/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.8 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 08:03:54,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 08:03:54,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 08:03:54,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 08:03:54,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 08:03:54,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 08:03:54,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 08:03:54,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 08:03:54,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 08:03:54,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 08:03:54,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 08:03:54,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 08:03:54,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 08:03:54,861 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 08:03:54,864 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 08:03:54,866 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 08:03:54,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 08:03:54,871 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 08:03:54,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 08:03:54,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 08:03:54,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 08:03:54,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 08:03:54,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 08:03:54,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 08:03:54,901 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 08:03:54,901 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 08:03:54,901 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 08:03:54,908 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 08:03:54,908 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 08:03:54,912 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 08:03:54,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 08:03:54,913 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 08:03:54,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 08:03:54,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 08:03:54,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 08:03:54,920 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 08:03:54,921 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 08:03:54,921 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 08:03:54,921 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 08:03:54,922 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 08:03:54,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 08:03:54,924 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 [2020-09-25 08:03:54,952 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 08:03:54,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 08:03:54,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 08:03:54,954 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 08:03:54,954 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 08:03:54,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 08:03:54,954 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 08:03:54,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 08:03:54,955 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 08:03:54,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 08:03:54,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 08:03:54,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 08:03:54,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 08:03:54,956 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 08:03:54,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 08:03:54,956 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 08:03:54,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 08:03:54,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 08:03:54,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 08:03:54,957 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 08:03:54,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 08:03:54,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:03:54,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 08:03:54,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 08:03:54,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 08:03:54,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 08:03:54,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 08:03:54,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 08:03:54,959 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 08:03:54,959 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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; [2020-09-25 08:03:55,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 08:03:55,423 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 08:03:55,428 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 08:03:55,430 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 08:03:55,430 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 08:03:55,432 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c [2020-09-25 08:03:55,528 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ea562cd27/ead714758c9e44df9f484f4c70be410d/FLAG7ff8798f7 [2020-09-25 08:03:56,137 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 08:03:56,138 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c [2020-09-25 08:03:56,166 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ea562cd27/ead714758c9e44df9f484f4c70be410d/FLAG7ff8798f7 [2020-09-25 08:03:56,428 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ea562cd27/ead714758c9e44df9f484f4c70be410d [2020-09-25 08:03:56,441 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 08:03:56,448 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 08:03:56,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 08:03:56,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 08:03:56,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 08:03:56,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:03:56" (1/1) ... [2020-09-25 08:03:56,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:03:56, skipping insertion in model container [2020-09-25 08:03:56,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:03:56" (1/1) ... [2020-09-25 08:03:56,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 08:03:56,517 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 08:03:56,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:03:56,911 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 08:03:57,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:03:57,083 INFO L208 MainTranslator]: Completed translation [2020-09-25 08:03:57,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:03:57 WrapperNode [2020-09-25 08:03:57,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 08:03:57,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 08:03:57,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 08:03:57,085 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 08:03:57,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:03:57" (1/1) ... [2020-09-25 08:03:57,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:03:57" (1/1) ... [2020-09-25 08:03:57,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:03:57" (1/1) ... [2020-09-25 08:03:57,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:03:57" (1/1) ... [2020-09-25 08:03:57,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:03:57" (1/1) ... [2020-09-25 08:03:57,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:03:57" (1/1) ... [2020-09-25 08:03:57,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:03:57" (1/1) ... [2020-09-25 08:03:57,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 08:03:57,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 08:03:57,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 08:03:57,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 08:03:57,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:03:57" (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 [2020-09-25 08:03:57,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 08:03:57,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 08:03:57,251 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 08:03:57,251 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side1_failed_history [2020-09-25 08:03:57,252 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2020-09-25 08:03:57,252 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side2_failed_history [2020-09-25 08:03:57,252 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2020-09-25 08:03:57,252 INFO L138 BoogieDeclarations]: Found implementation of procedure write_active_side_history [2020-09-25 08:03:57,252 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2020-09-25 08:03:57,253 INFO L138 BoogieDeclarations]: Found implementation of procedure write_manual_selection_history [2020-09-25 08:03:57,253 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2020-09-25 08:03:57,253 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-09-25 08:03:57,253 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2020-09-25 08:03:57,253 INFO L138 BoogieDeclarations]: Found implementation of procedure Console_task_each_pals_period [2020-09-25 08:03:57,253 INFO L138 BoogieDeclarations]: Found implementation of procedure Side1_activestandby_task_each_pals_period [2020-09-25 08:03:57,254 INFO L138 BoogieDeclarations]: Found implementation of procedure Side2_activestandby_task_each_pals_period [2020-09-25 08:03:57,254 INFO L138 BoogieDeclarations]: Found implementation of procedure Pendulum_prism_task_each_pals_period [2020-09-25 08:03:57,254 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-09-25 08:03:57,254 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 08:03:57,255 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-09-25 08:03:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 08:03:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-09-25 08:03:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-25 08:03:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-09-25 08:03:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-09-25 08:03:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-09-25 08:03:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 08:03:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 08:03:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure write_side1_failed_history [2020-09-25 08:03:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2020-09-25 08:03:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure write_side2_failed_history [2020-09-25 08:03:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2020-09-25 08:03:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure write_active_side_history [2020-09-25 08:03:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2020-09-25 08:03:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure write_manual_selection_history [2020-09-25 08:03:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2020-09-25 08:03:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-09-25 08:03:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2020-09-25 08:03:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure Console_task_each_pals_period [2020-09-25 08:03:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure Side1_activestandby_task_each_pals_period [2020-09-25 08:03:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure Side2_activestandby_task_each_pals_period [2020-09-25 08:03:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure Pendulum_prism_task_each_pals_period [2020-09-25 08:03:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-09-25 08:03:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 