Word has length 86 [2021-05-02 14:10:52,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 14:10:52,577 INFO L225 Difference]: With dead ends: 130 [2021-05-02 14:10:52,577 INFO L226 Difference]: Without dead ends: 127 [2021-05-02 14:10:52,581 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 346.1ms TimeCoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2021-05-02 14:10:52,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-05-02 14:10:52,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 122. [2021-05-02 14:10:52,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 70 states have (on average 1.1142857142857143) internal successors, (78), 72 states have internal predecessors, (78), 38 states have call successors, (38), 14 states have call predecessors, (38), 13 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2021-05-02 14:10:52,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 152 transitions. [2021-05-02 14:10:52,614 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 152 transitions. Word has length 86 [2021-05-02 14:10:52,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 14:10:52,614 INFO L480 AbstractCegarLoop]: Abstraction has 122 states and 152 transitions. [2021-05-02 14:10:52,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 13 states have internal predecessors, (29), 7 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 7 states have call predecessors, (14), 6 states have call successors, (14) [2021-05-02 14:10:52,615 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 152 transitions. [2021-05-02 14:10:52,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-05-02 14:10:52,622 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 14:10:52,622 INFO L523 BasicCegarLoop]: trace histogram [15, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2021-05-02 14:10:52,847 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 14:10:52,848 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 14:10:52,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 14:10:52,848 INFO L82 PathProgramCache]: Analyzing trace with hash -39671046, now seen corresponding path program 2 times [2021-05-02 14:10:52,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 14:10:52,849 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060398189] [2021-05-02 14:10:52,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 14:10:52,859 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 14:10:52,860 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [878992486] [2021-05-02 14:10:52,860 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 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 14:10:52,930 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 14:10:52,931 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 14:10:52,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 36 conjunts are in the unsatisfiable core [2021-05-02 14:10:52,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 14:10:52,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:52,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:52,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:53,339 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 31 proven. 23 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2021-05-02 14:10:53,339 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 14:10:53,339 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060398189] [2021-05-02 14:10:53,339 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 14:10:53,339 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878992486] [2021-05-02 14:10:53,339 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [878992486] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 14:10:53,339 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 14:10:53,339 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-05-02 14:10:53,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363463294] [2021-05-02 14:10:53,340 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-05-02 14:10:53,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 14:10:53,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-05-02 14:10:53,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-05-02 14:10:53,341 INFO L87 Difference]: Start difference. First operand 122 states and 152 transitions. Second operand has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 11 states have internal predecessors, (29), 7 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 8 states have call predecessors, (18), 7 states have call successors, (18) [2021-05-02 14:10:53,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 14:10:53,688 INFO L93 Difference]: Finished difference Result 162 states and 208 transitions. [2021-05-02 14:10:53,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-02 14:10:53,689 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 11 states have internal predecessors, (29), 7 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 8 states have call predecessors, (18), 7 states have call successors, (18) Word has length 109 [2021-05-02 14:10:53,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 14:10:53,690 INFO L225 Difference]: With dead ends: 162 [2021-05-02 14:10:53,690 INFO L226 Difference]: Without dead ends: 159 [2021-05-02 14:10:53,691 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 130.3ms TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2021-05-02 14:10:53,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-05-02 14:10:53,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 154. [2021-05-02 14:10:53,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 87 states have (on average 1.1264367816091954) internal successors, (98), 89 states have internal predecessors, (98), 51 states have call successors, (51), 16 states have call predecessors, (51), 15 states have return successors, (49), 48 states have call predecessors, (49), 49 states have call successors, (49) [2021-05-02 14:10:53,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 198 transitions. [2021-05-02 14:10:53,713 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 198 transitions. Word has length 109 [2021-05-02 14:10:53,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 14:10:53,714 INFO L480 AbstractCegarLoop]: Abstraction has 154 states and 198 transitions. [2021-05-02 14:10:53,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 11 states have internal predecessors, (29), 7 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 8 states have call predecessors, (18), 7 states have call successors, (18) [2021-05-02 14:10:53,714 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 198 transitions. [2021-05-02 14:10:53,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-05-02 14:10:53,715 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 14:10:53,716 INFO L523 BasicCegarLoop]: trace histogram [16, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 14:10:53,936 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 14:10:53,936 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 14:10:53,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 14:10:53,937 INFO L82 PathProgramCache]: Analyzing trace with hash 800180238, now seen corresponding path program 3 times [2021-05-02 14:10:53,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 14:10:53,937 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907733832] [2021-05-02 14:10:53,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 