/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.BOUNDED-10.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 08:03:53,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 08:03:53,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 08:03:53,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 08:03:53,737 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 08:03:53,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 08:03:53,740 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 08:03:53,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 08:03:53,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 08:03:53,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 08:03:53,746 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 08:03:53,748 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 08:03:53,748 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 08:03:53,749 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 08:03:53,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 08:03:53,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 08:03:53,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 08:03:53,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 08:03:53,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 08:03:53,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 08:03:53,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 08:03:53,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 08:03:53,773 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 08:03:53,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 08:03:53,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 08:03:53,777 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 08:03:53,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 08:03:53,783 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 08:03:53,783 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 08:03:53,786 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 08:03:53,786 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 08:03:53,787 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 08:03:53,788 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 08:03:53,789 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 08:03:53,790 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 08:03:53,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 08:03:53,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 08:03:53,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 08:03:53,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 08:03:53,794 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 08:03:53,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 08:03:53,805 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 08:03:53,850 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 08:03:53,850 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 08:03:53,852 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 08:03:53,852 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 08:03:53,852 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 08:03:53,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 08:03:53,852 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 08:03:53,853 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 08:03:53,853 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 08:03:53,853 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 08:03:53,853 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 08:03:53,853 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 08:03:53,854 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 08:03:53,854 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 08:03:53,854 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 08:03:53,854 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 08:03:53,854 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 08:03:53,855 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 08:03:53,855 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 08:03:53,855 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 08:03:53,855 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 08:03:53,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:03:53,856 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 08:03:53,856 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 08:03:53,856 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 08:03:53,856 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 08:03:53,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 08:03:53,857 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 08:03:53,857 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 08:03:53,857 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 08:03:54,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 08:03:54,411 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 08:03:54,416 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 08:03:54,420 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 08:03:54,422 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 08:03:54,423 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2020-09-25 08:03:54,503 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/965484d46/f9e649a676094397a8f43062a2f0ebde/FLAG49f9d89e4 [2020-09-25 08:03:55,173 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 08:03:55,174 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2020-09-25 08:03:55,191 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/965484d46/f9e649a676094397a8f43062a2f0ebde/FLAG49f9d89e4 [2020-09-25 08:03:55,410 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/965484d46/f9e649a676094397a8f43062a2f0ebde [2020-09-25 08:03:55,426 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 08:03:55,432 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 08:03:55,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 08:03:55,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 08:03:55,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 08:03:55,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:03:55" (1/1) ... [2020-09-25 08:03:55,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56344ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:03:55, skipping insertion in model container [2020-09-25 08:03:55,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:03:55" (1/1) ... [2020-09-25 08:03:55,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 08:03:55,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 08:03:55,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:03:55,962 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 08:03:56,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:03:56,102 INFO L208 MainTranslator]: Completed translation [2020-09-25 08:03:56,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:03:56 WrapperNode [2020-09-25 08:03:56,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 08:03:56,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 08:03:56,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 08:03:56,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 08:03:56,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:03:56" (1/1) ... [2020-09-25 08:03:56,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:03:56" (1/1) ... [2020-09-25 08:03:56,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:03:56" (1/1) ... [2020-09-25 08:03:56,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:03:56" (1/1) ... [2020-09-25 08:03:56,158 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:03:56" (1/1) ... [2020-09-25 08:03:56,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:03:56" (1/1) ... [2020-09-25 08:03:56,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:03:56" (1/1) ... [2020-09-25 08:03:56,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 08:03:56,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 08:03:56,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 08:03:56,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 08:03:56,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:03:56" (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 08:03:56,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 08:03:56,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 08:03:56,269 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 08:03:56,269 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side1_failed_history [2020-09-25 08:03:56,269 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2020-09-25 08:03:56,269 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side2_failed_history [2020-09-25 08:03:56,270 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2020-09-25 08:03:56,270 INFO L138 BoogieDeclarations]: Found implementation of procedure write_active_side_history [2020-09-25 08:03:56,270 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2020-09-25 08:03:56,270 INFO L138 BoogieDeclarations]: Found implementation of procedure write_manual_selection_history [2020-09-25 08:03:56,270 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2020-09-25 08:03:56,271 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-09-25 08:03:56,271 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2020-09-25 08:03:56,271 INFO L138 BoogieDeclarations]: Found implementation of procedure Console_task_each_pals_period [2020-09-25 08:03:56,271 INFO L138 BoogieDeclarations]: Found implementation of procedure Side1_activestandby_task_each_pals_period [2020-09-25 08:03:56,271 INFO L138 BoogieDeclarations]: Found implementation of procedure Side2_activestandby_task_each_pals_period [2020-09-25 08:03:56,272 INFO L138 BoogieDeclarations]: Found implementation of procedure Pendulum_prism_task_each_pals_period [2020-09-25 08:03:56,272 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-09-25 08:03:56,272 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 08:03:56,272 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-09-25 08:03:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 08:03:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-09-25 08:03:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-25 08:03:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-09-25 08:03:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-09-25 08:03:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-09-25 08:03:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 08:03:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 08:03:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure write_side1_failed_history [2020-09-25 08:03:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2020-09-25 08:03:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure write_side2_failed_history [2020-09-25 08:03:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2020-09-25 08:03:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure write_active_side_history [2020-09-25 08:03:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2020-09-25 08:03:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure write_manual_selection_history [2020-09-25 08:03:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2020-09-25 08:03:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-09-25 08:03:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2020-09-25 08:03:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure Console_task_each_pals_period [2020-09-25 08:03:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure Side1_activestandby_task_each_pals_period [2020-09-25 08:03:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure Side2_activestandby_task_each_pals_period [2020-09-25 08:03:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure Pendulum_prism_task_each_pals_period [2020-09-25 08:03:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-09-25 08:03:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 08:03:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 08:03:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 08:03:57,425 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 08:03:57,425 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-25 08:03:57,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:03:57 BoogieIcfgContainer [2020-09-25 08:03:57,435 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 08:03:57,437 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 08:03:57,437 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 08:03:57,440 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 08:03:57,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:03:55" (1/3) ... [2020-09-25 