08:03:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 08:03:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 08:03:58,351 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 08:03:58,352 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-25 08:03:58,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:03:58 BoogieIcfgContainer [2020-09-25 08:03:58,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 08:03:58,364 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 08:03:58,364 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 08:03:58,368 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 08:03:58,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:03:56" (1/3) ... [2020-09-25 08:03:58,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e0c220a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:03:58, skipping insertion in model container [2020-09-25 08:03:58,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:03:57" (2/3) ... [2020-09-25 08:03:58,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e0c220a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:03:58, skipping insertion in model container [2020-09-25 08:03:58,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:03:58" (3/3) ... [2020-09-25 08:03:58,373 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c [2020-09-25 08:03:58,386 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 08:03:58,398 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 08:03:58,422 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 08:03:58,460 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 08:03:58,460 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 08:03:58,460 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 08:03:58,460 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 08:03:58,461 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 08:03:58,461 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 08:03:58,461 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 08:03:58,461 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 08:03:58,495 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states. [2020-09-25 08:03:58,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-09-25 08:03:58,517 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:03:58,518 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:03:58,519 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:03:58,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:03:58,526 INFO L82 PathProgramCache]: Analyzing trace with hash -182402980, now seen corresponding path program 1 times [2020-09-25 08:03:58,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:03:58,538 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1827851495] [2020-09-25 08:03:58,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:03:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:03:59,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:03:59,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:03:59,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:03:59,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:03:59,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:03:59,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:00,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:00,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:02,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:02,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-09-25 08:04:02,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 08:04:02,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4008 [2020-09-25 08:04:02,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:02,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:02,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:02,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 189 [2020-09-25 08:04:02,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:02,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 08:04:03,194 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-09-25 08:04:03,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:04:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:03,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:03,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:03,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-25 08:04:03,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:03,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-25 08:04:03,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:03,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:03,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:03,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:03,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:03,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:03,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-25 08:04:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:03,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:03,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:03,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:04:03,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:03,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:04:03,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:03,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:03,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:03,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:03,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:03,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:03,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:04:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:03,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:03,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:03,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:04:03,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:03,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:04:03,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:03,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:03,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:03,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:03,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:03,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:03,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 08:04:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:03,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:03,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:03,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-25 08:04:03,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:03,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 08:04:03,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:03,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:03,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:03,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:03,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:03,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:03,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-25 08:04:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:03,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:03,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:03,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:03,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:03,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 08:04:03,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:03,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:03,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:03,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:03,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:03,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:03,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 08:04:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:03,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:03,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:03,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:03,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:03,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 08:04:03,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 08:04:03,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-25 08:04:03,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:03,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:03,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:03,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 08:04:03,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:03,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:03,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 08:04:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:03,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:03,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:03,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:03,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:03,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 08:04:03,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:03,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:03,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:03,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:03,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:03,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:03,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 08:04:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:03,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:03,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:03,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:03,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:03,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:03,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 08:04:03,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:04:03,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 08:04:03,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:03,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:03,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:03,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-25 08:04:03,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:03,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:03,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 08:04:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:03,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:03,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:03,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:03,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:03,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 08:04:03,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:03,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:03,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:03,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:03,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:03,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:03,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:04:03,895 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1827851495] [2020-09-25 08:04:03,897 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:04:03,897 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 08:04:03,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516104648] [2020-09-25 08:04:03,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 08:04:03,909 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:04:03,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 08:04:03,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-09-25 08:04:03,931 INFO L87 Difference]: Start difference. First operand 574 states. Second operand 9 states. [2020-09-25 