/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=HIGHLEXORDER --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 22:26:38,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 22:26:38,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 22:26:38,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 22:26:38,982 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 22:26:38,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 22:26:38,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 22:26:38,987 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 22:26:38,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 22:26:38,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 22:26:38,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 22:26:38,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 22:26:38,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 22:26:38,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 22:26:38,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 22:26:38,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 22:26:38,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 22:26:38,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 22:26:39,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 22:26:39,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 22:26:39,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 22:26:39,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 22:26:39,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 22:26:39,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 22:26:39,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 22:26:39,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 22:26:39,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 22:26:39,027 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 22:26:39,030 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 22:26:39,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 22:26:39,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 22:26:39,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 22:26:39,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 22:26:39,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 22:26:39,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 22:26:39,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 22:26:39,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 22:26:39,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 22:26:39,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 22:26:39,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 22:26:39,042 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 22:26:39,043 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 22:26:39,101 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 22:26:39,101 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 22:26:39,105 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 22:26:39,105 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 22:26:39,105 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 22:26:39,106 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 22:26:39,106 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 22:26:39,106 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 22:26:39,106 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 22:26:39,107 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 22:26:39,108 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 22:26:39,108 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 22:26:39,108 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 22:26:39,108 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 22:26:39,108 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 22:26:39,109 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 22:26:39,109 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 22:26:39,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 22:26:39,109 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 22:26:39,109 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 22:26:39,110 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 22:26:39,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 22:26:39,111 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 22:26:39,112 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 22:26:39,112 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 22:26:39,112 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 22:26:39,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 22:26:39,113 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 22:26:39,113 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 22:26:39,113 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; [2020-09-24 22:26:39,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 22:26:39,628 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 22:26:39,633 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 22:26:39,635 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 22:26:39,635 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 22:26:39,636 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product44.cil.c [2020-09-24 22:26:39,736 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c7b2f65f1/e341cb97330f43b2a3ecd2b5534dfa9e/FLAG704871c1e [2020-09-24 22:26:40,375 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 22:26:40,376 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product44.cil.c [2020-09-24 22:26:40,394 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c7b2f65f1/e341cb97330f43b2a3ecd2b5534dfa9e/FLAG704871c1e [2020-09-24 22:26:40,661 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c7b2f65f1/e341cb97330f43b2a3ecd2b5534dfa9e [2020-09-24 22:26:40,677 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 22:26:40,684 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 22:26:40,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 22:26:40,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 22:26:40,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 22:26:40,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:26:40" (1/1) ... [2020-09-24 22:26:40,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c375d9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:26:40, skipping insertion in model container [2020-09-24 22:26:40,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:26:40" (1/1) ... [2020-09-24 22:26:40,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 22:26:40,764 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 22:26:41,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:26:41,284 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 22:26:41,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:26:41,448 INFO L208 MainTranslator]: Completed translation [2020-09-24 22:26:41,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:26:41 WrapperNode [2020-09-24 22:26:41,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 22:26:41,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 22:26:41,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 22:26:41,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 22:26:41,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:26:41" (1/1) ... [2020-09-24 22:26:41,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:26:41" (1/1) ... [2020-09-24 22:26:41,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:26:41" (1/1) ... [2020-09-24 22:26:41,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:26:41" (1/1) ... [2020-09-24 22:26:41,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:26:41" (1/1) ... [2020-09-24 22:26:41,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:26:41" (1/1) ... [2020-09-24 22:26:41,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:26:41" (1/1) ... [2020-09-24 22:26:41,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 22:26:41,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 22:26:41,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 22:26:41,587 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 22:26:41,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:26:41" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-24 22:26:41,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 22:26:41,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 22:26:41,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 22:26:41,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 22:26:41,679 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 22:26:41,679 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 22:26:41,680 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 22:26:41,680 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 22:26:41,680 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-24 22:26:41,680 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 22:26:41,680 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 22:26:41,681 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 22:26:41,681 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 22:26:41,682 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 22:26:41,682 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 22:26:41,683 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 22:26:41,683 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 22:26:41,683 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 22:26:41,683 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 22:26:41,684 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 22:26:41,685 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 22:26:41,685 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 22:26:41,686 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 22:26:41,686 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 22:26:41,687 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 22:26:41,688 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 22:26:41,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-24 22:26:41,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-24 22:26:41,689 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 22:26:41,689 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 22:26:41,689 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 22:26:41,690 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 22:26:41,690 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 22:26:41,690 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 22:26:41,690 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 22:26:41,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 22:26:41,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 22:26:41,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 22:26:41,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 22:26:41,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 22:26:41,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 22:26:41,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 22:26:41,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 22:26:41,691 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 22:26:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 22:26:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 22:26:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 22:26:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 22:26:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 22:26:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 22:26:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 22:26:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 22:26:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 22:26:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 22:26:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 22:26:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 22:26:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 22:26:41,695 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 22:26:41,695 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 22:26:41,695 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 22:26:41,695 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-24 22:26:41,695 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 22:26:41,695 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 22:26:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 22:26:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-24 22:26:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 22:26:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 22:26:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 22:26:41,697 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 22:26:41,697 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 22:26:41,698 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 22:26:41,698 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 22:26:41,699 