/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/loops-crafted-1/iftelse.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-c225d54 [2021-05-02 12:51:41,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-02 12:51:41,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-02 12:51:41,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-02 12:51:41,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-02 12:51:41,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-02 12:51:41,493 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-02 12:51:41,494 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-02 12:51:41,495 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-02 12:51:41,496 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-02 12:51:41,497 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-02 12:51:41,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-02 12:51:41,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-02 12:51:41,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-02 12:51:41,501 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-02 12:51:41,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-02 12:51:41,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-02 12:51:41,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-02 12:51:41,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-02 12:51:41,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-02 12:51:41,513 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 12:51:41,543 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-02 12:51:41,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-02 12:51:41,544 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-02 12:51:41,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-02 12:51:41,544 INFO L138 SettingsManager]: * Use SBE=true [2021-05-02 12:51:41,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-02 12:51:41,544 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-02 12:51:41,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-02 12:51:41,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-02 12:51:41,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-02 12:51:41,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-02 12:51:41,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-02 12:51:41,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-02 12:51:41,545 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-02 12:51:41,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-02 12:51:41,545 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-02 12:51:41,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-02 12:51:41,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-02 12:51:41,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-02 12:51:41,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-02 12:51:41,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-02 12:51:41,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-02 12:51:41,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-02 12:51:41,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-02 12:51:41,546 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-02 12:51:41,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-02 12:51:41,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-02 12:51:41,546 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-05-02 12:51:41,546 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2021-05-02 12:51:41,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-02 12:51:41,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-02 12:51:41,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-02 12:51:41,847 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-02 12:51:41,848 INFO L275 PluginConnector]: CDTParser initialized [2021-05-02 12:51:41,849 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/iftelse.c [2021-05-02 12:51:41,910 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2283da0d4/0b78d87ecbc14443be392233c5fe56d5/FLAG0bfc1ded5 [2021-05-02 12:51:42,259 INFO L306 CDTParser]: Found 1 translation units. [2021-05-02 12:51:42,260 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/iftelse.c [2021-05-02 12:51:42,265 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2283da0d4/0b78d87ecbc14443be392233c5fe56d5/FLAG0bfc1ded5 [2021-05-02 12:51:42,280 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2283da0d4/0b78d87ecbc14443be392233c5fe56d5 [2021-05-02 12:51:42,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-02 12:51:42,284 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-02 12:51:42,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-02 12:51:42,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-02 12:51:42,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-02 12:51:42,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 12:51:42" (1/1) ... [2021-05-02 12:51:42,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6edc5080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 12:51:42, skipping insertion in model container [2021-05-02 12:51:42,290 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 12:51:42" (1/1) ... [2021-05-02 12:51:42,295 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-02 12:51:42,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-02 12:51:42,416 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/iftelse.c[406,419] [2021-05-02 12:51:42,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 12:51:42,433 INFO L203 MainTranslator]: Completed pre-run [2021-05-02 12:51:42,443 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/iftelse.c[406,419] [2021-05-02 12:51:42,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 12:51:42,463 INFO L208 MainTranslator]: Completed translation [2021-05-02 12:51:42,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 12:51:42 WrapperNode [2021-05-02 12:51:42,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-02 12:51:42,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-02 12:51:42,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-02 12:51:42,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-02 12:51:42,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 12:51:42" (1/1) ... [2021-05-02 12:51:42,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 12:51:42" (1/1) ... [2021-05-02 12:51:42,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 12:51:42" (1/1) ... [2021-05-02 12:51:42,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 12:51:42" (1/1) ... [2021-05-02 12:51:42,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 12:51:42" (1/1) ... [2021-05-02 12:51:42,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 12:51:42" (1/1) ... [2021-05-02 12:51:42,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 12:51:42" (1/1) ... [2021-05-02 12:51:42,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-02 12:51:42,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-02 12:51:42,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-02 12:51:42,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-02 12:51:42,504 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 12:51:42" (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 12:51:42,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-02 12:51:42,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-02 12:51:42,576 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-02 12:51:42,576 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-05-02 12:51:42,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-05-02 12:51:42,577 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-02 12:51:42,577 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-02 12:51:42,577 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-02 12:51:42,577 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-02 12:51:42,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-02 12:51:42,578 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-05-02 12:51:42,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-02 12:51:42,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2021-05-02 12:51:42,579 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-02 12:51:42,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-02 12:51:42,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-02 12:51:42,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-02 12:51:42,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-02 12:51:42,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-02 12:51:42,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-02 12:51:42,788 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-02 12:51:42,789 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-05-02 12:51:42,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 12:51:42 BoogieIcfgContainer [2021-05-02 12:51:42,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-02 12:51:42,791 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-02 12:51:42,791 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-02 12:51:42,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-02 12:51:42,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.05 12:51:42" (1/3) ... [2021-05-02 12:51:42,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7889f340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 12:51:42, skipping insertion in model container [2021-05-02 12:51:42,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 12:51:42" (2/3) ... [2021-05-02 12:51:42,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7889f340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 12:51:42, skipping insertion in model container [2021-05-02 12:51:42,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 12:51:42" (3/3) ... [2021-05-02 12:51:42,794 INFO L111 eAbstractionObserver]: Analyzing ICFG iftelse.c [2021-05-02 12:51:42,815 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-02 12:51:42,817 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-02 12:51:42,836 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-02 12:51:42,869 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-02 12:51:42,870 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-02 12:51:42,870 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-02 12:51:42,870 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-02 12:51:42,870 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-02 12:51:42,870 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-02 12:51:42,870 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-02 12:51:42,870 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-02 12:51:42,892 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 14 states have (on average 1.5) internal successors, (21), 16 states have internal predecessors, (21), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-05-02 12:51:42,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-05-02 12:51:42,895 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 12:51:42,895 INFO L523 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 12:51:42,896 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 12:51:42,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 12:51:42,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1034116429, now seen corresponding path program 1 times [2021-05-02 12:51:42,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 12:51:42,905 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891691665] [2021-05-02 12:51:42,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 12:51:43,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 12:51:43,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 12:51:43,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 12:51:43,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 12:51:43,376 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 12:51:43,376 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891691665] [2021-05-02 12:51:43,377 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891691665] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 12:51:43,377 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 12:51:43,377 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-05-02 12:51:43,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085185145] [2021-05-02 12:51:43,380 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-05-02 12:51:43,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 12:51:43,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-05-02 12:51:43,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-05-02 12:51:43,390 INFO L87 Difference]: Start difference. First operand has 22 states, 14 states have (on average 1.5) internal successors, (21), 16 states have internal predecessors, (21), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 6 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-02 12:51:43,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 12:51:43,752 INFO L93 Difference]: Finished difference Result 52 states and 70 transitions. [2021-05-02 12:51:43,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-02 12:51:43,754 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.25) internal successors, (10), 6 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2021-05-02 12:51:43,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 12:51:43,758 INFO L225 Difference]: With dead ends: 52 [2021-05-02 12:51:43,758 INFO L226 Difference]: Without dead ends: 26 [2021-05-02 12:51:43,760 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 313.4ms TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-05-02 12:51:43,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-05-02 12:51:43,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2021-05-02 12:51:43,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-05-02 12:51:43,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2021-05-02 12:51:43,828 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 14 [2021-05-02 12:51:43,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 12:51:43,828 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2021-05-02 12:51:43,828 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 1.25) internal successors, (10), 6 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-02 12:51:43,828 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2021-05-02 12:51:43,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-05-02 12:51:43,829 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 12:51:43,829 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 12:51:43,829 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-02 12:51:43,829 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 12:51:43,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 12:51:43,830 INFO L82 PathProgramCache]: Analyzing trace with hash -244126219, now seen corresponding path program 1 times [2021-05-02 12:51:43,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 12:51:43,830 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284931303] [2021-05-02 12:51:43,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 12:51:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 12:51:43,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 12:51:43,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 12:51:43,887 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 12:51:43,887 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 12:51:43,887 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284931303] [2021-05-02 12:51:43,887 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284931303] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 12:51:43,887 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 12:51:43,887 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-02 12:51:43,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358992991] [2021-05-02 12:51:43,888 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-05-02 12:51:43,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 12:51:43,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-05-02 12:51:43,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-02 12:51:43,889 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-02 12:51:43,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 12:51:43,966 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2021-05-02 12:51:43,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-02 12:51:43,966 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2021-05-02 12:51:43,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 12:51:43,968 INFO L225 Difference]: With dead ends: 36 [2021-05-02 12:51:43,968 INFO L226 Difference]: Without dead ends: 25 [2021-05-02 12:51:43,969 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.7ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-05-02 12:51:43,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-05-02 12:51:43,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-05-02 12:51:43,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 18 states have internal predecessors, (19), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-05-02 12:51:43,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2021-05-02 12:51:43,979 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 17 [2021-05-02 12:51:43,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 12:51:43,979 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2021-05-02 12:51:43,979 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-02 12:51:43,979 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2021-05-02 12:51:43,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-05-02 12:51:43,979 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 12:51:43,980 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 12:51:43,980 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-02 12:51:43,980 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 12:51:43,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 12:51:43,980 INFO L82 PathProgramCache]: Analyzing trace with hash 722095884, now seen corresponding path program 1 times [2021-05-02 12:51:43,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 12:51:43,981 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845966992] [2021-05-02 12:51:43,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 12:51:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 12:51:44,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 12:51:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 12:51:44,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-05-02 12:51:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 12:51:44,133 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 12:51:44,133 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 12:51:44,133 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845966992] [2021-05-02 12:51:44,134 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845966992] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 12:51:44,134 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115830170] [2021-05-02 12:51:44,134 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 12:51:44,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 12:51:44,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 11 conjunts are in the unsatisfiable core [2021-05-02 12:51:44,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 12:51:44,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:51:44,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:51:44,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:51:44,379 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 12:51:44,379 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115830170] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 12:51:44,379 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-02 12:51:44,379 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 9 [2021-05-02 12:51:44,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475578769] [2021-05-02 12:51:44,380 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-05-02 12:51:44,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 12:51:44,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-05-02 12:51:44,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-05-02 12:51:44,381 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 8 states have internal predecessors, (22), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-05-02 12:51:44,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 12:51:44,591 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2021-05-02 12:51:44,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-02 12:51:44,605 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 8 states have internal predecessors, (22), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 22 [2021-05-02 12:51:44,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 12:51:44,606 INFO L225 Difference]: With dead ends: 40 [2021-05-02 12:51:44,606 INFO L226 Difference]: Without dead ends: 30 [2021-05-02 12:51:44,607 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 23 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 184.0ms TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-05-02 12:51:44,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-05-02 12:51:44,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 27. [2021-05-02 12:51:44,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-05-02 12:51:44,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2021-05-02 12:51:44,613 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 22 [2021-05-02 12:51:44,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 12:51:44,613 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2021-05-02 12:51:44,613 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 8 states have internal predecessors, (22), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-05-02 12:51:44,613 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2021-05-02 12:51:44,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-05-02 12:51:44,613 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 12:51:44,613 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 12:51:44,825 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-05-02 12:51:44,825 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 12:51:44,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 12:51:44,825 INFO L82 PathProgramCache]: Analyzing trace with hash 779354186, now seen corresponding path program 1 times [2021-05-02 12:51:44,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 12:51:44,826 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649328227] [2021-05-02 12:51:44,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 12:51:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 12:51:45,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 12:51:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 12:51:45,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-05-02 12:51:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 12:51:45,132 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 12:51:45,132 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 12:51:45,132 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649328227] [2021-05-02 12:51:45,133 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649328227] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 12:51:45,133 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333234105] [2021-05-02 12:51:45,133 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 12:51:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 12:51:45,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 23 conjunts are in the unsatisfiable core [2021-05-02 12:51:45,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 12:51:45,374 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 12:51:45,374 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1333234105] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 12:51:45,374 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-02 12:51:45,374 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 18 [2021-05-02 12:51:45,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575784084] [2021-05-02 12:51:45,374 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-05-02 12:51:45,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 12:51:45,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-05-02 12:51:45,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2021-05-02 12:51:45,375 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand has 18 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 15 states have internal predecessors, (31), 6 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2021-05-02 12:51:45,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 12:51:45,961 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2021-05-02 12:51:45,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-02 12:51:45,962 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 15 states have internal predecessors, (31), 6 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 22 [2021-05-02 12:51:45,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 12:51:45,962 INFO L225 Difference]: With dead ends: 36 [2021-05-02 12:51:45,962 INFO L226 Difference]: Without dead ends: 34 [2021-05-02 12:51:45,963 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 701.8ms TimeCoverageRelationStatistics Valid=123, Invalid=579, Unknown=0, NotChecked=0, Total=702 [2021-05-02 12:51:45,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-05-02 12:51:45,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2021-05-02 12:51:45,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 24 states have internal predecessors, (25), 5 states have call successors, (5), 5 states have call predecessors, (5), 4 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2021-05-02 12:51:45,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2021-05-02 12:51:45,967 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 22 [2021-05-02 12:51:45,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 12:51:45,967 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2021-05-02 12:51:45,967 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 15 states have internal predecessors, (31), 6 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2021-05-02 12:51:45,967 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2021-05-02 12:51:45,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-05-02 12:51:45,968 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 12:51:45,968 INFO L523 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 12:51:46,171 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 12:51:46,171 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 12:51:46,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 12:51:46,172 INFO L82 PathProgramCache]: Analyzing trace with hash -523098717, now seen corresponding path program 2 times [2021-05-02 12:51:46,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 12:51:46,172 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015485898] [2021-05-02 12:51:46,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 12:51:46,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 12:51:46,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 12:51:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 12:51:46,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-05-02 12:51:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 12:51:46,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-05-02 12:51:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 12:51:46,434 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-02 12:51:46,435 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 12:51:46,435 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015485898] [2021-05-02 12:51:46,435 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015485898] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 12:51:46,435 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [490508142] [2021-05-02 12:51:46,435 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 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 12:51:46,483 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 12:51:46,483 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 12:51:46,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 27 conjunts are in the unsatisfiable core [2021-05-02 12:51:46,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 12:51:46,705 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-02 12:51:46,706 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [490508142] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 12:51:46,706 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-02 12:51:46,706 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 21 [2021-05-02 12:51:46,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876202173] [2021-05-02 12:51:46,706 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-05-02 12:51:46,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 12:51:46,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-05-02 12:51:46,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-05-02 12:51:46,707 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand has 21 states, 21 states have (on average 1.7619047619047619) internal successors, (37), 19 states have internal predecessors, (37), 8 states have call successors, (10), 5 states have call predecessors, (10), 3 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2021-05-02 12:51:47,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 12:51:47,476 INFO L93 Difference]: Finished difference Result 59 states and 66 transitions. [2021-05-02 12:51:47,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-05-02 12:51:47,477 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 1.7619047619047619) internal successors, (37), 19 states have internal predecessors, (37), 8 states have call successors, (10), 5 states have call predecessors, (10), 3 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) Word has length 30 [2021-05-02 12:51:47,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 12:51:47,478 INFO L225 Difference]: With dead ends: 59 [2021-05-02 12:51:47,478 INFO L226 Difference]: Without dead ends: 49 [2021-05-02 12:51:47,478 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 785.5ms TimeCoverageRelationStatistics Valid=161, Invalid=961, Unknown=0, NotChecked=0, Total=1122 [2021-05-02 12:51:47,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-05-02 12:51:47,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 45. [2021-05-02 12:51:47,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 32 states have (on average 1.09375) internal successors, (35), 33 states have internal predecessors, (35), 7 states have call successors, (7), 6 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2021-05-02 12:51:47,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 48 transitions. [2021-05-02 12:51:47,486 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 48 transitions. Word has length 30 [2021-05-02 12:51:47,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 12:51:47,486 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 48 transitions. [2021-05-02 12:51:47,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.7619047619047619) internal successors, (37), 19 states have internal predecessors, (37), 8 states have call successors, (10), 5 states have call predecessors, (10), 3 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2021-05-02 12:51:47,486 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2021-05-02 12:51:47,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-05-02 12:51:47,487 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 12:51:47,487 INFO L523 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 12:51:47,703 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 12:51:47,703 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 12:51:47,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 12:51:47,703 INFO L82 PathProgramCache]: Analyzing trace with hash -932211910, now seen corresponding path program 3 times [2021-05-02 12:51:47,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 12:51:47,704 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266038893] [2021-05-02 12:51:47,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 12:51:47,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 12:51:47,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 12:51:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 12:51:47,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-05-02 12:51:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 12:51:47,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-05-02 12:51:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 12:51:47,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-05-02 12:51:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 12:51:47,940 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-05-02 12:51:47,940 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 12:51:47,940 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266038893] [2021-05-02 12:51:47,940 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266038893] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 12:51:47,940 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504778015] [2021-05-02 12:51:47,940 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 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 12:51:48,154 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-05-02 12:51:48,154 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 12:51:48,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 25 conjunts are in the unsatisfiable core [2021-05-02 12:51:48,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 12:51:48,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:51:48,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:51:48,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:51:48,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:51:48,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:51:48,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:51:48,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:51:48,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:51:48,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:51:48,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:51:48,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:51:48,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:51:48,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:51:48,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:51:48,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:08,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:08,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:09,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:10,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:10,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:10,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:10,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:10,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:10,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:10,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:10,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:10,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:10,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:10,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:10,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:10,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:10,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:10,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:10,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:10,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:10,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:10,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:10,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:10,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:10,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:10,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:10,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:11,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:11,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:11,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:11,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:11,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:11,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:11,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:11,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:11,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:11,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:11,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:11,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:11,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:11,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:11,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:11,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:11,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:11,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:11,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:11,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:11,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:11,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:11,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:11,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:11,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:11,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:11,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:12,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:12,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:12,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:12,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:12,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:12,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:12,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:12,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:52:12,822 WARN L159 QuantifierPusher]: Ignoring assumption.