08:04:06,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:04:06,758 INFO L93 Difference]: Finished difference Result 1013 states and 1262 transitions. [2020-09-25 08:04:06,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 08:04:06,761 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 228 [2020-09-25 08:04:06,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:04:06,785 INFO L225 Difference]: With dead ends: 1013 [2020-09-25 08:04:06,785 INFO L226 Difference]: Without dead ends: 562 [2020-09-25 08:04:06,796 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=131, Invalid=249, Unknown=0, NotChecked=0, Total=380 [2020-09-25 08:04:06,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2020-09-25 08:04:06,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 562. [2020-09-25 08:04:06,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2020-09-25 08:04:06,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 667 transitions. [2020-09-25 08:04:06,912 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 667 transitions. Word has length 228 [2020-09-25 08:04:06,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:04:06,915 INFO L479 AbstractCegarLoop]: Abstraction has 562 states and 667 transitions. [2020-09-25 08:04:06,915 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 08:04:06,915 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 667 transitions. [2020-09-25 08:04:06,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-09-25 08:04:06,926 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:04:06,926 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:04:06,926 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 08:04:06,930 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:04:06,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:04:06,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1704223652, now seen corresponding path program 1 times [2020-09-25 08:04:06,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:04:06,931 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [676811987] [2020-09-25 08:04:06,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:04:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:07,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:07,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:09,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:09,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-09-25 08:04:09,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:04:09,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2203 [2020-09-25 08:04:09,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:09,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:09,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 08:04:09,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 245 [2020-09-25 08:04:09,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:04:09,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:04:09,471 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-09-25 08:04:09,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:04:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:09,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:09,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:09,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-25 08:04:09,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:09,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 08:04:09,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:09,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:09,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:09,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:09,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:09,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:09,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-25 08:04:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:09,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:09,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:09,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:04:09,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:09,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:04:09,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:09,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:09,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:09,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:09,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:09,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:09,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:04:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:09,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:09,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:09,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:04:09,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:09,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:04:09,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:09,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:09,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:09,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:09,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:09,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:09,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 08:04:09,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:09,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:09,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:09,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-25 08:04:09,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:09,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 08:04:09,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:09,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:09,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:09,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:09,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:09,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:09,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-25 08:04:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:09,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:09,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:09,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:09,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:09,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 08:04:09,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:09,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:09,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:09,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:09,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:09,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:09,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 08:04:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:09,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:09,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:09,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 08:04:09,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:09,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 08:04:09,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:09,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:09,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:09,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:09,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:09,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:09,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 08:04:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:09,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:09,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:09,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:09,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:09,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:04:09,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:09,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:09,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:09,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:09,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:09,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:09,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 08:04:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:09,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:09,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:09,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 08:04:09,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:09,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 08:04:09,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:09,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:09,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:09,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:09,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:09,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:09,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 08:04:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:09,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:09,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:09,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:09,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:09,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:04:09,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:09,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:09,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:09,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:09,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:09,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:09,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:04:09,999 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [676811987] [2020-09-25 08:04:09,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:04:09,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 08:04:10,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345370717] [2020-09-25 08:04:10,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 08:04:10,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:04:10,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 08:04:10,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-09-25 08:04:10,003 INFO L87 Difference]: Start difference. First operand 562 states and 667 transitions. Second operand 11 states. [2020-09-25 08:04:12,461 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-09-25 08:04:12,657 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-25 08:04:13,730 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-09-25 08:04:14,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:04:14,438 INFO L93 Difference]: Finished difference Result 990 states and 1194 transitions. [2020-09-25 08:04:14,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 08:04:14,439 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 228 [2020-09-25 08:04:14,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:04:14,448 INFO L225 Difference]: With dead ends: 990 [2020-09-25 08:04:14,448 INFO L226 Difference]: Without dead ends: 569 [2020-09-25 08:04:14,451 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=201, Invalid=399, Unknown=0, NotChecked=0, Total=600 [2020-09-25 08:04:14,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2020-09-25 08:04:14,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 567. [2020-09-25 08:04:14,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 567 states. [2020-09-25 08:04:14,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 671 transitions. [2020-09-25 08:04:14,502 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 671 transitions. Word has length 228 [2020-09-25 