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 22:26:41,700 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-24 22:26:41,700 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 22:26:41,700 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 22:26:41,700 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 22:26:41,700 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 22:26:41,700 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 22:26:41,701 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 22:26:41,701 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 22:26:41,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 22:26:41,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 22:26:41,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 22:26:41,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 22:26:41,703 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 22:26:41,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 22:26:41,703 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 22:26:41,703 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 22:26:41,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 22:26:41,703 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 22:26:41,704 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 22:26:41,704 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 22:26:41,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 22:26:41,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 22:26:41,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 22:26:42,960 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 22:26:42,961 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 22:26:42,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:26:42 BoogieIcfgContainer [2020-09-24 22:26:42,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 22:26:42,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 22:26:42,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 22:26:42,975 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 22:26:42,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 10:26:40" (1/3) ... [2020-09-24 22:26:42,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f683b9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:26:42, skipping insertion in model container [2020-09-24 22:26:42,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:26:41" (2/3) ... [2020-09-24 22:26:42,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f683b9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:26:42, skipping insertion in model container [2020-09-24 22:26:42,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:26:42" (3/3) ... [2020-09-24 22:26:42,979 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product44.cil.c [2020-09-24 22:26:42,991 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 22:26:43,003 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 22:26:43,026 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 22:26:43,061 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 22:26:43,061 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 22:26:43,062 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 22:26:43,062 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 22:26:43,062 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 22:26:43,062 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 22:26:43,062 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 22:26:43,063 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 22:26:43,095 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states. [2020-09-24 22:26:43,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 22:26:43,114 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:26:43,116 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:26:43,117 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:26:43,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:26:43,127 INFO L82 PathProgramCache]: Analyzing trace with hash -436184323, now seen corresponding path program 1 times [2020-09-24 22:26:43,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:26:43,140 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1970786110] [2020-09-24 22:26:43,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:26:43,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:26:43,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:26:43,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:26:45,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:26:46,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:26:47,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:26:48,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:26:48,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 22:26:48,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 22:26:48,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-09-24 22:26:48,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:26:48,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:26:48,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 145 [2020-09-24 22:26:48,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 22:26:48,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 15 [2020-09-24 22:26:49,147 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:26:49,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:26:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:26:49,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:26:49,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:26:49,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:26:49,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:26:49,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-09-24 22:26:49,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:26:49,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:26:49,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:26:49,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:26:49,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:26:49,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:26:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:26:49,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:26:49,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:26:49,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:26:49,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:26:49,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 22:26:49,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:26:49,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:26:49,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:26:49,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:26:49,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:26:49,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:26:49,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:26:49,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:26:49,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:26:49,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:26:49,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:26:49,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:26:49,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:26:49,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:26:49,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:26:49,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:26:49,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:26:49,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:26:49,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:26:49,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:26:49,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:26:49,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:26:49,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:26:49,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 22:26:49,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:26:49,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:26:49,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:26:49,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:26:49,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:26:49,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:26:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:26:49,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:26:49,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:26:49,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:26:49,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:26:49,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:26:49,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:26:49,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:26:49,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:26:49,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:26:49,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:26:49,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:26:49,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:26:49,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:26:49,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:26:49,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:26:49,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:26:49,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:26:49,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:26:49,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:26:49,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:26:49,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:26:49,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:26:49,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 22:26:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:26:49,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:26:49,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:26:49,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:26:49,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:26:49,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:26:49,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:26:49,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:26:49,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:26:49,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:26:49,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:26:49,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 22:26:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:26:49,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:26:49,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:26:49,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:26:49,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:26:49,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 22:26:49,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:26:49,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:26:49,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:26:49,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:26:49,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:26:49,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:26:49,580 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1970786110] [2020-09-24 22:26:49,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:26:49,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 22:26:49,584 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345996232] [2020-09-24 22:26:49,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 22:26:49,622 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:26:49,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 22:26:49,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 22:26:49,644 INFO L87 Difference]: Start difference. First operand 317 states. Second operand 9 states. [2020-09-24 22:26:50,302 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:26:51,565 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:26:51,907 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:26:52,259 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:26:52,599 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:26:52,914 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:26:53,982 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:26:54,308 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:26:54,648 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:26:55,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:26:55,390 INFO L93 Difference]: Finished difference Result 602 states and 738 transitions. [2020-09-24 22:26:55,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-24 22:26:55,392 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 148 [2020-09-24 22:26:55,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:26:55,415 INFO L225 Difference]: With dead ends: 602 [2020-09-24 22:26:55,416 INFO L226 Difference]: Without dead ends: 409 [2020-09-24 22:26:55,423 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-09-24 22:26:55,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2020-09-24 22:26:55,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 354. [2020-09-24 22:26:55,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2020-09-24 22:26:55,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 395 transitions. [2020-09-24 22:26:55,583 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 395 transitions. Word has length 148 [2020-09-24 22:26:55,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:26:55,585 INFO L479 AbstractCegarLoop]: Abstraction has 354 states and 395 transitions. [2020-09-24 22:26:55,585 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 22:26:55,585 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 395 transitions. [2020-09-24 22:26:55,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-09-24 22:26:55,592 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:26:55,592 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:26:55,592 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 22:26:55,593 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:26:55,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:26:55,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1114836286, now seen corresponding path program 1 times [2020-09-24 22:26:55,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:26:55,594 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [613221186] [2020-09-24 22:26:55,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:26:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:26:55,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:26:55,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:26:57,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:26:57,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:00,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:00,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-09-24 22:27:00,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 22:27:00,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-09-24 22:27:00,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:00,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 22:27:00,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 193 [2020-09-24 22:27:00,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-24 22:27:00,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:01,089 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:27:01,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:27:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:01,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:01,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:01,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:27:01,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:01,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-24 22:27:01,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:01,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:01,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:01,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:01,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:01,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:27:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:01,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:01,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:01,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:27:01,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:01,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:01,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:01,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:01,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:01,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:01,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:01,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:27:01,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:01,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:01,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:01,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:27:01,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:01,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:01,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:01,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:01,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:01,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:01,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:01,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:27:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:01,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:01,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:01,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:27:01,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:01,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:27:01,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:01,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:01,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:01,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:01,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:01,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:27:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:01,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:01,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:01,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:27:01,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:01,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:01,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:01,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:01,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:01,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:01,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:01,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:27:01,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:01,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:01,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:01,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:27:01,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:01,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:01,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:01,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:01,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:01,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:01,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:01,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-24 22:27:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:01,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:01,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:02,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:02,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 22:27:02,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:27:02,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 826 [2020-09-24 22:27:02,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:02,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:27:02,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 22:27:02,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:27:02,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:02,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:27:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:02,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:02,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:02,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:27:02,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:02,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-24 22:27:02,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:02,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:27:02,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:02,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 22:27:02,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 22:27:02,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:27:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:02,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:02,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:02,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:27:02,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:02,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:27:02,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:02,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:02,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:02,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:02,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:02,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:27:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:02,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:02,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:02,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 22:27:02,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:02,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 22:27:02,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:02,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:02,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 22:27:02,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:02,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:02,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:27:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:02,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:02,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:02,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 22:27:02,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:02,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:27:02,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:02,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:02,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:02,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:02,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:02,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:27:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:02,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:02,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:02,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:27:02,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:02,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:02,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:02,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:02,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:02,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:02,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:02,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 22:27:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:02,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:02,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:02,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:27:02,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:02,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:27:02,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:02,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:02,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:02,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:02,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:02,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 22:27:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:02,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:02,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:02,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:27:02,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:02,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 22:27:02,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:02,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:27:02,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:02,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:27:02,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:02,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-09-24 22:27:02,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:02,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:02,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:02,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:27:02,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:02,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:02,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:02,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:02,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:27:02,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:02,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 22:27:02,502 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 22:27:02,502 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [613221186] [2020-09-24 22:27:02,502 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:27:02,503 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-24 22:27:02,503 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106824937] [2020-09-24 22:27:02,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 22:27:02,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:27:02,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 22:27:02,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2020-09-24 22:27:02,507 INFO L87 Difference]: Start difference. First operand 354 states and 395 transitions. Second operand 15 states. [2020-09-24 22:27:03,051 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:27:04,213 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:27:04,601 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:27:05,002 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:27:05,445 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 22:27:05,806 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:27:06,451 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:27:06,860 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:27:07,208 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-24 22:27:07,583 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:27:07,904 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:27:08,246 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:27:08,573 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:27:08,906 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:27:09,422 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:27:09,975 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:27:10,304 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:27:10,627 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 22:27:10,976 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:27:11,325 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:27:11,663 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:27:13,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:27:13,592 INFO L93 Difference]: Finished difference Result 978 states and 1254 transitions. [2020-09-24 22:27:13,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-09-24 22:27:13,593 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 204 [2020-09-24 22:27:13,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:27:13,606 INFO L225 Difference]: With dead ends: 978 [2020-09-24 22:27:13,606 INFO L226 Difference]: Without dead ends: 706 [2020-09-24 22:27:13,612 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=312, Invalid=1410, Unknown=0, NotChecked=0, Total=1722 [2020-09-24 22:27:13,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2020-09-24 22:27:13,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 570. [2020-09-24 22:27:13,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 570 states. [2020-09-24 22:27:13,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 643 transitions. [2020-09-24 22:27:13,707 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 643 transitions. Word has length 204 [2020-09-24 22:27:13,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:27:13,708 INFO L479 AbstractCegarLoop]: Abstraction has 570 states and 643 transitions. [2020-09-24 22:27:13,708 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 22:27:13,708 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 643 transitions. [2020-09-24 22:27:13,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-09-24 22:27:13,715 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:27:13,715 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1] [2020-09-24 22:27:13,716 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 22:27:13,716 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:27:13,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:27:13,716 INFO L82 PathProgramCache]: Analyzing trace with hash -375627579, now seen corresponding path program 1 times [2020-09-24 22:27:13,717 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:27:13,717 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [45640391] [2020-09-24 22:27:13,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:27:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:13,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:13,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:14,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:14,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:14,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:14,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:15,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:16,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:18,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:18,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 336 [2020-09-24 22:27:18,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-24 22:27:18,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-09-24 22:27:18,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:18,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:27:18,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 249 [2020-09-24 22:27:18,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:27:18,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:19,157 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:27:19,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:27:19,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:19,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:19,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:19,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:27:19,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:19,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-24 22:27:19,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:19,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:19,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:19,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:19,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:19,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:27:19,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:19,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:19,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:19,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:27:19,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:19,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:27:19,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:19,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:19,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:19,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:19,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:19,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:27:19,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:19,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:19,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:19,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:27:19,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:19,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:27:19,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:19,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:19,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:19,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:19,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:19,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:27:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:19,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:19,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:19,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:27:19,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:19,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:19,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:19,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:19,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:19,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:19,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:19,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:27:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:19,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:19,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:19,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:27:19,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:19,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:27:19,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:19,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:19,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:19,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:19,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:19,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:27:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:19,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:19,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:19,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:27:19,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:19,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:19,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:19,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:19,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:19,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:19,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:19,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 22:27:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:19,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:19,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:19,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 22:27:19,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:19,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:27:19,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:19,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:19,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:19,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:19,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:19,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 22:27:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:19,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:19,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:19,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:27:19,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:19,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:27:19,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:19,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:19,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:19,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:19,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:19,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 22:27:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:19,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:19,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:19,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-24 22:27:19,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:19,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:27:19,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:19,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:19,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:19,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:19,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:19,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:27:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:19,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:19,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:19,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 22:27:19,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:19,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:19,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:19,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:19,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:19,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:19,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:19,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:27:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:19,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:19,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:19,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:27:19,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:19,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:19,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:19,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:19,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:19,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:19,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:19,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-09-24 22:27:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:19,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:19,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:19,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-24 22:27:19,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:19,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:27:19,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:19,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:19,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:19,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:19,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:19,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:27:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:19,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:19,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:19,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 22:27:19,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:19,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:19,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:19,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:19,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:19,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:19,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:19,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:27:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:19,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:19,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:19,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:27:19,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:19,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:19,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:19,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:19,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:19,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:19,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:19,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-09-24 22:27:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:19,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:19,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:19,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 22:27:19,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:19,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-24 22:27:19,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:19,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:27:19,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 22:27:19,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:27:19,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:19,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:27:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:19,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:19,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:19,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:27:19,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:19,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 22:27:19,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:19,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:27:19,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 22:27:19,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:27:19,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:19,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:27:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:19,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:19,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:19,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:27:19,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:19,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 22:27:19,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:19,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 22:27:19,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:19,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:27:19,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:19,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:27:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:19,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:19,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:19,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 22:27:19,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:19,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 22:27:19,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:19,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:19,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 22:27:19,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:19,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:19,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:27:19,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:19,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:19,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:19,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 22:27:19,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:19,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:19,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:19,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:19,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:19,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:19,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:19,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:27:19,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:19,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:19,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:19,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:27:19,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:19,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:27:19,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:19,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:19,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:19,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:19,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:19,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 22:27:19,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:19,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:19,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:19,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:27:19,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:19,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:19,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:19,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:19,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:19,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:19,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:19,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-09-24 22:27:19,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:19,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:19,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:19,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:27:19,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:19,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:19,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:19,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:19,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:27:19,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:19,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:19,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-09-24 22:27:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:19,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:19,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:19,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:27:19,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:19,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:19,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:19,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:19,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:27:19,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:19,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:19,736 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-09-24 22:27:19,737 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [45640391] [2020-09-24 22:27:19,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 22:27:19,738 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-24 22:27:19,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782162639] [2020-09-24 22:27:19,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 22:27:19,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:27:19,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 22:27:19,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-09-24 22:27:19,740 INFO L87 Difference]: Start difference. First operand 570 states and 643 transitions. Second operand 12 states. [2020-09-24 22:27:21,298 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:27:21,593 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:27:21,920 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:27:22,266 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:27:22,568 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:27:24,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:27:24,475 INFO L93 Difference]: Finished difference Result 1469 states and 1921 transitions. [2020-09-24 22:27:24,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-24 22:27:24,477 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 273 [2020-09-24 22:27:24,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:27:24,492 INFO L225 Difference]: With dead ends: 1469 [2020-09-24 22:27:24,492 INFO L226 Difference]: Without dead ends: 1014 [2020-09-24 22:27:24,496 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=260, Invalid=610, Unknown=0, NotChecked=0, Total=870 [2020-09-24 22:27:24,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1014 states. [2020-09-24 22:27:24,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1014 to 582. [2020-09-24 22:27:24,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2020-09-24 22:27:24,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 655 transitions. [2020-09-24 22:27:24,634 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 655 transitions. Word has length 273 [2020-09-24 22:27:24,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:27:24,635 INFO L479 AbstractCegarLoop]: Abstraction has 582 states and 655 transitions. [2020-09-24 22:27:24,635 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 22:27:24,636 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 655 transitions. [2020-09-24 22:27:24,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-09-24 22:27:24,640 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:27:24,640 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:27:24,641 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 22:27:24,641 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:27:24,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:27:24,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1794470949, now seen corresponding path program 1 times [2020-09-24 22:27:24,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:27:24,642 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [257901249] [2020-09-24 22:27:24,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:27:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:24,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:24,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:29,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:29,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-09-24 22:27:29,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:27:29,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-09-24 22:27:29,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:29,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 22:27:29,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-09-24 22:27:29,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 22:27:29,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0