08:03:57,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ccecef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:03:57, skipping insertion in model container [2020-09-25 08:03:57,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:03:56" (2/3) ... [2020-09-25 08:03:57,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ccecef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:03:57, skipping insertion in model container [2020-09-25 08:03:57,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:03:57" (3/3) ... [2020-09-25 08:03:57,445 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2020-09-25 08:03:57,457 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 08:03:57,469 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 08:03:57,492 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 08:03:57,528 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 08:03:57,528 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 08:03:57,528 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 08:03:57,528 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 08:03:57,528 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 08:03:57,529 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 08:03:57,529 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 08:03:57,529 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 08:03:57,563 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states. [2020-09-25 08:03:57,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-09-25 08:03:57,586 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:03:57,588 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 08:03:57,589 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:03:57,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:03:57,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1455574608, now seen corresponding path program 1 times [2020-09-25 08:03:57,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:03:57,610 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [509499184] [2020-09-25 08:03:57,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:03:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:03:58,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:03:58,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:03:58,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:03:58,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:03:58,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:03:58,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:03:59,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:01,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:01,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-09-25 08:04:01,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 08:04:01,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3609 [2020-09-25 08:04:01,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:01,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:01,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:01,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 189 [2020-09-25 08:04:01,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:01,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 08:04:01,898 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-09-25 08:04:01,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:04:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:01,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:01,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:01,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-25 08:04:01,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:01,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-25 08:04:01,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:01,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:01,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:01,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:01,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:01,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:02,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-25 08:04:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:02,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:02,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:02,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:04:02,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:02,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 08:04:02,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:02,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:02,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:02,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:02,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:02,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:02,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:04:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:02,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:02,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:02,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:04:02,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:02,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:04:02,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:02,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:02,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:02,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:02,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:02,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:02,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 08:04:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:02,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:02,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:02,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-25 08:04:02,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:02,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-25 08:04:02,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:02,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:02,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:02,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:02,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:02,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:02,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-25 08:04:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:02,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:02,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:02,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:02,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:02,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 08:04:02,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:02,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:02,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:02,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:02,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:02,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:02,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 08:04:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:02,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:02,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:02,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:02,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:02,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 08:04:02,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 08:04:02,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-25 08:04:02,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:02,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:02,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:02,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-25 08:04:02,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:02,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:02,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 08:04:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:02,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:02,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:02,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:02,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:02,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:04:02,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:02,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:02,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:02,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:02,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:02,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:02,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 08:04:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:02,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:02,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:02,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:02,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:02,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 08:04:02,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 08:04:02,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-25 08:04:02,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:02,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:02,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:02,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-25 08:04:02,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:02,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:02,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 08:04:02,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:02,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:02,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:02,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:02,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:02,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 08:04:02,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:02,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:02,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:02,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:02,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:02,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:02,612 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 08:04:02,613 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [509499184] [2020-09-25 08:04:02,615 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:04:02,616 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 08:04:02,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355490355] [2020-09-25 08:04:02,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 08:04:02,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:04:02,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 08:04:02,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-09-25 08:04:02,650 INFO L87 Difference]: Start difference. First operand 577 states. Second operand 9 states. [2020-09-25 08:04:05,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:04:05,436 INFO L93 Difference]: Finished difference Result 1024 states and 1272 transitions. [2020-09-25 08:04:05,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 08:04:05,439 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 228 [2020-09-25 08:04:05,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:04:05,482 INFO L225 Difference]: With dead ends: 1024 [2020-09-25 08:04:05,482 INFO L226 Difference]: Without dead ends: 565 [2020-09-25 08:04:05,491 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 08:04:05,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2020-09-25 08:04:05,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 565. [2020-09-25 08:04:05,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2020-09-25 08:04:05,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 670 transitions. [2020-09-25 08:04:05,604 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 670 transitions. Word has length 228 [2020-09-25 08:04:05,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:04:05,608 INFO L479 AbstractCegarLoop]: Abstraction has 565 states and 670 transitions. [2020-09-25 08:04:05,608 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 08:04:05,608 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 670 transitions. [2020-09-25 08:04:05,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-09-25 08:04:05,615 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:04:05,615 