08:04:14,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:04:14,503 INFO L479 AbstractCegarLoop]: Abstraction has 567 states and 671 transitions. [2020-09-25 08:04:14,503 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 08:04:14,503 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 671 transitions. [2020-09-25 08:04:14,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-09-25 08:04:14,509 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:04:14,509 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:04:14,509 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 08:04:14,510 INFO L427 AbstractCegarLoop]: === Iteration 3 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:04:14,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:04:14,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1715458180, now seen corresponding path program 1 times [2020-09-25 08:04:14,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:04:14,511 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1713861489] [2020-09-25 08:04:14,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:04:14,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:14,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:14,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:17,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:18,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:19,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:19,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 338 [2020-09-25 08:04:19,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:04:19,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-09-25 08:04:19,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:19,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:19,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:19,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 184 [2020-09-25 08:04:19,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-09-25 08:04:19,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:19,844 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-09-25 08:04:19,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:04:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:19,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:19,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:19,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-25 08:04:19,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:19,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 08:04:19,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:19,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:19,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:19,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:19,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:19,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:19,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-25 08:04:19,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:19,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:19,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:19,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:04:19,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:19,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:04:19,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:19,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:19,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:19,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:19,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:19,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:19,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:04:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:19,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:19,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:19,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:04:19,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:19,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:04:19,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:19,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:19,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:19,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:19,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:19,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:19,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 08:04:19,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:19,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:19,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:19,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-25 08:04:19,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:19,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 08:04:19,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:19,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:19,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:19,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:19,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:19,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:19,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-25 08:04:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:19,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:19,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:19,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:19,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:19,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:04:19,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:19,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:19,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:19,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:19,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:19,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:20,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 08:04:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:20,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:20,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:20,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 08:04:20,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:20,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-25 08:04:20,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:20,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:20,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:20,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:20,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 08:04:20,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:20,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 08:04:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:20,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:20,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:20,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:20,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:20,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:04:20,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:20,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:20,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:20,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:20,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:20,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:20,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 08:04:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:20,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:20,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:20,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 08:04:20,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:20,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-25 08:04:20,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:20,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:20,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:20,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:20,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-25 08:04:20,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:20,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 08:04:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:20,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:20,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:20,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:20,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:20,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:04:20,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:20,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:20,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:20,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:20,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:20,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:20,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-09-25 08:04:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:20,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:20,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:20,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 08:04:20,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:20,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-25 08:04:20,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:20,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:20,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:20,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:20,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-25 08:04:20,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:20,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 08:04:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:20,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:20,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:20,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:04:20,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:20,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:04:20,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:20,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:20,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:20,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:20,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:20,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:20,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-25 08:04:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:20,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:20,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:20,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:20,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:20,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:04:20,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:20,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:20,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:20,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:20,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:20,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:20,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2020-09-25 08:04:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:20,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:20,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:20,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:04:20,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:20,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:04:20,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:20,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:20,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:20,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 