14:10:53,950 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 14:10:53,950 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [15481275] [2021-05-02 14:10:53,950 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 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 14:10:54,016 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-05-02 14:10:54,017 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 14:10:54,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 37 conjunts are in the unsatisfiable core [2021-05-02 14:10:54,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 14:10:54,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:54,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:54,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:54,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:54,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:54,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:54,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:54,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:10:54,291 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 123 proven. 35 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2021-05-02 14:10:54,292 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 14:10:54,292 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907733832] [2021-05-02 14:10:54,292 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 14:10:54,292 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [15481275] [2021-05-02 14:10:54,292 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [15481275] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 14:10:54,292 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 14:10:54,292 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2021-05-02 14:10:54,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780130808] [2021-05-02 14:10:54,294 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-05-02 14:10:54,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 14:10:54,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-05-02 14:10:54,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-05-02 14:10:54,295 INFO L87 Difference]: Start difference. First operand 154 states and 198 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 9 states have internal predecessors, (30), 5 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 3 states have call predecessors, (16), 5 states have call successors, (16) [2021-05-02 14:11:02,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 14:11:02,632 INFO L93 Difference]: Finished difference Result 174 states and 218 transitions. [2021-05-02 14:11:02,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-02 14:11:02,633 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 9 states have internal predecessors, (30), 5 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 3 states have call predecessors, (16), 5 states have call successors, (16) Word has length 116 [2021-05-02 14:11:02,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 14:11:02,634 INFO L225 Difference]: With dead ends: 174 [2021-05-02 14:11:02,634 INFO L226 Difference]: Without dead ends: 170 [2021-05-02 14:11:02,635 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 106 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 128.3ms TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2021-05-02 14:11:02,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2021-05-02 14:11:02,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 141. [2021-05-02 14:11:02,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 84 states have (on average 1.0833333333333333) internal successors, (91), 86 states have internal predecessors, (91), 39 states have call successors, (39), 18 states have call predecessors, (39), 17 states have return successors, (38), 36 states have call predecessors, (38), 38 states have call successors, (38) [2021-05-02 14:11:02,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 168 transitions. [2021-05-02 14:11:02,653 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 168 transitions. Word has length 116 [2021-05-02 14:11:02,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 14:11:02,653 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 168 transitions. [2021-05-02 14:11:02,654 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 9 states have internal predecessors, (30), 5 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 3 states have call predecessors, (16), 5 states have call successors, (16) [2021-05-02 14:11:02,654 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 168 transitions. [2021-05-02 14:11:02,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-05-02 14:11:02,655 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 14:11:02,655 INFO L523 BasicCegarLoop]: trace histogram [18, 17, 17, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1] [2021-05-02 14:11:02,878 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-05-02 14:11:02,878 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 14:11:02,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 14:11:02,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1404635598, now seen corresponding path program 4 times [2021-05-02 14:11:02,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 14:11:02,879 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656846621] [2021-05-02 14:11:02,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 14:11:02,897 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 14:11:02,897 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [933914413] [2021-05-02 14:11:02,897 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 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 14:11:02,962 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 14:11:02,962 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 14:11:02,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 12 conjunts are in the unsatisfiable core [2021-05-02 14:11:02,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 14:11:03,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:03,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:04,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:04,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:04,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:04,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:04,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:04,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:04,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:04,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:04,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:04,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:04,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:04,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:04,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:04,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:04,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:04,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:04,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:04,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:04,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:04,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:04,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 14:11:04,580 WARN L159 QuantifierPusher]: Ignoring assumption.