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 08:04:05,616 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 08:04:05,616 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:04:05,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:04:05,616 INFO L82 PathProgramCache]: Analyzing trace with hash -839714288, now seen corresponding path program 1 times [2020-09-25 08:04:05,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:04:05,617 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1717116131] [2020-09-25 08:04:05,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:04:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:05,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:06,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:07,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:07,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-09-25 08:04:07,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:04:07,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2337 [2020-09-25 08:04:07,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:07,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:07,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 08:04:07,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 245 [2020-09-25 08:04:07,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:04:07,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:08,251 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-09-25 08:04:08,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:04:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:08,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:08,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:08,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-25 08:04:08,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:08,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-25 08:04:08,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:08,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:08,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:08,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:08,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:08,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:08,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-25 08:04:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:08,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:08,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:08,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:04:08,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:08,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 08:04:08,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:08,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:08,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:08,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:08,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:08,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:08,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:04:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:08,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:08,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:08,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:04:08,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:08,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:04:08,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:08,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:08,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:08,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:08,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:08,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:08,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 08:04:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:08,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:08,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:08,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-25 08:04:08,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:08,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 08:04:08,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:08,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:08,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:08,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:08,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:08,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:08,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-25 08:04:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:08,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:08,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:08,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:08,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:08,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:04:08,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:08,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:08,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:08,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:08,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:08,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:08,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 08:04:08,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:08,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:08,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:08,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 08:04:08,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:08,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 08:04:08,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:08,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:08,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:08,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:08,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:08,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:08,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 08:04:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:08,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:08,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:08,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:08,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:08,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:04:08,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:08,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:08,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:08,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:08,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:08,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:08,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 08:04:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:08,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:08,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:08,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 08:04:08,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:08,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 08:04:08,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:08,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:08,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:08,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:08,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:08,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:08,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 08:04:08,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:08,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:08,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:08,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:08,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:08,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 08:04:08,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:08,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:08,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:08,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:08,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:08,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:04:08,783 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 08:04:08,784 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1717116131] [2020-09-25 08:04:08,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:04:08,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 08:04:08,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623763724] [2020-09-25 08:04:08,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 08:04:08,790 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:04:08,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 08:04:08,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-09-25 08:04:08,791 INFO L87 Difference]: Start difference. First operand 565 states and 670 transitions. Second operand 11 states. [2020-09-25 08:04:08,927 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-09-25 08:04:11,166 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-09-25 08:04:11,356 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-25 08:04:12,452 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-09-25 08:04:13,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:04:13,243 INFO L93 Difference]: Finished difference Result 996 states and 1200 transitions. [2020-09-25 08:04:13,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 08:04:13,243 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 228 [2020-09-25 08:04:13,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:04:13,255 INFO L225 Difference]: With dead ends: 996 [2020-09-25 08:04:13,255 INFO L226 Difference]: Without dead ends: 572 [2020-09-25 08:04:13,258 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 08:04:13,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2020-09-25 08:04:13,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 570. [2020-09-25 08:04:13,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 570 states. [2020-09-25 08:04:13,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 674 transitions. [2020-09-25 08:04:13,303 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 674 transitions. Word has length 228 [2020-09-25 08:04:13,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:04:13,303 INFO L479 AbstractCegarLoop]: Abstraction has 570 states and 674 transitions. [2020-09-25 08:04:13,304 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 08:04:13,304 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 674 transitions. [2020-09-25 08:04:13,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-09-25 08:04:13,309 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:04:13,310 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 08:04:13,310 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 08:04:13,310 INFO L427 AbstractCegarLoop]: === Iteration 3 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:04:13,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:04:13,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1393853320, now seen corresponding path program 1 times [2020-09-25 08:04:13,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:04:13,311 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1136475151] [2020-09-25 08:04:13,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:04:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:13,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:13,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:16,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:16,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:18,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:18,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 338 [2020-09-25 08:04:18,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:04:18,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5048 [2020-09-25 08:04:18,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:18,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:18,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:18,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 184 [2020-09-25 08:04:18,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-09-25 08:04:18,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:18,769 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-09-25 08:04:18,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:04:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:18,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:18,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:18,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-25 08:04:18,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:18,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 08:04:18,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:18,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:18,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:18,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:18,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:18,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:18,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-25 08:04:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:18,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:18,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:18,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:04:18,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:18,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:04:18,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:18,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:18,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:18,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:18,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:18,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:18,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:04:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:18,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:18,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:18,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:04:18,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:18,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:04:18,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:18,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:18,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:18,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:18,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:18,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:18,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 08:04:18,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:18,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:18,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:18,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-25 08:04:18,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:18,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 08:04:18,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:18,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:18,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:18,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:18,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:18,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:18,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-25 08:04:18,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:18,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:18,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:18,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:18,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:18,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:04:18,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:18,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:18,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:18,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:18,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:18,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:18,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 08:04:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:19,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:19,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:19,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 08:04:19,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:19,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-25 08:04:19,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:19,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:19,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:19,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:19,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 08:04:19,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:19,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 08:04:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:19,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:19,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:19,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:19,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:19,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:04:19,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:19,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:19,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:19,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:19,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:19,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:19,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 08:04:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:19,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:19,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:19,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 08:04:19,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:19,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-25 08:04:19,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:19,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:19,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:19,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:19,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-25 08:04:19,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:19,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 08:04:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:19,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:19,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:19,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:19,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:19,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:04:19,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:19,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:19,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:19,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:19,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:19,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:19,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-09-25 08:04:19,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:19,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:19,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:19,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 08:04:19,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:19,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 08:04:19,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:19,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:19,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:19,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:19,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-25 08:04:19,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:19,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 08:04:19,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:19,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:19,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:19,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:04:19,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:19,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:04:19,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:19,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:19,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:19,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:19,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:19,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:19,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-25 08:04:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:19,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:19,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:19,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:19,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:19,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 08:04:19,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:19,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:19,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:19,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:19,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:19,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:19,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2020-09-25 08:04:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:19,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:19,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:19,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:04:19,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:19,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:04:19,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:19,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:19,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:19,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 08:04:19,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:19,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:19,485 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 08:04:19,486 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1136475151] [2020-09-25 08:04:19,487 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:04:19,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-25 08:04:19,487 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256772129] [2020-09-25 08:04:19,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 08:04:19,488 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:04:19,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 08:04:19,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-09-25 08:04:19,489 INFO L87 Difference]: Start difference. First operand 570 states and 674 transitions. Second operand 12 states. [2020-09-25 08:04:21,243 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-09-25 08:04:22,310 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-09-25 08:04:25,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:04:25,183 INFO L93 Difference]: Finished difference Result 1366 states and 1644 transitions. [2020-09-25 08:04:25,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-25 08:04:25,184 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 301 [2020-09-25 08:04:25,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:04:25,190 INFO L225 Difference]: With dead ends: 1366 [2020-09-25 08:04:25,190 INFO L226 Difference]: Without dead ends: 937 [2020-09-25 08:04:25,193 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=347, Invalid=843, Unknown=0, NotChecked=0, Total=1190 [2020-09-25 08:04:25,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2020-09-25 08:04:25,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 895. [2020-09-25 08:04:25,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 895 states. [2020-09-25 08:04:25,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1077 transitions. [2020-09-25 08:04:25,256 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1077 transitions. Word has length 301 [2020-09-25 08:04:25,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:04:25,257 INFO L479 AbstractCegarLoop]: Abstraction has 895 states and 1077 transitions. [2020-09-25 08:04:25,257 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 08:04:25,257 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1077 transitions. [2020-09-25 08:04:25,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2020-09-25 08:04:25,263 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:04:25,263 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 08:04:25,263 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 08:04:25,264 INFO L427 AbstractCegarLoop]: === Iteration 4 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:04:25,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:04:25,264 INFO L82 PathProgramCache]: Analyzing trace with hash 2131268364, now seen corresponding path program 1 times [2020-09-25 08:04:25,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:04:25,265 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1783166351] [2020-09-25 08:04:25,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:04:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:25,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:25,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:28,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:28,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:30,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:30,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 339 [2020-09-25 08:04:30,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:04:30,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-09-25 08:04:30,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:30,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:30,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:30,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 221 [2020-09-25 08:04:30,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-25 08:04:30,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:30,507 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-09-25 08:04:30,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:04:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:30,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:30,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:30,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-25 08:04:30,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:30,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-25 08:04:30,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:30,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:30,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:30,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:30,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:30,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:30,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-25 08:04:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:30,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:30,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:30,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:04:30,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:30,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:04:30,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:30,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:30,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:30,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:30,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:30,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:30,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:04:30,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:30,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:30,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:30,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:04:30,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:30,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:04:30,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:30,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:30,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:30,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:30,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:30,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:30,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 08:04:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:30,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:30,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:30,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-25 08:04:30,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:30,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 08:04:30,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:30,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:30,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:30,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:30,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:30,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:04:30,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-25 08:04:30,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:30,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:30,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:30,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:30,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:30,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:04:30,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:30,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:30,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:30,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:30,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:30,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:30,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 08:04:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:30,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:30,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:30,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 08:04:30,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:30,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 08:04:30,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:30,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:30,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:30,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:30,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:30,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:30,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 08:04:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:30,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:30,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:30,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:30,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:30,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:04:30,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:30,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:30,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:30,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:30,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:30,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:30,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 08:04:30,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:30,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:30,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:30,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 08:04:30,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:30,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-25 08:04:30,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:30,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:30,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:30,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:30,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 08:04:30,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:30,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 08:04:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:30,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:30,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:30,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:30,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:30,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:04:30,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:30,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:30,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:30,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:30,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:30,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:31,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-09-25 08:04:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:31,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:31,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:31,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 08:04:31,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:31,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 08:04:31,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:31,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:31,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:31,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:31,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-25 08:04:31,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:31,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 08:04:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:31,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:31,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:31,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:04:31,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:31,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 08:04:31,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:31,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:31,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:31,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:31,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:31,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:31,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-25 08:04:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:31,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:31,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:31,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:31,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:31,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:04:31,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:31,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:31,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:31,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:31,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:31,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:31,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2020-09-25 08:04:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:31,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:31,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:31,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:04:31,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:31,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:04:31,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:31,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:31,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:31,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 08:04:31,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:31,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:31,361 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 08:04:31,363 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1783166351] [2020-09-25 08:04:31,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:04:31,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-25 08:04:31,364 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542570827] [2020-09-25 08:04:31,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 08:04:31,365 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:04:31,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 08:04:31,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-09-25 08:04:31,367 INFO L87 Difference]: Start difference. First operand 895 states and 1077 transitions. Second operand 12 states. [2020-09-25 08:04:31,509 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-09-25 08:04:33,879 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-09-25 08:04:34,157 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-09-25 08:04:37,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:04:37,311 INFO L93 Difference]: Finished difference Result 2277 states and 2783 transitions. [2020-09-25 08:04:37,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-25 08:04:37,312 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 302 [2020-09-25 08:04:37,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:04:37,322 INFO L225 Difference]: With dead ends: 2277 [2020-09-25 08:04:37,322 INFO L226 Difference]: Without dead ends: 1523 [2020-09-25 08:04:37,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=348, Invalid=842, Unknown=0, NotChecked=0, Total=1190 [2020-09-25 08:04:37,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1523 states. [2020-09-25 08:04:37,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1523 to 1503. [2020-09-25 08:04:37,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1503 states. [2020-09-25 08:04:37,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1503 states and 1834 transitions. [2020-09-25 08:04:37,427 INFO L78 Accepts]: Start accepts. Automaton has 1503 states and 1834 transitions. Word has length 302 [2020-09-25 08:04:37,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:04:37,428 INFO L479 AbstractCegarLoop]: Abstraction has 1503 states and 1834 transitions. [2020-09-25 08:04:37,428 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 08:04:37,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 1834 transitions. [2020-09-25 08:04:37,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2020-09-25 08:04:37,432 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:04:37,432 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 08:04:37,433 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 08:04:37,433 INFO L427 AbstractCegarLoop]: === Iteration 5 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:04:37,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:04:37,433 INFO L82 PathProgramCache]: Analyzing trace with hash 827353964, now seen corresponding path program 1 times [2020-09-25 08:04:37,433 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:04:37,434 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1995828173] [2020-09-25 08:04:37,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:04:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:37,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:37,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:40,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:40,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:42,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:42,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 339 [2020-09-25 08:04:42,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:04:42,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 08:04:42,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:42,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:42,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:04:42,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 318 [2020-09-25 08:04:42,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 08:04:42,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:42,677 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-09-25 08:04:42,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:04:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:42,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:42,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:42,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-25 08:04:42,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:42,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 08:04:42,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:42,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:42,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:42,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:42,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:42,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:42,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-25 08:04:42,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:42,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:42,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:42,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:04:42,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:42,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:04:42,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:42,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:42,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:42,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:42,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:42,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:42,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:04:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:42,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:42,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:42,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:04:42,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:42,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:04:42,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:42,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:42,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:42,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:42,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:42,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:42,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 08:04:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:42,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:42,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:42,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-25 08:04:42,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:42,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 08:04:42,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:42,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:42,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:42,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:42,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:42,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:42,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-25 08:04:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:42,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:42,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:42,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:42,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:42,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:04:42,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:42,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:42,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:42,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:42,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:42,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:42,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 08:04:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:42,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:42,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:42,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 08:04:42,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:42,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 08:04:42,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:42,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:42,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:42,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:42,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:42,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:42,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 08:04:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:42,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:42,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:42,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:42,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:42,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:04:42,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:42,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:42,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:42,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:42,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:42,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:43,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 08:04:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:43,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:43,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:43,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 08:04:43,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:43,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 08:04:43,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:43,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:43,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:43,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:43,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:43,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:43,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 08:04:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:43,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:43,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:43,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:43,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:43,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:04:43,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:43,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:43,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:43,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:43,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:43,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:43,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-09-25 08:04:43,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:43,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:43,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:43,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 08:04:43,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:43,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 08:04:43,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:43,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:43,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:43,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:43,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:43,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:43,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 08:04:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:43,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:43,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:43,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:04:43,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:43,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:04:43,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:43,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:43,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:43,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:43,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:43,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:43,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-25 08:04:43,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:43,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:43,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:43,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:43,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:43,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:04:43,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:43,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:43,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:43,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:43,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:43,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:43,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2020-09-25 08:04:43,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:43,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:43,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:43,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:04:43,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:43,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 08:04:43,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:43,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:43,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:04:43,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 08:04:43,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 08:04:43,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1