08:04:20,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:20,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:20,505 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-25 08:04:20,507 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1713861489] [2020-09-25 08:04:20,507 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:04:20,507 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-25 08:04:20,508 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599175307] [2020-09-25 08:04:20,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 08:04:20,509 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:04:20,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 08:04:20,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-09-25 08:04:20,510 INFO L87 Difference]: Start difference. First operand 567 states and 671 transitions. Second operand 12 states. [2020-09-25 08:04:22,097 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-09-25 08:04:23,233 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-09-25 08:04:26,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:04:26,143 INFO L93 Difference]: Finished difference Result 1357 states and 1635 transitions. [2020-09-25 08:04:26,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-25 08:04:26,144 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 301 [2020-09-25 08:04:26,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:04:26,151 INFO L225 Difference]: With dead ends: 1357 [2020-09-25 08:04:26,151 INFO L226 Difference]: Without dead ends: 931 [2020-09-25 08:04:26,154 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=347, Invalid=843, Unknown=0, NotChecked=0, Total=1190 [2020-09-25 08:04:26,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2020-09-25 08:04:26,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 892. [2020-09-25 08:04:26,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 892 states. [2020-09-25 08:04:26,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 892 states and 1074 transitions. [2020-09-25 08:04:26,219 INFO L78 Accepts]: Start accepts. Automaton has 892 states and 1074 transitions. Word has length 301 [2020-09-25 08:04:26,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:04:26,220 INFO L479 AbstractCegarLoop]: Abstraction has 892 states and 1074 transitions. [2020-09-25 08:04:26,221 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 08:04:26,221 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1074 transitions. [2020-09-25 08:04:26,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2020-09-25 08:04:26,226 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:04:26,226 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:04:26,226 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 08:04:26,227 INFO L427 AbstractCegarLoop]: === Iteration 4 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:04:26,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:04:26,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1362059029, now seen corresponding path program 1 times [2020-09-25 08:04:26,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:04:26,228 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [876007127] [2020-09-25 08:04:26,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:04:26,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:26,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:26,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:29,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:29,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:31,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:31,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 339 [2020-09-25 08:04:31,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:04:31,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-09-25 08:04:31,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:31,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:31,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:31,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 221 [2020-09-25 08:04:31,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-25 08:04:31,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:31,546 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-09-25 08:04:31,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:04:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:31,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:31,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:31,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-25 08:04:31,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:31,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 08:04:31,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:31,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:31,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:31,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:31,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:31,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:31,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-25 08:04:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:31,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:31,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:31,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:04:31,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:31,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:04:31,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:31,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:31,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:31,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:31,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:31,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:31,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:04:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:31,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:31,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:31,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:04:31,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:31,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:04:31,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:31,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:31,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:31,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:31,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:31,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:31,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 08:04:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:31,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:31,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:31,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-25 08:04:31,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:31,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 08:04:31,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:31,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:31,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:31,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:31,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:31,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:31,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-25 08:04:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:31,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:31,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:31,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:31,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:31,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:04:31,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:31,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:31,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:31,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:31,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:31,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:31,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 08:04:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:31,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:31,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:31,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 08:04:31,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:31,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 08:04:31,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:31,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:31,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:31,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:31,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:31,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:31,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 08:04:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:31,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:31,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:31,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:31,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:31,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:04:31,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:31,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:31,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:31,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:31,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:31,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:31,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 08:04:31,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:31,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:31,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:31,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 08:04:31,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:31,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-25 08:04:31,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:31,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:31,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:31,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:31,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 08:04:31,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:32,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 08:04:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:32,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:32,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:32,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:32,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:32,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:04:32,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:32,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:32,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:32,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:32,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:32,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:32,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-09-25 08:04:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:32,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:32,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:32,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 08:04:32,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:32,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 08:04:32,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:32,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:32,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:32,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:32,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-25 08:04:32,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:04:32,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 08:04:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:32,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:32,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:32,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:04:32,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:32,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 08:04:32,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:32,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:32,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:32,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:32,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:32,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:04:32,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-25 08:04:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:32,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:32,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:32,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:32,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:32,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:04:32,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:32,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:32,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:32,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:32,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:32,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:04:32,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2020-09-25 08:04:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:32,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:32,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:32,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:04:32,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:32,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:04:32,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:32,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:32,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:32,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 08:04:32,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:32,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:32,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-25 08:04:32,474 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [876007127] [2020-09-25 08:04:32,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:04:32,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-25 08:04:32,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995442782] [2020-09-25 08:04:32,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 08:04:32,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:04:32,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 08:04:32,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-09-25 08:04:32,478 INFO L87 Difference]: Start difference. First operand 892 states and 1074 transitions. Second operand 12 states. [2020-09-25 08:04:32,631 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-09-25 08:04:34,618 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-09-25 08:04:35,214 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-09-25 08:04:38,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:04:38,147 INFO L93 Difference]: Finished difference Result 2268 states and 2774 transitions. [2020-09-25 08:04:38,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-25 08:04:38,148 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 302 [2020-09-25 08:04:38,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:04:38,160 INFO L225 Difference]: With dead ends: 2268 [2020-09-25 08:04:38,160 INFO L226 Difference]: Without dead ends: 1517 [2020-09-25 08:04:38,164 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=348, Invalid=842, Unknown=0, NotChecked=0, Total=1190 [2020-09-25 08:04:38,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1517 states. [2020-09-25 08:04:38,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1517 to 1497. [2020-09-25 08:04:38,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1497 states. [2020-09-25 08:04:38,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1497 states and 1828 transitions. [2020-09-25 08:04:38,265 INFO L78 Accepts]: Start accepts. Automaton has 1497 states and 1828 transitions. Word has length 302 [2020-09-25 08:04:38,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:04:38,266 INFO L479 AbstractCegarLoop]: Abstraction has 1497 states and 1828 transitions. [2020-09-25 08:04:38,266 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 08:04:38,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 1828 transitions. [2020-09-25 08:04:38,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2020-09-25 08:04:38,272 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:04:38,272 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:04:38,273 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 08:04:38,273 INFO L427 AbstractCegarLoop]: === Iteration 5 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:04:38,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:04:38,273 INFO L82 PathProgramCache]: Analyzing trace with hash 58144629, now seen corresponding path program 1 times [2020-09-25 08:04:38,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:04:38,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2102134390] [2020-09-25 08:04:38,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:04:38,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:38,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:38,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:41,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:41,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:43,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:43,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 339 [2020-09-25 08:04:43,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:04:43,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 08:04:43,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:43,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:43,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:04:43,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 318 [2020-09-25 08:04:43,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 08:04:43,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:43,516 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-09-25 08:04:43,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:04:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:43,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:43,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:43,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-25 08:04:43,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:43,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 08:04:43,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:43,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:43,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:43,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:43,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:43,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:43,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-25 08:04:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:43,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:43,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:43,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:04:43,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:43,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:04:43,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:43,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:43,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:43,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:43,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:43,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:43,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:04:43,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:43,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:43,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:43,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:04:43,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:43,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:04:43,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:43,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:43,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:43,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:43,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:43,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:43,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 08:04:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:43,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:43,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:43,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-25 08:04:43,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:43,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 08:04:43,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:43,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:43,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:43,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:43,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:43,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:43,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-25 08:04:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:43,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:43,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:43,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:43,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:43,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 08:04:43,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:43,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:43,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:43,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:43,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:43,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:43,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 08:04:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:43,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:43,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:43,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 08:04:43,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:43,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 08:04:43,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:43,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:43,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:43,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:43,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:43,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:04:43,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 08:04:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:43,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:43,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:43,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:43,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:43,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:04:43,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:43,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:43,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:43,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:43,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:43,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:43,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 08:04:43,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:43,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking...