/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 SequenceOfStatements --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=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 13:47:08,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 13:47:08,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 13:47:08,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 13:47:08,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 13:47:08,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 13:47:08,817 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 13:47:08,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 13:47:08,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 13:47:08,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 13:47:08,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 13:47:08,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 13:47:08,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 13:47:08,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 13:47:08,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 13:47:08,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 13:47:08,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 13:47:08,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 13:47:08,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 13:47:08,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 13:47:08,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 13:47:08,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 13:47:08,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 13:47:08,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 13:47:08,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 13:47:08,841 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 13:47:08,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 13:47:08,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 13:47:08,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 13:47:08,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 13:47:08,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 13:47:08,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 13:47:08,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 13:47:08,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 13:47:08,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 13:47:08,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 13:47:08,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 13:47:08,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 13:47:08,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 13:47:08,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 13:47:08,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 13:47:08,851 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 [2020-10-13 13:47:08,874 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 13:47:08,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 13:47:08,876 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 13:47:08,876 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 13:47:08,876 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 13:47:08,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 13:47:08,877 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 13:47:08,877 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 13:47:08,877 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 13:47:08,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 13:47:08,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 13:47:08,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 13:47:08,878 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 13:47:08,878 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 13:47:08,878 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 13:47:08,878 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 13:47:08,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 13:47:08,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 13:47:08,879 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 13:47:08,879 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 13:47:08,879 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 13:47:08,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 13:47:08,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 13:47:08,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 13:47:08,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 13:47:08,880 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 13:47:08,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 13:47:08,881 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 13:47:08,881 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 13:47:08,881 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 -> SequenceOfStatements 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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 13:47:09,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 13:47:09,217 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 13:47:09,221 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 13:47:09,223 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 13:47:09,224 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 13:47:09,225 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.UNBOUNDED.pals.c [2020-10-13 13:47:09,292 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/688ecf79b/ca1a1e9628234df88125a26fe0fb983c/FLAG98e173341 [2020-10-13 13:47:09,792 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 13:47:09,793 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.UNBOUNDED.pals.c [2020-10-13 13:47:09,811 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/688ecf79b/ca1a1e9628234df88125a26fe0fb983c/FLAG98e173341 [2020-10-13 13:47:10,156 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/688ecf79b/ca1a1e9628234df88125a26fe0fb983c [2020-10-13 13:47:10,166 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 13:47:10,168 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 13:47:10,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 13:47:10,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 13:47:10,177 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 13:47:10,178 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:47:10" (1/1) ... [2020-10-13 13:47:10,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5df63da9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:47:10, skipping insertion in model container [2020-10-13 13:47:10,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:47:10" (1/1) ... [2020-10-13 13:47:10,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 13:47:10,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 13:47:10,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 13:47:10,641 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 13:47:10,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 13:47:10,733 INFO L208 MainTranslator]: Completed translation [2020-10-13 13:47:10,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:47:10 WrapperNode [2020-10-13 13:47:10,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 13:47:10,735 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 13:47:10,735 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 13:47:10,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 13:47:10,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:47:10" (1/1) ... [2020-10-13 13:47:10,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:47:10" (1/1) ... [2020-10-13 13:47:10,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:47:10" (1/1) ... [2020-10-13 13:47:10,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:47:10" (1/1) ... [2020-10-13 13:47:10,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:47:10" (1/1) ... [2020-10-13 13:47:10,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:47:10" (1/1) ... [2020-10-13 13:47:10,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:47:10" (1/1) ... [2020-10-13 13:47:10,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 13:47:10,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 13:47:10,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 13:47:10,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 13:47:10,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:47:10" (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 [2020-10-13 13:47:10,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 13:47:10,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 13:47:10,854 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 13:47:10,854 INFO L138 BoogieDeclarations]: Found implementation of procedure add_history_type [2020-10-13 13:47:10,854 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_int8 [2020-10-13 13:47:10,855 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_bool [2020-10-13 13:47:10,855 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_int8 [2020-10-13 13:47:10,855 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_bool [2020-10-13 13:47:10,855 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-13 13:47:10,855 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-13 13:47:10,855 INFO L138 BoogieDeclarations]: Found implementation of procedure gate1_each_pals_period [2020-10-13 13:47:10,856 INFO L138 BoogieDeclarations]: Found implementation of procedure gate2_each_pals_period [2020-10-13 13:47:10,856 INFO L138 BoogieDeclarations]: Found implementation of procedure gate3_each_pals_period [2020-10-13 13:47:10,856 INFO L138 BoogieDeclarations]: Found implementation of procedure voter [2020-10-13 13:47:10,856 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 13:47:10,856 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-13 13:47:10,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 13:47:10,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-13 13:47:10,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-13 13:47:10,857 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-13 13:47:10,857 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-13 13:47:10,857 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 13:47:10,857 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 13:47:10,858 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-13 13:47:10,858 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_bool [2020-10-13 13:47:10,858 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_int8 [2020-10-13 13:47:10,858 INFO L130 BoogieDeclarations]: Found specification of procedure add_history_type [2020-10-13 13:47:10,858 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_int8 [2020-10-13 13:47:10,858 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_bool [2020-10-13 13:47:10,859 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-13 13:47:10,859 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-13 13:47:10,859 INFO L130 BoogieDeclarations]: Found specification of procedure gate1_each_pals_period [2020-10-13 13:47:10,859 INFO L130 BoogieDeclarations]: Found specification of procedure gate2_each_pals_period [2020-10-13 13:47:10,859 INFO L130 BoogieDeclarations]: Found specification of procedure gate3_each_pals_period [2020-10-13 13:47:10,859 INFO L130 BoogieDeclarations]: Found specification of procedure voter [2020-10-13 13:47:10,860 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 13:47:10,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 13:47:10,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 13:47:11,734 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 13:47:11,734 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-13 13:47:11,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:47:11 BoogieIcfgContainer [2020-10-13 13:47:11,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 13:47:11,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 13:47:11,741 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 13:47:11,745 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 13:47:11,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:47:10" (1/3) ... [2020-10-13 13:47:11,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@151a23d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:47:11, skipping insertion in model container [2020-10-13 13:47:11,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:47:10" (2/3) ... [2020-10-13 13:47:11,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@151a23d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:47:11, skipping insertion in model container [2020-10-13 13:47:11,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:47:11" (3/3) ... [2020-10-13 13:47:11,749 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_Triplicated.1.ufo.UNBOUNDED.pals.c [2020-10-13 13:47:11,760 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 13:47:11,768 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 13:47:11,782 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 13:47:11,805 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 13:47:11,805 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 13:47:11,806 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 13:47:11,806 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 13:47:11,806 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 13:47:11,807 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 13:47:11,807 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 13:47:11,807 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 13:47:11,834 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-13 13:47:11,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-13 13:47:11,843 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:47:11,844 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] [2020-10-13 13:47:11,844 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:47:11,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:47:11,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1940648466, now seen corresponding path program 1 times [2020-10-13 13:47:11,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:47:11,861 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1005014912] [2020-10-13 13:47:11,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:47:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:12,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:12,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:12,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 13:47:12,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:12,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 291 [2020-10-13 13:47:12,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:12,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:47:12,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 13:47:12,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 13:47:12,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 13:47:12,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:47:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:12,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:12,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:12,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:12,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:12,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 13:47:12,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:12,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:12,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:12,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:12,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:12,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 13:47:12,525 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1005014912] [2020-10-13 13:47:12,527 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:47:12,527 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 13:47:12,528 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916464285] [2020-10-13 13:47:12,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 13:47:12,534 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:47:12,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 13:47:12,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-13 13:47:12,551 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-10-13 13:47:14,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:47:14,206 INFO L93 Difference]: Finished difference Result 428 states and 706 transitions. [2020-10-13 13:47:14,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-13 13:47:14,211 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-10-13 13:47:14,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:47:14,241 INFO L225 Difference]: With dead ends: 428 [2020-10-13 13:47:14,241 INFO L226 Difference]: Without dead ends: 222 [2020-10-13 13:47:14,253 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-13 13:47:14,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2020-10-13 13:47:14,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 216. [2020-10-13 13:47:14,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-10-13 13:47:14,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 323 transitions. [2020-10-13 13:47:14,342 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 323 transitions. Word has length 21 [2020-10-13 13:47:14,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:47:14,342 INFO L479 AbstractCegarLoop]: Abstraction has 216 states and 323 transitions. [2020-10-13 13:47:14,342 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 13:47:14,343 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 323 transitions. [2020-10-13 13:47:14,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-13 13:47:14,345 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:47:14,345 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] [2020-10-13 13:47:14,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 13:47:14,346 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:47:14,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:47:14,347 INFO L82 PathProgramCache]: Analyzing trace with hash -653142034, now seen corresponding path program 1 times [2020-10-13 13:47:14,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:47:14,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1444272163] [2020-10-13 13:47:14,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:47:14,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:14,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:14,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:14,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:14,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:14,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 13:47:14,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:47:14,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 539 [2020-10-13 13:47:14,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:14,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:47:14,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 13:47:14,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:47:14,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:15,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:47:15,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:15,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:15,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:15,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:15,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:15,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:47:15,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:15,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:15,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:15,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:15,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:15,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 13:47:15,047 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1444272163] [2020-10-13 13:47:15,047 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:47:15,048 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 13:47:15,048 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120674112] [2020-10-13 13:47:15,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 13:47:15,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:47:15,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 13:47:15,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-13 13:47:15,050 INFO L87 Difference]: Start difference. First operand 216 states and 323 transitions. Second operand 5 states. [2020-10-13 13:47:16,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:47:16,513 INFO L93 Difference]: Finished difference Result 443 states and 669 transitions. [2020-10-13 13:47:16,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-13 13:47:16,514 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-13 13:47:16,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:47:16,518 INFO L225 Difference]: With dead ends: 443 [2020-10-13 13:47:16,518 INFO L226 Difference]: Without dead ends: 236 [2020-10-13 13:47:16,520 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-13 13:47:16,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-13 13:47:16,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 229. [2020-10-13 13:47:16,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-10-13 13:47:16,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 339 transitions. [2020-10-13 13:47:16,564 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 339 transitions. Word has length 22 [2020-10-13 13:47:16,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:47:16,564 INFO L479 AbstractCegarLoop]: Abstraction has 229 states and 339 transitions. [2020-10-13 13:47:16,564 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 13:47:16,565 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 339 transitions. [2020-10-13 13:47:16,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-13 13:47:16,566 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:47:16,567 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 13:47:16,569 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 13:47:16,570 INFO L427 AbstractCegarLoop]: === Iteration 3 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:47:16,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:47:16,570 INFO L82 PathProgramCache]: Analyzing trace with hash 966290889, now seen corresponding path program 1 times [2020-10-13 13:47:16,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:47:16,571 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [240401954] [2020-10-13 13:47:16,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:47:16,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:16,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:16,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:16,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:16,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 13:47:16,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:47:16,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 212 [2020-10-13 13:47:16,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:16,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:47:16,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 13:47:16,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 13:47:16,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:16,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:47:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:16,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:16,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:16,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:16,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:16,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 13:47:16,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:16,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:16,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:16,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:16,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:16,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 13:47:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:16,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:16,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:16,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:16,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:16,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:47:16,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:16,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:47:16,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:47:16,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 13:47:16,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:16,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 13:47:16,929 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [240401954] [2020-10-13 13:47:16,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:47:16,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 13:47:16,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691226749] [2020-10-13 13:47:16,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 13:47:16,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:47:16,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 13:47:16,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 13:47:16,931 INFO L87 Difference]: Start difference. First operand 229 states and 339 transitions. Second operand 4 states. [2020-10-13 13:47:18,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:47:18,079 INFO L93 Difference]: Finished difference Result 475 states and 715 transitions. [2020-10-13 13:47:18,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-13 13:47:18,082 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2020-10-13 13:47:18,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:47:18,086 INFO L225 Difference]: With dead ends: 475 [2020-10-13 13:47:18,086 INFO L226 Difference]: Without dead ends: 262 [2020-10-13 13:47:18,087 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 13:47:18,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2020-10-13 13:47:18,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 231. [2020-10-13 13:47:18,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2020-10-13 13:47:18,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 341 transitions. [2020-10-13 13:47:18,124 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 341 transitions. Word has length 30 [2020-10-13 13:47:18,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:47:18,125 INFO L479 AbstractCegarLoop]: Abstraction has 231 states and 341 transitions. [2020-10-13 13:47:18,125 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 13:47:18,125 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 341 transitions. [2020-10-13 13:47:18,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-13 13:47:18,127 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:47:18,127 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] [2020-10-13 13:47:18,127 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 13:47:18,127 INFO L427 AbstractCegarLoop]: === Iteration 4 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:47:18,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:47:18,128 INFO L82 PathProgramCache]: Analyzing trace with hash -995773864, now seen corresponding path program 1 times [2020-10-13 13:47:18,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:47:18,128 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1003239720] [2020-10-13 13:47:18,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:47:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:18,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:18,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:18,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:18,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-13 13:47:18,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:47:18,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 340 [2020-10-13 13:47:18,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:18,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:47:18,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-13 13:47:18,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:47:18,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:18,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:47:18,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:18,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:18,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:18,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:18,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:18,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-13 13:47:18,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:18,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:18,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:18,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:18,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:18,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 13:47:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:18,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:18,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:18,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 13:47:18,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:18,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 13:47:18,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:18,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:47:18,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:18,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 13:47:18,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:18,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:47:18,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:18,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:18,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:18,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:18,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:18,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:47:18,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:18,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:18,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:18,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:18,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:18,720 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 13:47:18,721 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1003239720] [2020-10-13 13:47:18,721 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:47:18,721 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 13:47:18,722 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434914916] [2020-10-13 13:47:18,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 13:47:18,723 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:47:18,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 13:47:18,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-13 13:47:18,724 INFO L87 Difference]: Start difference. First operand 231 states and 341 transitions. Second operand 6 states. [2020-10-13 13:47:20,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:47:20,290 INFO L93 Difference]: Finished difference Result 452 states and 673 transitions. [2020-10-13 13:47:20,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-13 13:47:20,292 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2020-10-13 13:47:20,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:47:20,296 INFO L225 Difference]: With dead ends: 452 [2020-10-13 13:47:20,297 INFO L226 Difference]: Without dead ends: 243 [2020-10-13 13:47:20,299 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-13 13:47:20,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-10-13 13:47:20,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 235. [2020-10-13 13:47:20,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2020-10-13 13:47:20,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 345 transitions. [2020-10-13 13:47:20,348 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 345 transitions. Word has length 38 [2020-10-13 13:47:20,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:47:20,348 INFO L479 AbstractCegarLoop]: Abstraction has 235 states and 345 transitions. [2020-10-13 13:47:20,348 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 13:47:20,348 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 345 transitions. [2020-10-13 13:47:20,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-13 13:47:20,357 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:47:20,357 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] [2020-10-13 13:47:20,357 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 13:47:20,358 INFO L427 AbstractCegarLoop]: === Iteration 5 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:47:20,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:47:20,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1280762247, now seen corresponding path program 1 times [2020-10-13 13:47:20,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:47:20,359 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1356236769] [2020-10-13 13:47:20,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:47:20,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:20,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:20,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:20,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:20,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-13 13:47:20,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:47:20,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-10-13 13:47:20,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:20,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:47:20,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-13 13:47:20,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:47:20,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:20,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:47:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:20,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:20,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:20,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:20,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:20,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 13:47:20,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:20,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:20,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:20,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:20,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:20,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 13:47:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:20,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:20,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:20,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:20,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 13:47:20,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:47:20,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-13 13:47:20,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:20,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:20,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:20,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:20,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:20,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:47:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:20,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:20,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:20,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:20,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:20,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:47:20,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:20,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:20,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:20,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:20,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 13:47:20,798 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-13 13:47:20,799 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1356236769] [2020-10-13 13:47:20,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:47:20,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 13:47:20,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941769567] [2020-10-13 13:47:20,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 13:47:20,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:47:20,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 13:47:20,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-13 13:47:20,801 INFO L87 Difference]: Start difference. First operand 235 states and 345 transitions. Second operand 5 states. [2020-10-13 13:47:22,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:47:22,184 INFO L93 Difference]: Finished difference Result 456 states and 685 transitions. [2020-10-13 13:47:22,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-13 13:47:22,184 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2020-10-13 13:47:22,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:47:22,188 INFO L225 Difference]: With dead ends: 456 [2020-10-13 13:47:22,188 INFO L226 Difference]: Without dead ends: 248 [2020-10-13 13:47:22,190 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-13 13:47:22,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-10-13 13:47:22,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 242. [2020-10-13 13:47:22,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-10-13 13:47:22,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 353 transitions. [2020-10-13 13:47:22,213 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 353 transitions. Word has length 41 [2020-10-13 13:47:22,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:47:22,214 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 353 transitions. [2020-10-13 13:47:22,214 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 13:47:22,214 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 353 transitions. [2020-10-13 13:47:22,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-13 13:47:22,215 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:47:22,216 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 13:47:22,216 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 13:47:22,216 INFO L427 AbstractCegarLoop]: === Iteration 6 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:47:22,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:47:22,216 INFO L82 PathProgramCache]: Analyzing trace with hash -731818264, now seen corresponding path program 1 times [2020-10-13 13:47:22,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:47:22,217 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [390917448] [2020-10-13 13:47:22,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:47:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:22,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:22,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:22,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:22,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:22,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:22,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-13 13:47:22,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 13:47:22,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 730 [2020-10-13 13:47:22,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:22,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:47:22,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-13 13:47:22,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 13:47:22,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:23,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:47:23,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:23,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:23,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:23,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:23,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:23,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:47:23,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:23,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:23,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:23,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:23,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:23,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 13:47:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:23,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:23,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:23,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:23,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 13:47:23,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:47:23,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 13:47:23,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:23,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:23,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:23,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:23,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:23,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:47:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:23,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:23,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:23,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:23,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:23,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:47:23,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:23,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:23,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:23,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:23,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:23,134 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-13 13:47:23,134 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [390917448] [2020-10-13 13:47:23,135 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:47:23,136 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 13:47:23,136 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564020724] [2020-10-13 13:47:23,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 13:47:23,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:47:23,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 13:47:23,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-13 13:47:23,137 INFO L87 Difference]: Start difference. First operand 242 states and 353 transitions. Second operand 5 states. [2020-10-13 13:47:24,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:47:24,339 INFO L93 Difference]: Finished difference Result 459 states and 691 transitions. [2020-10-13 13:47:24,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 13:47:24,341 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2020-10-13 13:47:24,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:47:24,344 INFO L225 Difference]: With dead ends: 459 [2020-10-13 13:47:24,344 INFO L226 Difference]: Without dead ends: 244 [2020-10-13 13:47:24,346 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-13 13:47:24,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2020-10-13 13:47:24,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 240. [2020-10-13 13:47:24,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-10-13 13:47:24,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 349 transitions. [2020-10-13 13:47:24,367 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 349 transitions. Word has length 41 [2020-10-13 13:47:24,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:47:24,367 INFO L479 AbstractCegarLoop]: Abstraction has 240 states and 349 transitions. [2020-10-13 13:47:24,368 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 13:47:24,368 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 349 transitions. [2020-10-13 13:47:24,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-13 13:47:24,369 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:47:24,369 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] [2020-10-13 13:47:24,369 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 13:47:24,369 INFO L427 AbstractCegarLoop]: === Iteration 7 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:47:24,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:47:24,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1473777792, now seen corresponding path program 1 times [2020-10-13 13:47:24,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:47:24,370 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1959456587] [2020-10-13 13:47:24,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:47:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:24,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:24,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:24,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:24,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:25,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:25,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-13 13:47:25,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 13:47:25,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 652 [2020-10-13 13:47:25,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:25,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:47:25,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-13 13:47:25,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:47:25,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:25,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:47:25,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:25,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:25,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:25,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:25,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:25,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:47:25,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:25,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:25,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:25,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:25,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:25,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 13:47:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:25,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:25,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:25,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:25,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 13:47:25,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:47:25,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 13:47:25,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:25,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:25,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:25,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:25,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:25,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:47:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:25,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:25,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:25,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:25,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:25,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:47:25,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:25,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:25,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:25,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:25,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:25,256 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-13 13:47:25,256 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1959456587] [2020-10-13 13:47:25,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:47:25,257 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 13:47:25,257 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761284028] [2020-10-13 13:47:25,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 13:47:25,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:47:25,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 13:47:25,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-13 13:47:25,258 INFO L87 Difference]: Start difference. First operand 240 states and 349 transitions. Second operand 5 states. [2020-10-13 13:47:25,569 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-13 13:47:26,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:47:26,523 INFO L93 Difference]: Finished difference Result 451 states and 668 transitions. [2020-10-13 13:47:26,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 13:47:26,524 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2020-10-13 13:47:26,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:47:26,526 INFO L225 Difference]: With dead ends: 451 [2020-10-13 13:47:26,526 INFO L226 Difference]: Without dead ends: 238 [2020-10-13 13:47:26,528 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-13 13:47:26,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-10-13 13:47:26,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 234. [2020-10-13 13:47:26,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-13 13:47:26,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 335 transitions. [2020-10-13 13:47:26,554 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 335 transitions. Word has length 42 [2020-10-13 13:47:26,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:47:26,554 INFO L479 AbstractCegarLoop]: Abstraction has 234 states and 335 transitions. [2020-10-13 13:47:26,554 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 13:47:26,554 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 335 transitions. [2020-10-13 13:47:26,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-13 13:47:26,558 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:47:26,558 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] [2020-10-13 13:47:26,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 13:47:26,559 INFO L427 AbstractCegarLoop]: === Iteration 8 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:47:26,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:47:26,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1511880476, now seen corresponding path program 1 times [2020-10-13 13:47:26,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:47:26,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1300719703] [2020-10-13 13:47:26,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:47:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:26,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:26,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:27,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:27,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 13:47:27,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:47:27,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 468 [2020-10-13 13:47:27,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:27,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:47:27,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-13 13:47:27,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 13:47:27,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:27,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:47:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:27,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:27,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:27,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:27,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:27,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:47:27,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:27,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:27,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:27,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:27,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:27,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:47:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:27,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:27,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:27,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 13:47:27,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:27,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 13:47:27,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:27,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:27,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:27,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:27,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:27,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:27,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:27,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:27,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:27,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 13:47:27,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:27,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:47:27,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:27,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:27,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:27,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:27,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:27,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:47:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:27,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:27,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:27,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:27,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:27,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:47:27,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:27,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:27,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:27,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:27,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:27,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 13:47:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:27,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:27,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:27,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:27,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:27,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-13 13:47:27,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:27,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:27,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:27,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:27,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:27,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 13:47:27,340 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1300719703] [2020-10-13 13:47:27,340 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:47:27,340 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 13:47:27,340 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526134557] [2020-10-13 13:47:27,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 13:47:27,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:47:27,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 13:47:27,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-13 13:47:27,342 INFO L87 Difference]: Start difference. First operand 234 states and 335 transitions. Second operand 5 states. [2020-10-13 13:47:28,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:47:28,593 INFO L93 Difference]: Finished difference Result 412 states and 594 transitions. [2020-10-13 13:47:28,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 13:47:28,594 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2020-10-13 13:47:28,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:47:28,597 INFO L225 Difference]: With dead ends: 412 [2020-10-13 13:47:28,598 INFO L226 Difference]: Without dead ends: 244 [2020-10-13 13:47:28,600 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-13 13:47:28,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2020-10-13 13:47:28,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 238. [2020-10-13 13:47:28,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-10-13 13:47:28,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 338 transitions. [2020-10-13 13:47:28,634 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 338 transitions. Word has length 45 [2020-10-13 13:47:28,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:47:28,639 INFO L479 AbstractCegarLoop]: Abstraction has 238 states and 338 transitions. [2020-10-13 13:47:28,639 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 13:47:28,639 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 338 transitions. [2020-10-13 13:47:28,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-13 13:47:28,641 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:47:28,641 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 13:47:28,641 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 13:47:28,642 INFO L427 AbstractCegarLoop]: === Iteration 9 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:47:28,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:47:28,642 INFO L82 PathProgramCache]: Analyzing trace with hash -1483309477, now seen corresponding path program 1 times [2020-10-13 13:47:28,643 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:47:28,643 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2039314046] [2020-10-13 13:47:28,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:47:28,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:28,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:28,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:29,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:29,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 13:47:29,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:47:29,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 412 [2020-10-13 13:47:29,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:29,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:47:29,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-13 13:47:29,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:47:29,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:29,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:47:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:29,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:29,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:29,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:29,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:29,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:47:29,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:29,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:29,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:29,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:29,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:29,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:47:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:29,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:29,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:29,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 13:47:29,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:29,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 13:47:29,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:29,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:29,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:29,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:29,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:29,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:29,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:29,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:29,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 13:47:29,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:29,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 13:47:29,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:29,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:29,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:29,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:29,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:29,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:47:29,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:29,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:29,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:29,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:29,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:29,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:47:29,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:29,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:29,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:29,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:29,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:29,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 13:47:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:29,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:29,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:29,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:29,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:29,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:47:29,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:29,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:29,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:29,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:29,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:29,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 13:47:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:29,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:29,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:29,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:47:29,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:29,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 13:47:29,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:29,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:29,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:29,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:29,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:29,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:29,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:29,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:29,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:29,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:29,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:47:29,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:29,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:29,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:29,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:29,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:29,406 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 13:47:29,416 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2039314046] [2020-10-13 13:47:29,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:47:29,416 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 13:47:29,416 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049608598] [2020-10-13 13:47:29,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 13:47:29,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:47:29,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 13:47:29,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 13:47:29,418 INFO L87 Difference]: Start difference. First operand 238 states and 338 transitions. Second operand 7 states. [2020-10-13 13:47:30,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:47:30,802 INFO L93 Difference]: Finished difference Result 432 states and 617 transitions. [2020-10-13 13:47:30,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 13:47:30,802 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2020-10-13 13:47:30,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:47:30,805 INFO L225 Difference]: With dead ends: 432 [2020-10-13 13:47:30,805 INFO L226 Difference]: Without dead ends: 260 [2020-10-13 13:47:30,807 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-13 13:47:30,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-10-13 13:47:30,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 243. [2020-10-13 13:47:30,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-10-13 13:47:30,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 342 transitions. [2020-10-13 13:47:30,830 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 342 transitions. Word has length 57 [2020-10-13 13:47:30,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:47:30,830 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 342 transitions. [2020-10-13 13:47:30,830 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 13:47:30,830 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 342 transitions. [2020-10-13 13:47:30,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-13 13:47:30,832 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:47:30,832 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:47:30,833 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 13:47:30,833 INFO L427 AbstractCegarLoop]: === Iteration 10 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:47:30,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:47:30,833 INFO L82 PathProgramCache]: Analyzing trace with hash -670990751, now seen corresponding path program 1 times [2020-10-13 13:47:30,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:47:30,834 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [498504757] [2020-10-13 13:47:30,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:47:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:30,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:31,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:31,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:31,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-13 13:47:31,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:47:31,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 589 [2020-10-13 13:47:31,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:31,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:47:31,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-13 13:47:31,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:47:31,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:31,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:47:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:31,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:31,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:31,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:31,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:31,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 13:47:31,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:31,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:31,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:31,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:31,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:31,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:47:31,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:31,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:31,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:31,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 13:47:31,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:31,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 13:47:31,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:31,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:31,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:31,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:31,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:31,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:31,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:31,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:31,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:31,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 13:47:31,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:31,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:47:31,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:31,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:31,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:31,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:31,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:31,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:47:31,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:31,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:31,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:31,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:31,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:31,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:47:31,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:31,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:31,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:31,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:31,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:31,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 13:47:31,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:31,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:31,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:31,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:31,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:31,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:31,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:31,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:31,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:31,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:31,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:31,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 13:47:31,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:31,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:31,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:31,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:47:31,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:31,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:47:31,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:31,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:31,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:31,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:31,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:31,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:31,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:31,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:31,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:31,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:31,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:31,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:47:31,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:31,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:31,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:31,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:31,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:31,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 13:47:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:31,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:31,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:31,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:47:31,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:31,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:47:31,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:31,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:31,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:31,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:31,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:31,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:31,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:31,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:31,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:31,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:31,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:47:31,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:31,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:31,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:31,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:31,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:31,804 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-13 13:47:31,805 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [498504757] [2020-10-13 13:47:31,805 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:47:31,805 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 13:47:31,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213425154] [2020-10-13 13:47:31,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 13:47:31,806 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:47:31,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 13:47:31,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-13 13:47:31,807 INFO L87 Difference]: Start difference. First operand 243 states and 342 transitions. Second operand 8 states. [2020-10-13 13:47:32,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:47:32,993 INFO L93 Difference]: Finished difference Result 421 states and 596 transitions. [2020-10-13 13:47:32,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 13:47:32,994 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 70 [2020-10-13 13:47:32,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:47:32,996 INFO L225 Difference]: With dead ends: 421 [2020-10-13 13:47:32,996 INFO L226 Difference]: Without dead ends: 244 [2020-10-13 13:47:32,997 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-13 13:47:32,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2020-10-13 13:47:33,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 242. [2020-10-13 13:47:33,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-10-13 13:47:33,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 337 transitions. [2020-10-13 13:47:33,022 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 337 transitions. Word has length 70 [2020-10-13 13:47:33,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:47:33,022 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 337 transitions. [2020-10-13 13:47:33,022 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 13:47:33,023 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 337 transitions. [2020-10-13 13:47:33,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-13 13:47:33,026 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:47:33,026 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:47:33,027 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 13:47:33,027 INFO L427 AbstractCegarLoop]: === Iteration 11 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:47:33,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:47:33,027 INFO L82 PathProgramCache]: Analyzing trace with hash -865712464, now seen corresponding path program 1 times [2020-10-13 13:47:33,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:47:33,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1518605121] [2020-10-13 13:47:33,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:47:33,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:33,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:33,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:33,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:33,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-13 13:47:33,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:47:33,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 725 [2020-10-13 13:47:33,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:33,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:47:33,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-13 13:47:33,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 13:47:33,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:33,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:47:33,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:33,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:33,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:33,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:33,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:33,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:47:33,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:33,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:33,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:33,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:33,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:33,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:47:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:33,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:33,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:33,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 13:47:33,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:33,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 13:47:33,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:33,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:33,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:33,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:33,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:33,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:33,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:33,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:33,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 13:47:33,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:33,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:47:33,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:33,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:33,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:33,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:33,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:33,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:47:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:33,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:33,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:33,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:33,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:33,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:47:33,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:33,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:33,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:33,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:33,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:33,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 13:47:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:33,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:33,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:33,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:33,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:33,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:47:33,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:33,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:33,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:33,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:33,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:34,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 13:47:34,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:34,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:34,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:34,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:47:34,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:34,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:47:34,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:34,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:34,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:34,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:34,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:34,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:34,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:34,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:34,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:34,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:34,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:47:34,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:34,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:34,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:34,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:34,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:34,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 13:47:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:34,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:34,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:34,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:47:34,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:34,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:47:34,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:34,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:34,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:34,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:34,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:34,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:34,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:34,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:34,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:34,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:34,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:34,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:47:34,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:34,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:34,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:34,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:34,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:34,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 13:47:34,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:34,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:34,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:34,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 13:47:34,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:34,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:47:34,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:34,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:34,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:34,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:34,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:34,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:34,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:34,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:34,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:47:34,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:34,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:47:34,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:34,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:34,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:34,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:34,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:34,197 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-13 13:47:34,198 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1518605121] [2020-10-13 13:47:34,198 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:47:34,198 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 13:47:34,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840924365] [2020-10-13 13:47:34,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 13:47:34,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:47:34,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 13:47:34,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-13 13:47:34,201 INFO L87 Difference]: Start difference. First operand 242 states and 337 transitions. Second operand 9 states. [2020-10-13 13:47:35,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:47:35,563 INFO L93 Difference]: Finished difference Result 417 states and 584 transitions. [2020-10-13 13:47:35,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 13:47:35,564 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2020-10-13 13:47:35,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:47:35,567 INFO L225 Difference]: With dead ends: 417 [2020-10-13 13:47:35,568 INFO L226 Difference]: Without dead ends: 241 [2020-10-13 13:47:35,569 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2020-10-13 13:47:35,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2020-10-13 13:47:35,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2020-10-13 13:47:35,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2020-10-13 13:47:35,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 334 transitions. [2020-10-13 13:47:35,590 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 334 transitions. Word has length 83 [2020-10-13 13:47:35,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:47:35,590 INFO L479 AbstractCegarLoop]: Abstraction has 241 states and 334 transitions. [2020-10-13 13:47:35,590 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 13:47:35,590 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 334 transitions. [2020-10-13 13:47:35,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-13 13:47:35,592 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:47:35,592 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:47:35,592 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 13:47:35,592 INFO L427 AbstractCegarLoop]: === Iteration 12 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:47:35,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:47:35,593 INFO L82 PathProgramCache]: Analyzing trace with hash 710597012, now seen corresponding path program 1 times [2020-10-13 13:47:35,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:47:35,593 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [443174313] [2020-10-13 13:47:35,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:47:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:35,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:35,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:36,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:36,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:36,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:36,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:37,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:40,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:40,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-13 13:47:40,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 13:47:40,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4443 [2020-10-13 13:47:40,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:40,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:47:40,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-13 13:47:40,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 13:47:40,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:40,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:47:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:40,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:40,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:40,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:40,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:40,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:47:40,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:40,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:40,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:40,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:40,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:40,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:47:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:40,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:40,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:40,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 13:47:40,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:40,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 13:47:40,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:40,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:40,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:40,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:40,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:40,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:40,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:40,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:40,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:40,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 13:47:40,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:40,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:47:40,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:40,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:40,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:40,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:40,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:40,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:47:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:40,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:40,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:40,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:40,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:40,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:47:40,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:40,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:40,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:40,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:40,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:40,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 13:47:40,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:40,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:40,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:40,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:40,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:40,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:40,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:40,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:40,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:40,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:40,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:40,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 13:47:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:40,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:40,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:40,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:47:40,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:40,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:47:40,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:40,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:40,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:40,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:40,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:40,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:40,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:40,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:40,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:40,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:40,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:47:40,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:40,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:40,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:40,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:40,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:40,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 13:47:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:40,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:40,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:40,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:47:40,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:40,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:47:40,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:40,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:40,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:40,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:40,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:40,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:40,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:40,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:40,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:40,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:40,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:47:40,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:40,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:40,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:40,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:40,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:40,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 13:47:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:40,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:40,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:40,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 13:47:40,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:40,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 13:47:40,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:40,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:40,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:40,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:40,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:40,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:40,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:40,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:40,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:40,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:47:40,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:40,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:47:40,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:40,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:40,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:40,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:40,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:40,425 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-13 13:47:40,425 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [443174313] [2020-10-13 13:47:40,425 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:47:40,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 13:47:40,426 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575881623] [2020-10-13 13:47:40,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 13:47:40,427 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:47:40,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 13:47:40,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-13 13:47:40,429 INFO L87 Difference]: Start difference. First operand 241 states and 334 transitions. Second operand 9 states. [2020-10-13 13:47:43,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:47:43,504 INFO L93 Difference]: Finished difference Result 746 states and 1038 transitions. [2020-10-13 13:47:43,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 13:47:43,505 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 85 [2020-10-13 13:47:43,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:47:43,511 INFO L225 Difference]: With dead ends: 746 [2020-10-13 13:47:43,512 INFO L226 Difference]: Without dead ends: 571 [2020-10-13 13:47:43,514 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=191, Invalid=409, Unknown=0, NotChecked=0, Total=600 [2020-10-13 13:47:43,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2020-10-13 13:47:43,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 563. [2020-10-13 13:47:43,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2020-10-13 13:47:43,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 774 transitions. [2020-10-13 13:47:43,563 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 774 transitions. Word has length 85 [2020-10-13 13:47:43,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:47:43,563 INFO L479 AbstractCegarLoop]: Abstraction has 563 states and 774 transitions. [2020-10-13 13:47:43,563 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 13:47:43,563 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 774 transitions. [2020-10-13 13:47:43,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-13 13:47:43,566 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:47:43,566 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:47:43,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 13:47:43,567 INFO L427 AbstractCegarLoop]: === Iteration 13 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:47:43,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:47:43,567 INFO L82 PathProgramCache]: Analyzing trace with hash -1243831371, now seen corresponding path program 1 times [2020-10-13 13:47:43,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:47:43,568 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [207162962] [2020-10-13 13:47:43,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:47:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:43,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:43,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:43,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:43,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:44,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:44,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:48,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:48,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-13 13:47:48,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:47:48,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-13 13:47:48,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:48,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:47:48,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-10-13 13:47:48,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:47:48,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:48,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:47:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:48,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:48,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:48,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:48,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:48,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:47:48,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:48,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:48,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:48,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:48,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:48,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:47:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:48,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:48,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:48,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 13:47:48,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:48,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 13:47:48,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:48,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:48,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:48,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:48,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:48,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:48,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:48,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:48,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 13:47:48,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:48,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:47:48,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:48,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:48,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:48,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:48,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:48,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:47:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:48,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:48,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:48,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:48,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:48,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:48,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:48,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:48,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:48,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:48,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:48,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 13:47:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:48,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:48,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:48,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:48,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:48,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:48,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:48,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:48,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:48,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:48,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:48,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 13:47:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:48,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:48,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:48,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:47:48,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:48,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:47:48,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:48,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:48,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:48,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:48,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:48,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:48,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:48,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:48,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:48,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:48,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:47:48,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:48,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:48,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:48,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:48,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:48,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 13:47:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:48,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:48,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:48,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:47:48,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:48,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:47:48,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:48,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:48,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:48,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:48,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:48,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:48,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:48,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:48,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:48,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:48,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:47:48,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:48,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:48,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:48,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:48,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:48,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 13:47:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:48,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:48,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:48,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 13:47:48,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:48,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 13:47:48,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:48,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:48,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:48,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:48,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:48,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:48,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:48,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:48,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:48,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:47:48,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:48,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:47:48,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:48,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:48,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:48,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:48,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:48,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 13:47:48,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:48,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:48,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:48,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 13:47:48,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:48,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:47:48,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:48,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:48,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:48,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:48,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:49,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:47:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:49,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:49,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:49,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:49,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:49,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:47:49,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:49,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:49,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:49,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:49,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:49,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-13 13:47:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:49,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:49,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:49,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:49,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-13 13:47:49,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:47:49,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-13 13:47:49,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:49,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:47:49,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 13:47:49,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:47:49,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:49,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:47:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:49,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:49,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:49,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:49,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:49,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:47:49,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:49,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:49,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:49,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:49,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:49,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 13:47:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:49,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:49,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:49,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:49,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:49,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:47:49,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:49,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:47:49,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:47:49,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:47:49,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:49,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 13:47:49,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:49,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:49,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:49,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:49,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:49,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:47:49,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 13:47:49,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:49,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:49,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 13:47:49,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:49,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:49,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:47:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:49,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:49,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:49,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:49,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:49,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:47:49,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:49,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:49,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 13:47:49,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:49,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:49,197 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-13 13:47:49,197 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [207162962] [2020-10-13 13:47:49,197 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:47:49,198 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 13:47:49,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068985489] [2020-10-13 13:47:49,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 13:47:49,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:47:49,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 13:47:49,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-13 13:47:49,201 INFO L87 Difference]: Start difference. First operand 563 states and 774 transitions. Second operand 11 states. [2020-10-13 13:47:51,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:47:51,053 INFO L93 Difference]: Finished difference Result 1093 states and 1510 transitions. [2020-10-13 13:47:51,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 13:47:51,054 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 124 [2020-10-13 13:47:51,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:47:51,059 INFO L225 Difference]: With dead ends: 1093 [2020-10-13 13:47:51,059 INFO L226 Difference]: Without dead ends: 584 [2020-10-13 13:47:51,063 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2020-10-13 13:47:51,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2020-10-13 13:47:51,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 584. [2020-10-13 13:47:51,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 584 states. [2020-10-13 13:47:51,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 792 transitions. [2020-10-13 13:47:51,113 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 792 transitions. Word has length 124 [2020-10-13 13:47:51,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:47:51,113 INFO L479 AbstractCegarLoop]: Abstraction has 584 states and 792 transitions. [2020-10-13 13:47:51,113 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 13:47:51,113 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 792 transitions. [2020-10-13 13:47:51,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-13 13:47:51,116 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:47:51,116 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:47:51,117 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 13:47:51,117 INFO L427 AbstractCegarLoop]: === Iteration 14 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:47:51,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:47:51,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1356915422, now seen corresponding path program 1 times [2020-10-13 13:47:51,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:47:51,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1465009688] [2020-10-13 13:47:51,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:47:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:51,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:51,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:51,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:51,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:56,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:56,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-13 13:47:56,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 13:47:56,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-13 13:47:56,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:56,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:47:56,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 138 [2020-10-13 13:47:56,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:47:56,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:56,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:47:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:56,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:56,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:56,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:56,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:56,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:47:56,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:56,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:56,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:56,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:56,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:56,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:47:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:56,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:56,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:56,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 13:47:56,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:56,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:47:56,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:56,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:56,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:56,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:56,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:56,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:56,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:56,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:56,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 13:47:56,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:56,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:47:56,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:56,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:56,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:56,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:56,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:56,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:47:56,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:56,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:56,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:56,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:56,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:56,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:56,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:56,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:56,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:56,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:56,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:56,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 13:47:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:56,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:56,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:56,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:56,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:56,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:56,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:56,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:56,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:56,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:56,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:56,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 13:47:56,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:56,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:56,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:56,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:47:56,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:56,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 13:47:56,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:56,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:56,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:56,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:56,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:56,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:56,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:56,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:56,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:56,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:56,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:47:56,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:56,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:56,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:56,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:56,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:56,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 13:47:56,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:56,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:56,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:56,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:47:56,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:56,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:47:56,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:56,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:56,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:56,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:56,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:56,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:56,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:56,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:56,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:56,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:56,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:47:56,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:56,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:56,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:56,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:56,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:56,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 13:47:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:56,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:56,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:56,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 13:47:56,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:56,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 13:47:56,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:56,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:56,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:56,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:56,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 13:47:56,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:56,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:56,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:56,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:47:56,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:56,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:47:56,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:56,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:56,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:56,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:56,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:56,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 13:47:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:56,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:56,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:56,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 13:47:56,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:56,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:47:56,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:56,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:56,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:56,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:56,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:56,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:47:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:56,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:56,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:56,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:56,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:56,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:47:56,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:56,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:56,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:56,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:56,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:56,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-13 13:47:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:56,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:56,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:56,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-13 13:47:56,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:56,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 13:47:56,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:56,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:47:56,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 13:47:56,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:47:56,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:56,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:47:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:56,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:56,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:56,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:56,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:56,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:47:56,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:56,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:56,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:56,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:56,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:56,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 13:47:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:56,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:56,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:56,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:47:56,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:56,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:47:56,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:56,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:56,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:56,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:56,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:56,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 13:47:56,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:56,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:56,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:56,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:56,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:56,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:47:56,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:56,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:47:56,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:47:56,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:47:56,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:56,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 13:47:56,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:56,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:56,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:56,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:56,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:56,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:47:56,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:56,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:56,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 13:47:56,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:56,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:56,758 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-13 13:47:56,759 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1465009688] [2020-10-13 13:47:56,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:47:56,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 13:47:56,760 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673701310] [2020-10-13 13:47:56,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 13:47:56,760 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:47:56,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 13:47:56,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-13 13:47:56,761 INFO L87 Difference]: Start difference. First operand 584 states and 792 transitions. Second operand 11 states. [2020-10-13 13:47:58,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:47:58,647 INFO L93 Difference]: Finished difference Result 1105 states and 1501 transitions. [2020-10-13 13:47:58,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 13:47:58,648 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 125 [2020-10-13 13:47:58,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:47:58,652 INFO L225 Difference]: With dead ends: 1105 [2020-10-13 13:47:58,652 INFO L226 Difference]: Without dead ends: 602 [2020-10-13 13:47:58,654 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2020-10-13 13:47:58,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2020-10-13 13:47:58,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2020-10-13 13:47:58,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2020-10-13 13:47:58,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 813 transitions. [2020-10-13 13:47:58,727 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 813 transitions. Word has length 125 [2020-10-13 13:47:58,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:47:58,728 INFO L479 AbstractCegarLoop]: Abstraction has 602 states and 813 transitions. [2020-10-13 13:47:58,728 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 13:47:58,728 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 813 transitions. [2020-10-13 13:47:58,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-13 13:47:58,732 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:47:58,733 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:47:58,733 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 13:47:58,733 INFO L427 AbstractCegarLoop]: === Iteration 15 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:47:58,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:47:58,733 INFO L82 PathProgramCache]: Analyzing trace with hash 529609683, now seen corresponding path program 1 times [2020-10-13 13:47:58,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:47:58,735 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1244435212] [2020-10-13 13:47:58,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:47:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:58,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:58,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:59,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:00,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:00,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-13 13:48:00,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:48:00,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1922 [2020-10-13 13:48:00,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:00,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:48:00,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 158 [2020-10-13 13:48:00,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 13:48:00,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:00,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:48:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:00,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:00,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:00,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:00,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:00,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:48:00,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:00,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:00,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:00,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:00,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:48:00,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:48:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:00,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:00,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:00,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 13:48:00,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:00,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:48:00,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:00,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:00,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:00,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:00,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:00,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:00,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:00,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:00,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 13:48:00,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:00,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:48:00,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:00,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:00,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:00,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:00,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:00,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:48:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:00,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:00,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:00,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:00,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:00,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:00,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:00,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:00,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:00,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:00,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:00,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 13:48:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:00,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:00,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:00,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:00,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:00,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:00,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:00,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:00,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:00,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:00,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:00,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 13:48:00,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:00,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:00,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:00,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:48:00,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:00,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 13:48:00,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:00,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:00,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:00,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:00,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:48:01,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:01,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:01,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:01,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:01,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:01,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:48:01,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:01,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:01,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:01,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:01,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:48:01,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 13:48:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:01,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:01,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:01,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:48:01,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:01,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:48:01,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:01,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:01,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:01,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:01,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:48:01,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:01,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:01,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:01,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:01,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:01,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:48:01,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:01,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:01,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:01,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:01,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:01,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 13:48:01,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:01,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:01,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:01,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 13:48:01,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:01,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:48:01,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:01,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:01,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:01,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:01,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:48:01,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:01,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:01,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:01,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:48:01,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:01,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:48:01,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:01,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:01,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:01,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:01,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:01,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 13:48:01,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:01,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:01,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:01,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 13:48:01,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:01,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:48:01,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:01,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:01,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:01,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:01,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:48:01,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:48:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:01,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:01,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:01,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:01,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:01,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:48:01,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:01,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:01,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:01,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:01,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:48:01,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-13 13:48:01,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:01,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:01,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:01,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 13:48:01,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:01,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 13:48:01,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:01,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:48:01,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:01,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 13:48:01,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:48:01,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:48:01,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:01,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:01,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:01,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:01,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:01,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:01,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:01,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:01,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:01,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:01,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:01,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 13:48:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:01,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:01,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:01,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:48:01,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:01,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:01,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:01,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:01,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:01,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:01,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:01,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 13:48:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:01,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:01,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:01,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:48:01,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:01,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:48:01,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:01,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:01,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:01,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:01,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:01,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 13:48:01,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:01,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:01,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:01,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:01,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:01,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:01,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:01,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:01,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:01,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:01,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:01,385 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-13 13:48:01,385 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1244435212] [2020-10-13 13:48:01,385 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:48:01,386 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-13 13:48:01,386 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880084474] [2020-10-13 13:48:01,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 13:48:01,387 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:48:01,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 13:48:01,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-13 13:48:01,387 INFO L87 Difference]: Start difference. First operand 602 states and 813 transitions. Second operand 14 states. [2020-10-13 13:48:03,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:48:03,775 INFO L93 Difference]: Finished difference Result 653 states and 887 transitions. [2020-10-13 13:48:03,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 13:48:03,776 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 126 [2020-10-13 13:48:03,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:48:03,781 INFO L225 Difference]: With dead ends: 653 [2020-10-13 13:48:03,781 INFO L226 Difference]: Without dead ends: 651 [2020-10-13 13:48:03,782 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=126, Invalid=380, Unknown=0, NotChecked=0, Total=506 [2020-10-13 13:48:03,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2020-10-13 13:48:03,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 626. [2020-10-13 13:48:03,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2020-10-13 13:48:03,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 838 transitions. [2020-10-13 13:48:03,833 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 838 transitions. Word has length 126 [2020-10-13 13:48:03,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:48:03,834 INFO L479 AbstractCegarLoop]: Abstraction has 626 states and 838 transitions. [2020-10-13 13:48:03,834 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 13:48:03,834 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 838 transitions. [2020-10-13 13:48:03,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-13 13:48:03,837 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:48:03,837 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:48:03,837 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 13:48:03,837 INFO L427 AbstractCegarLoop]: === Iteration 16 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:48:03,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:48:03,838 INFO L82 PathProgramCache]: Analyzing trace with hash 363113731, now seen corresponding path program 1 times [2020-10-13 13:48:03,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:48:03,838 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [829846859] [2020-10-13 13:48:03,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:48:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:03,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:03,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:04,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:04,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:08,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:08,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-13 13:48:08,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 13:48:08,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 13:48:08,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:08,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:48:08,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-13 13:48:08,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 13:48:08,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:08,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:48:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:08,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:08,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:08,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:08,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:08,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:48:08,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:08,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:08,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:08,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:08,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:48:08,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:48:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:08,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:08,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:08,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 13:48:08,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:08,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 13:48:08,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:08,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:48:08,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:08,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:48:08,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:48:09,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:09,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:09,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:09,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 13:48:09,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:09,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:48:09,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:09,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:09,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:09,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:09,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:09,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:48:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:09,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:09,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:09,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:09,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:09,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:48:09,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:09,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:09,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:09,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:09,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:48:09,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 13:48:09,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:09,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:09,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:09,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:09,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:09,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:48:09,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:09,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:48:09,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:48:09,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:48:09,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:48:09,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 13:48:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:09,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:09,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:09,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:48:09,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:09,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:48:09,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:09,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:09,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 13:48:09,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:09,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:09,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:09,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:09,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:09,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:09,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:09,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:48:09,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:09,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:09,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:09,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:09,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:09,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 13:48:09,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:09,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:09,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:09,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:48:09,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:09,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:48:09,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:09,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:09,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 13:48:09,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:09,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:09,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:09,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:09,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:09,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:09,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:09,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:48:09,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:09,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:09,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:09,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:09,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:09,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 13:48:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:09,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:09,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:09,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 13:48:09,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:09,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:48:09,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:09,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:09,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 13:48:09,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:09,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:09,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:09,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:09,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:09,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:48:09,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:09,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:48:09,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:09,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:09,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:09,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:09,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:09,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 13:48:09,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:09,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:09,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:09,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 13:48:09,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:09,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:48:09,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:09,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:09,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 13:48:09,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:09,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:09,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:48:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:09,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:09,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:09,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:09,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:09,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:09,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:09,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:09,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:09,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:09,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:09,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-13 13:48:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:09,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:09,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:09,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:09,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-13 13:48:09,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:48:09,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 13:48:09,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:09,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:09,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-13 13:48:09,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:09,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:09,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:48:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:09,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:09,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:09,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:09,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:09,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:09,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:09,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:09,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:09,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:09,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:09,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 13:48:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:09,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:09,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:09,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:48:09,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:09,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:09,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:09,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:09,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:09,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:09,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:09,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 13:48:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:09,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:09,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:09,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:48:09,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:09,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:09,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:09,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:09,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:09,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:09,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:09,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 13:48:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:09,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:09,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:09,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:09,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:09,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:09,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:09,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:09,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:09,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:09,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:09,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 13:48:09,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:09,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:09,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:09,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:48:09,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:09,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:09,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:09,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:09,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:09,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:09,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:09,412 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-13 13:48:09,413 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [829846859] [2020-10-13 13:48:09,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:48:09,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-13 13:48:09,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346415889] [2020-10-13 13:48:09,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 13:48:09,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:48:09,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 13:48:09,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-13 13:48:09,415 INFO L87 Difference]: Start difference. First operand 626 states and 838 transitions. Second operand 14 states. [2020-10-13 13:48:11,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:48:11,677 INFO L93 Difference]: Finished difference Result 1176 states and 1571 transitions. [2020-10-13 13:48:11,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 13:48:11,677 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 134 [2020-10-13 13:48:11,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:48:11,681 INFO L225 Difference]: With dead ends: 1176 [2020-10-13 13:48:11,681 INFO L226 Difference]: Without dead ends: 622 [2020-10-13 13:48:11,684 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2020-10-13 13:48:11,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2020-10-13 13:48:11,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 622. [2020-10-13 13:48:11,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2020-10-13 13:48:11,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 829 transitions. [2020-10-13 13:48:11,741 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 829 transitions. Word has length 134 [2020-10-13 13:48:11,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:48:11,743 INFO L479 AbstractCegarLoop]: Abstraction has 622 states and 829 transitions. [2020-10-13 13:48:11,744 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 13:48:11,744 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 829 transitions. [2020-10-13 13:48:11,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-13 13:48:11,747 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:48:11,747 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:48:11,747 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 13:48:11,748 INFO L427 AbstractCegarLoop]: === Iteration 17 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:48:11,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:48:11,748 INFO L82 PathProgramCache]: Analyzing trace with hash 433438578, now seen corresponding path program 1 times [2020-10-13 13:48:11,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:48:11,749 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [217739871] [2020-10-13 13:48:11,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:48:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:11,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:11,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:11,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:11,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:11,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:11,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:11,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:12,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:15,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:16,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:16,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-13 13:48:16,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 13:48:16,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-13 13:48:16,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:16,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:48:16,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-13 13:48:16,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:48:16,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:16,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:48:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:16,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:16,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:16,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:16,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:16,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:48:16,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:16,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:16,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:16,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:16,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:16,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:48:16,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:16,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:16,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:16,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:16,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:16,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:17,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:17,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:19,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:21,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:21,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 13:48:21,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 13:48:21,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 13:48:21,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:21,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:48:21,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-13 13:48:21,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:48:21,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:21,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:21,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:21,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:21,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:21,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 13:48:21,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:48:21,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 13:48:21,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:21,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:21,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:21,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:21,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:21,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:48:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:21,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:21,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:21,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:21,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:21,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:21,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:21,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:21,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:21,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:21,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:21,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 13:48:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:21,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:21,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:21,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:21,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:21,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 13:48:21,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:48:21,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 13:48:21,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:21,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:21,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:21,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:21,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:21,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 13:48:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:21,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:21,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:21,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:21,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 13:48:21,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:48:21,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 13:48:21,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:21,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:48:21,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:21,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 13:48:21,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:21,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:48:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:21,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:21,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:21,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:21,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:21,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:48:21,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:21,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:21,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:21,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:21,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:21,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 13:48:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:22,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:22,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:22,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:22,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 13:48:22,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:48:22,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 13:48:22,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:22,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:22,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 13:48:22,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:22,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:22,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:48:22,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:22,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:22,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:22,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:22,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:22,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:22,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:22,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:22,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:22,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:22,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:22,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 13:48:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:22,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:22,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:22,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:22,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:22,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:22,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:22,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:22,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:48:22,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:22,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:22,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 13:48:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:22,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:22,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:22,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:48:22,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:22,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:48:22,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:22,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:22,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 13:48:22,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:22,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:22,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:22,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:22,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:22,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:22,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:22,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:22,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:48:22,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:22,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:22,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:22,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:22,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:22,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-13 13:48:22,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:22,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:22,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:22,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:48:22,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:22,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:48:22,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:22,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:22,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 13:48:22,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:22,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:22,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:22,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:22,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:22,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:22,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:22,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:48:22,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:22,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:22,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:22,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:22,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:22,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 13:48:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:22,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:22,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:22,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 13:48:22,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:22,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:48:22,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:22,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:22,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 13:48:22,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:22,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:22,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:22,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:22,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:22,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:22,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:48:22,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:22,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:48:22,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:22,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:22,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:22,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:22,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:22,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-13 13:48:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:22,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:22,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:22,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 13:48:22,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:22,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:48:22,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:22,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:22,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 13:48:22,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:22,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:22,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:48:22,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:22,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:22,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:22,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:22,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:22,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:48:22,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:22,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:22,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:22,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:22,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:22,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 13:48:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:22,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:22,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:22,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:22,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-13 13:48:22,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:48:22,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-13 13:48:22,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:22,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:22,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-13 13:48:22,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:22,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:22,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:48:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:22,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:22,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:22,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:22,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:22,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:22,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:22,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:22,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:22,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:22,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:22,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 13:48:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:22,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:22,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:22,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:48:22,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:22,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:22,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:22,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:22,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:22,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:22,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:22,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 13:48:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:22,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:22,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:22,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:48:22,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:22,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:22,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:22,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:22,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:22,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:22,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:22,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 13:48:22,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:22,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:22,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:22,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:22,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:22,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:22,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:22,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:22,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:22,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:22,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:22,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 13:48:22,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:22,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:22,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:22,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:48:22,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:22,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:22,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:22,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:22,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:22,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:22,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:22,374 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2020-10-13 13:48:22,375 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [217739871] [2020-10-13 13:48:22,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:48:22,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 13:48:22,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951277514] [2020-10-13 13:48:22,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 13:48:22,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:48:22,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 13:48:22,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-13 13:48:22,377 INFO L87 Difference]: Start difference. First operand 622 states and 829 transitions. Second operand 12 states. [2020-10-13 13:48:24,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:48:24,758 INFO L93 Difference]: Finished difference Result 1220 states and 1632 transitions. [2020-10-13 13:48:24,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 13:48:24,759 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 183 [2020-10-13 13:48:24,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:48:24,763 INFO L225 Difference]: With dead ends: 1220 [2020-10-13 13:48:24,763 INFO L226 Difference]: Without dead ends: 624 [2020-10-13 13:48:24,770 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2020-10-13 13:48:24,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2020-10-13 13:48:24,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 624. [2020-10-13 13:48:24,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-10-13 13:48:24,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 832 transitions. [2020-10-13 13:48:24,849 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 832 transitions. Word has length 183 [2020-10-13 13:48:24,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:48:24,850 INFO L479 AbstractCegarLoop]: Abstraction has 624 states and 832 transitions. [2020-10-13 13:48:24,850 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 13:48:24,850 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 832 transitions. [2020-10-13 13:48:24,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-10-13 13:48:24,857 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:48:24,857 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:48:24,857 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 13:48:24,858 INFO L427 AbstractCegarLoop]: === Iteration 18 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:48:24,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:48:24,858 INFO L82 PathProgramCache]: Analyzing trace with hash 364975575, now seen corresponding path program 2 times [2020-10-13 13:48:24,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:48:24,859 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1593344593] [2020-10-13 13:48:24,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:48:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:24,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:24,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:25,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:25,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:25,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:25,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:25,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:27,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:29,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:29,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-13 13:48:29,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 13:48:29,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 13:48:29,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:29,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:48:29,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-13 13:48:29,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:48:29,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:29,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:48:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:30,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:30,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:30,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:30,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:30,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:48:30,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:30,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:30,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:30,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:30,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:30,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:48:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:30,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:30,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:30,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:30,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:30,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:30,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:30,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:30,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:35,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:35,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-13 13:48:35,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 13:48:35,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 13:48:35,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:35,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:48:35,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-13 13:48:35,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:48:35,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:35,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:35,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:35,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:35,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:35,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 13:48:35,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:48:35,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:48:35,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:35,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:35,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:35,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:35,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:35,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:48:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:35,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:35,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:35,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:35,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:35,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:48:35,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:35,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:35,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:35,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:35,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:35,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 13:48:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:35,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:35,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:35,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:35,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:35,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 13:48:35,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:48:35,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 13:48:35,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:35,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:35,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:35,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:35,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:35,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 13:48:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:35,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:35,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:35,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:35,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:35,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 13:48:35,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:48:35,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 13:48:35,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:35,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:35,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:35,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:35,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:35,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:48:35,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:35,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:35,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:35,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:35,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:35,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:35,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:35,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:35,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:35,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:35,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:35,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-13 13:48:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:35,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:35,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:35,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 13:48:35,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:35,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:48:35,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:35,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:48:35,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:48:35,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 13:48:35,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:35,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:48:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:35,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:35,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:35,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:35,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:35,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:48:35,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:35,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:48:35,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:35,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:48:35,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:35,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 13:48:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:35,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:35,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:35,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:35,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:35,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:35,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:35,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:35,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:48:35,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:35,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:35,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-13 13:48:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:35,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:35,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:35,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:48:35,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:35,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:48:35,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:35,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:35,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 13:48:35,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:35,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:35,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:35,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:35,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:35,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:35,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:35,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:48:35,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:35,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:35,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:35,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:35,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:35,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 13:48:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:35,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:35,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:35,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:48:35,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:35,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:48:35,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:35,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:35,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 13:48:35,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:35,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:35,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:35,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:35,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:35,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:35,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:35,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:48:35,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:35,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:35,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:35,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:35,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:35,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-13 13:48:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:35,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:35,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:35,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 13:48:35,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:35,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:48:35,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:35,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:35,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 13:48:35,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:35,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:35,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:35,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:35,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:35,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:48:35,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:35,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:48:35,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:35,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:35,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:35,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:35,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:35,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-13 13:48:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:35,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:35,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:35,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 13:48:35,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:35,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:48:35,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:35,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:35,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 13:48:35,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:35,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:35,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:48:35,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:35,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:35,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:35,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:35,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:35,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:48:35,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:35,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:35,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:35,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:35,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:35,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 13:48:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:35,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:35,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:35,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:35,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-13 13:48:35,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:48:35,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 13:48:35,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:35,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:35,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-13 13:48:35,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:35,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:35,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:48:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:35,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:35,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:35,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:35,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:35,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:35,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:35,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:35,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:35,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:35,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:35,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 13:48:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:35,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:35,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:35,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:48:35,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:35,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:35,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:35,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:35,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:35,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:35,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:35,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 13:48:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:35,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:35,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:35,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:48:35,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:35,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:48:35,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:35,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:35,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:35,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:35,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:35,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 13:48:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:35,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:35,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:35,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:35,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:35,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:35,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:35,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:35,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:35,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:35,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:35,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 13:48:35,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:35,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:35,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:35,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:48:35,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:35,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:35,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:35,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:35,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:35,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:35,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:35,397 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-13 13:48:35,398 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1593344593] [2020-10-13 13:48:35,398 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:48:35,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 13:48:35,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090612236] [2020-10-13 13:48:35,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 13:48:35,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:48:35,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 13:48:35,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-13 13:48:35,400 INFO L87 Difference]: Start difference. First operand 624 states and 832 transitions. Second operand 11 states. [2020-10-13 13:48:37,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:48:37,115 INFO L93 Difference]: Finished difference Result 1230 states and 1645 transitions. [2020-10-13 13:48:37,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 13:48:37,116 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 186 [2020-10-13 13:48:37,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:48:37,120 INFO L225 Difference]: With dead ends: 1230 [2020-10-13 13:48:37,120 INFO L226 Difference]: Without dead ends: 618 [2020-10-13 13:48:37,122 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2020-10-13 13:48:37,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2020-10-13 13:48:37,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 618. [2020-10-13 13:48:37,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 618 states. [2020-10-13 13:48:37,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 822 transitions. [2020-10-13 13:48:37,167 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 822 transitions. Word has length 186 [2020-10-13 13:48:37,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:48:37,168 INFO L479 AbstractCegarLoop]: Abstraction has 618 states and 822 transitions. [2020-10-13 13:48:37,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 13:48:37,168 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 822 transitions. [2020-10-13 13:48:37,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-13 13:48:37,171 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:48:37,171 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:48:37,171 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 13:48:37,171 INFO L427 AbstractCegarLoop]: === Iteration 19 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:48:37,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:48:37,172 INFO L82 PathProgramCache]: Analyzing trace with hash -583550361, now seen corresponding path program 1 times [2020-10-13 13:48:37,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:48:37,172 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [182760254] [2020-10-13 13:48:37,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:48:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:37,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:37,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:37,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:37,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:37,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:37,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:37,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:41,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:42,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:42,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-10-13 13:48:42,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 13:48:42,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 13:48:42,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:42,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:48:42,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-13 13:48:42,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:48:42,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:42,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:48:42,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:42,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:42,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:42,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:42,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:42,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:48:42,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:42,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:42,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:42,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:42,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:42,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:48:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:42,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:42,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:42,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:42,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:42,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:42,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:43,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:46,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:46,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 13:48:46,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 13:48:46,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4563 [2020-10-13 13:48:46,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:46,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:48:46,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-13 13:48:46,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:48:46,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:46,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:46,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:46,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:46,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:46,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 13:48:46,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:48:46,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:48:46,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:46,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:46,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:46,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:46,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:46,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:48:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:46,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:46,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:46,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:46,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:46,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:46,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:46,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:46,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:46,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:46,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:46,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 13:48:46,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:46,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:46,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:46,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:46,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:46,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 13:48:46,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:48:46,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 13:48:46,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:46,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:46,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:46,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:46,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:46,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 13:48:46,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:46,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:46,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:46,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:46,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:46,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 13:48:46,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:48:46,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 13:48:46,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:46,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:46,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:46,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:46,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:46,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 13:48:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:46,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:46,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:46,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:46,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 13:48:46,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:48:46,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 13:48:46,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:46,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:48:46,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:46,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 13:48:46,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:46,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 13:48:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:46,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:46,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:46,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:48:46,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:46,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:46,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:46,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:46,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:46,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:46,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:46,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 13:48:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:46,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:46,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:46,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:46,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:46,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:48:46,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:46,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:46,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:48:46,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:46,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:46,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 13:48:46,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:46,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:46,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:46,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:48:46,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:46,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:48:46,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:46,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:46,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 13:48:46,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:46,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:47,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:47,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:47,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:47,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:47,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:47,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:47,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:48:47,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:47,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:47,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:47,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:47,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:47,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-13 13:48:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:47,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:47,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:47,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:48:47,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:47,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:48:47,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:47,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:47,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 13:48:47,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:47,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:47,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:47,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:47,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:47,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:47,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:47,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:47,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:47,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:47,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:47,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:47,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:47,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 13:48:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:47,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:47,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:47,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 13:48:47,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:47,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:48:47,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:47,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:47,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 13:48:47,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:47,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:47,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:47,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:47,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:47,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:47,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:48:47,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:47,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:47,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:47,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:47,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:47,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:47,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:47,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-13 13:48:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:47,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:47,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:47,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 13:48:47,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:47,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:48:47,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:47,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:47,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 13:48:47,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:47,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:47,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:48:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:47,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:47,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:47,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:47,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:47,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:47,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:47,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:47,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:47,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:47,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:47,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 13:48:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:47,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:47,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:47,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:47,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-13 13:48:47,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:48:47,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 13:48:47,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:47,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:47,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-13 13:48:47,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:47,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:47,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:48:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:47,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:47,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:47,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:47,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:47,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:47,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:47,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:47,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:47,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:47,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:47,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 13:48:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:47,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:47,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:47,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:48:47,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:47,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:47,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:47,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:47,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:47,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:47,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:47,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 13:48:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:47,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:47,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:47,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:48:47,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:47,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:47,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:47,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:47,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:47,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:47,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:47,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 13:48:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:47,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:47,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:47,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:47,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:47,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:47,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:47,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:47,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:47,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:47,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:47,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 13:48:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:47,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:47,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:47,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:48:47,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:47,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:47,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:47,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:47,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:47,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:47,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:47,267 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-10-13 13:48:47,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [182760254] [2020-10-13 13:48:47,268 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:48:47,268 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 13:48:47,268 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796099216] [2020-10-13 13:48:47,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 13:48:47,269 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:48:47,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 13:48:47,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-13 13:48:47,270 INFO L87 Difference]: Start difference. First operand 618 states and 822 transitions. Second operand 12 states. [2020-10-13 13:48:49,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:48:49,146 INFO L93 Difference]: Finished difference Result 1170 states and 1557 transitions. [2020-10-13 13:48:49,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 13:48:49,147 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 183 [2020-10-13 13:48:49,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:48:49,150 INFO L225 Difference]: With dead ends: 1170 [2020-10-13 13:48:49,150 INFO L226 Difference]: Without dead ends: 618 [2020-10-13 13:48:49,152 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2020-10-13 13:48:49,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2020-10-13 13:48:49,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 618. [2020-10-13 13:48:49,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 618 states. [2020-10-13 13:48:49,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 821 transitions. [2020-10-13 13:48:49,196 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 821 transitions. Word has length 183 [2020-10-13 13:48:49,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:48:49,197 INFO L479 AbstractCegarLoop]: Abstraction has 618 states and 821 transitions. [2020-10-13 13:48:49,197 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 13:48:49,197 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 821 transitions. [2020-10-13 13:48:49,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-13 13:48:49,206 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:48:49,207 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:48:49,207 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-13 13:48:49,207 INFO L427 AbstractCegarLoop]: === Iteration 20 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:48:49,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:48:49,207 INFO L82 PathProgramCache]: Analyzing trace with hash -799637308, now seen corresponding path program 1 times [2020-10-13 13:48:49,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:48:49,208 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [787768922] [2020-10-13 13:48:49,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:48:49,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:49,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:49,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:49,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:49,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:49,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:49,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:50,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:50,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:54,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:54,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-13 13:48:54,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 13:48:54,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 13:48:54,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:54,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:48:54,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-13 13:48:54,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:48:54,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:54,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:48:54,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:54,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:54,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:54,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:54,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:54,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:48:54,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:54,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:54,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:54,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:54,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:54,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:48:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:54,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:54,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:54,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:54,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:54,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:54,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:54,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:56,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:56,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-13 13:48:56,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 13:48:56,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2653 [2020-10-13 13:48:56,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:56,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:48:56,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-13 13:48:56,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:48:56,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:56,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:56,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:56,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:56,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:56,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:56,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 13:48:56,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:48:56,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:48:56,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:56,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:56,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:56,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:56,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:56,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:48:56,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:56,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:56,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:56,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:56,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:56,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:48:56,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:56,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:56,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:56,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:56,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:56,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 13:48:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:56,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:56,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:57,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:57,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 13:48:57,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:48:57,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 13:48:57,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:57,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:48:57,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:48:57,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:48:57,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:57,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 13:48:57,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:57,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:57,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:57,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:57,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:57,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 13:48:57,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:48:57,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 13:48:57,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:57,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:57,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 13:48:57,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:57,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:57,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 13:48:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:57,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:57,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:57,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:57,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:57,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 13:48:57,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:48:57,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 13:48:57,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:57,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:57,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 13:48:57,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:57,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:57,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 13:48:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:57,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:57,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:57,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:57,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:57,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:57,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:57,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:57,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:48:57,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:57,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:57,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 13:48:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:57,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:57,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:57,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:48:57,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:57,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:48:57,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:57,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:57,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 13:48:57,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:57,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:57,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:57,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:57,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:57,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:57,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:57,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:48:57,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:57,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:57,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:57,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:57,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:57,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 13:48:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:57,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:57,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:57,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:48:57,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:57,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:48:57,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:57,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:57,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 13:48:57,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:57,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:57,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:57,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:57,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:57,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:57,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:57,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:48:57,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:57,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:57,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:57,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:57,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:57,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 13:48:57,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:57,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:57,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:57,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 13:48:57,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:57,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:48:57,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:57,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:57,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 13:48:57,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:57,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:57,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:57,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:57,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:57,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:57,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:48:57,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:57,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:48:57,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:57,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:57,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:57,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:57,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:57,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 13:48:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:57,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:57,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:57,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 13:48:57,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:57,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:48:57,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:57,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:57,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 13:48:57,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:57,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:57,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:48:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:57,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:57,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:57,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:57,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:57,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:57,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:57,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:57,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:57,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:57,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:57,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-13 13:48:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:57,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:57,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:57,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:57,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-13 13:48:57,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:48:57,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-13 13:48:57,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:57,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:57,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-13 13:48:57,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:57,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:57,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:48:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:57,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:57,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:57,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:57,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:57,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:57,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:57,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:57,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:57,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:57,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:57,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 13:48:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:57,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:57,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:57,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:48:57,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:57,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:57,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:57,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:57,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:57,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:57,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:57,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 13:48:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:57,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:57,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:57,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:48:57,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:57,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:57,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:57,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:57,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:57,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:57,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:57,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 13:48:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:57,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:57,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:57,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:57,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:57,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:57,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:57,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:57,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:57,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:57,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:57,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 13:48:57,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:57,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:57,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:57,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:48:57,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:57,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:57,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:57,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:57,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:57,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:57,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:57,396 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 9 proven. 25 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-13 13:48:57,397 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [787768922] [2020-10-13 13:48:57,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:48:57,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 13:48:57,397 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640445538] [2020-10-13 13:48:57,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 13:48:57,398 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:48:57,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 13:48:57,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-13 13:48:57,398 INFO L87 Difference]: Start difference. First operand 618 states and 821 transitions. Second operand 11 states. [2020-10-13 13:48:59,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:48:59,244 INFO L93 Difference]: Finished difference Result 1259 states and 1686 transitions. [2020-10-13 13:48:59,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 13:48:59,245 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 179 [2020-10-13 13:48:59,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:48:59,249 INFO L225 Difference]: With dead ends: 1259 [2020-10-13 13:48:59,249 INFO L226 Difference]: Without dead ends: 662 [2020-10-13 13:48:59,251 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2020-10-13 13:48:59,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2020-10-13 13:48:59,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 639. [2020-10-13 13:48:59,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 639 states. [2020-10-13 13:48:59,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 852 transitions. [2020-10-13 13:48:59,301 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 852 transitions. Word has length 179 [2020-10-13 13:48:59,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:48:59,301 INFO L479 AbstractCegarLoop]: Abstraction has 639 states and 852 transitions. [2020-10-13 13:48:59,301 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 13:48:59,301 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 852 transitions. [2020-10-13 13:48:59,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-13 13:48:59,305 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:48:59,306 INFO L422 BasicCegarLoop]: trace histogram [7, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:48:59,306 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-13 13:48:59,306 INFO L427 AbstractCegarLoop]: === Iteration 21 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:48:59,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:48:59,306 INFO L82 PathProgramCache]: Analyzing trace with hash -1309843161, now seen corresponding path program 2 times [2020-10-13 13:48:59,307 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:48:59,307 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [600231727] [2020-10-13 13:48:59,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:48:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:59,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:59,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:59,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:59,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:59,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:59,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:59,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:59,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:02,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:04,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:04,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-13 13:49:04,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 13:49:04,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 13:49:04,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:04,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:49:04,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-13 13:49:04,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:49:04,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:04,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:49:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:04,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:04,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:04,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:49:04,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:04,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:49:04,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:04,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:04,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:04,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:04,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:04,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:49:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:04,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:04,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:04,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:04,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:04,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:04,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:04,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:06,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:09,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 13:49:09,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 13:49:09,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-13 13:49:09,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:09,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:49:09,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-13 13:49:09,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:49:09,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:09,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:09,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:09,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 13:49:09,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:49:09,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 13:49:09,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:09,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:09,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:09,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:09,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:09,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:49:09,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:09,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:09,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:09,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:09,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:09,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:09,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:09,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:09,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:09,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:09,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-13 13:49:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:09,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:09,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:09,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:09,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:49:09,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:09,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:09,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:09,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:09,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:09,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 13:49:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:09,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:09,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 13:49:09,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:09,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:49:09,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:09,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:49:09,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:09,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 13:49:09,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:09,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 13:49:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:09,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:09,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:49:09,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:09,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:09,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:09,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:09,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:09,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:09,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:09,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-13 13:49:09,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:09,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:09,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 13:49:09,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 13:49:09,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 13:49:09,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:09,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:09,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 13:49:09,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:09,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:09,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 13:49:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:09,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:09,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 13:49:09,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 13:49:09,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 13:49:09,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:09,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:09,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 13:49:09,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:09,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:09,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 13:49:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:09,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:09,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:09,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:09,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:09,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:09,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:09,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:49:09,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:09,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:09,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 13:49:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:09,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:09,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:49:09,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:09,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:49:09,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:09,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:09,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 13:49:09,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:09,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:09,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:09,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:09,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:09,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:09,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:49:09,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:09,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:09,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:09,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:09,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:09,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 13:49:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:09,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:09,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:49:09,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:09,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:49:09,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:09,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:09,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 13:49:09,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:09,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:09,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:09,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:09,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:09,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:09,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:09,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:09,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:09,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:09,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:09,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:09,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 13:49:09,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:09,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:09,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 13:49:09,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:09,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:49:09,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:09,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:09,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 13:49:09,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:09,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:09,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:09,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:09,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:49:09,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:09,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:49:09,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:09,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:09,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:09,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:09,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:09,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-13 13:49:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:09,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:09,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 13:49:09,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:09,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:49:09,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:09,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:09,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 13:49:09,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:09,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:09,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:49:09,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:09,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:09,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:09,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:09,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:09,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:09,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:09,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:09,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:09,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:09,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-13 13:49:09,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:09,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:09,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-13 13:49:09,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:49:09,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 13:49:09,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:09,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:09,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-13 13:49:09,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:09,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:09,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:49:09,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:09,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:09,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:09,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:09,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:09,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:09,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:09,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:09,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:09,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:09,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 13:49:09,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:09,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:09,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:49:09,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:09,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:09,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:09,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:09,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:09,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:09,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:09,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 13:49:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:09,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:09,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:49:09,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:09,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:49:09,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:09,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:09,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:09,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:09,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:09,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 13:49:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:09,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:09,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:09,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:09,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:09,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:09,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:09,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:09,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:09,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:09,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 13:49:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:09,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:09,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:49:09,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:09,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:09,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:09,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:09,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:09,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:09,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:09,838 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2020-10-13 13:49:09,838 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [600231727] [2020-10-13 13:49:09,838 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:49:09,838 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 13:49:09,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515132441] [2020-10-13 13:49:09,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 13:49:09,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:49:09,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 13:49:09,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-13 13:49:09,840 INFO L87 Difference]: Start difference. First operand 639 states and 852 transitions. Second operand 12 states. [2020-10-13 13:49:11,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:49:11,673 INFO L93 Difference]: Finished difference Result 1245 states and 1664 transitions. [2020-10-13 13:49:11,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 13:49:11,673 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 206 [2020-10-13 13:49:11,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:49:11,678 INFO L225 Difference]: With dead ends: 1245 [2020-10-13 13:49:11,678 INFO L226 Difference]: Without dead ends: 637 [2020-10-13 13:49:11,679 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2020-10-13 13:49:11,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2020-10-13 13:49:11,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 637. [2020-10-13 13:49:11,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 637 states. [2020-10-13 13:49:11,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 844 transitions. [2020-10-13 13:49:11,729 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 844 transitions. Word has length 206 [2020-10-13 13:49:11,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:49:11,729 INFO L479 AbstractCegarLoop]: Abstraction has 637 states and 844 transitions. [2020-10-13 13:49:11,730 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 13:49:11,730 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 844 transitions. [2020-10-13 13:49:11,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-10-13 13:49:11,735 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:49:11,735 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:49:11,735 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-13 13:49:11,735 INFO L427 AbstractCegarLoop]: === Iteration 22 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:49:11,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:49:11,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1454797924, now seen corresponding path program 2 times [2020-10-13 13:49:11,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:49:11,736 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1669194972] [2020-10-13 13:49:11,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:49:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:11,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:11,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:11,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:11,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:11,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:11,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:11,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:12,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:15,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:15,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:15,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:16,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:16,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-13 13:49:16,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-13 13:49:16,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 13:49:16,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:16,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:49:16,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-13 13:49:16,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:49:16,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:16,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:49:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:16,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:16,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:16,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:49:16,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:16,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:49:16,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:16,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:16,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:16,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:16,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:16,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:49:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:16,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:16,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:16,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:16,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:16,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:16,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:16,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:17,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:17,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:20,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:21,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:21,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 13:49:21,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 13:49:21,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-13 13:49:21,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:21,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:49:21,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-13 13:49:21,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:49:21,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:21,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:21,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:21,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:21,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:21,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 13:49:21,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:49:21,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 13:49:21,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:21,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:21,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:21,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:21,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:21,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:49:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:21,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:21,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:21,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:21,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:21,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:21,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:21,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:21,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:21,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:21,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:21,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-13 13:49:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:21,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:21,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:21,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:21,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:21,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:49:21,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:21,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:21,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:21,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:21,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:21,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 13:49:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:21,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:21,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:21,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:21,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:21,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 13:49:21,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:49:21,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 13:49:21,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:21,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:49:21,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:49:21,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 13:49:21,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:21,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 13:49:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:21,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:21,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:21,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:21,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:21,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:21,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 13:49:21,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 13:49:21,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 13:49:21,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:21,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:21,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 13:49:21,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:21,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:21,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-13 13:49:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:21,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:21,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:21,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:21,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:21,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:21,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 13:49:21,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 13:49:21,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 13:49:21,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:21,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:21,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 13:49:21,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:21,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:21,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 13:49:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:21,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:21,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:21,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:21,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:21,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:49:21,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:21,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:21,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:49:21,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:21,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:21,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 13:49:21,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:21,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:21,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:21,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:49:21,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:21,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:49:21,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:21,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:21,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 13:49:21,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:21,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:22,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:22,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:22,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:22,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:22,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:22,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:49:22,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:22,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:22,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:22,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:22,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:22,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-13 13:49:22,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:22,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:22,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:22,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:49:22,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:22,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:49:22,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:22,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:22,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 13:49:22,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:22,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:22,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:22,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:22,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:22,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:22,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:22,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:22,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:22,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:22,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:22,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:22,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:22,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 13:49:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:22,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:22,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:22,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 13:49:22,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:22,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:49:22,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:22,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:22,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 13:49:22,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:22,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:22,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:22,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:22,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:22,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:49:22,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:22,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:22,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:22,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:22,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:22,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:22,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:22,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-13 13:49:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:22,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:22,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:22,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 13:49:22,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:22,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:49:22,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:22,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:22,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 13:49:22,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:22,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:22,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:49:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:22,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:22,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:22,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:22,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:22,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:22,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:22,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:22,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:22,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:22,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:22,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-13 13:49:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:22,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:22,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:22,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:22,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-13 13:49:22,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:49:22,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 13:49:22,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:22,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:22,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-13 13:49:22,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:22,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:22,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:49:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:22,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:22,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:22,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:22,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:22,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:22,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:22,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:22,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:22,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:22,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:22,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 13:49:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:22,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:22,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:22,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:49:22,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:22,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:22,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:22,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:22,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:22,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:22,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:22,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 13:49:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:22,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:22,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:22,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:49:22,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:22,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:49:22,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:22,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:22,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:22,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:22,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:22,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 13:49:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:22,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:22,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:22,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:22,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:22,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:49:22,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:22,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:22,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:22,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:22,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:22,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 13:49:22,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:22,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:22,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:22,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:49:22,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:22,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:49:22,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:22,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:22,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:22,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:22,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:22,256 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 20 proven. 72 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2020-10-13 13:49:22,257 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1669194972] [2020-10-13 13:49:22,257 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:49:22,257 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 13:49:22,257 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279879614] [2020-10-13 13:49:22,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 13:49:22,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:49:22,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 13:49:22,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-10-13 13:49:22,258 INFO L87 Difference]: Start difference. First operand 637 states and 844 transitions. Second operand 12 states. [2020-10-13 13:49:23,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:49:23,985 INFO L93 Difference]: Finished difference Result 1268 states and 1689 transitions. [2020-10-13 13:49:23,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 13:49:23,989 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 208 [2020-10-13 13:49:23,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:49:23,992 INFO L225 Difference]: With dead ends: 1268 [2020-10-13 13:49:23,992 INFO L226 Difference]: Without dead ends: 658 [2020-10-13 13:49:23,994 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=125, Invalid=255, Unknown=0, NotChecked=0, Total=380 [2020-10-13 13:49:23,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2020-10-13 13:49:24,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 658. [2020-10-13 13:49:24,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 658 states. [2020-10-13 13:49:24,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 872 transitions. [2020-10-13 13:49:24,042 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 872 transitions. Word has length 208 [2020-10-13 13:49:24,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:49:24,042 INFO L479 AbstractCegarLoop]: Abstraction has 658 states and 872 transitions. [2020-10-13 13:49:24,043 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 13:49:24,043 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 872 transitions. [2020-10-13 13:49:24,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-10-13 13:49:24,046 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:49:24,046 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:49:24,046 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-13 13:49:24,046 INFO L427 AbstractCegarLoop]: === Iteration 23 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:49:24,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:49:24,047 INFO L82 PathProgramCache]: Analyzing trace with hash -91078700, now seen corresponding path program 3 times [2020-10-13 13:49:24,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:49:24,047 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1242017895] [2020-10-13 13:49:24,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:49:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:24,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:24,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:24,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:24,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:24,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:24,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:24,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:24,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:24,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:24,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:26,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:26,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:26,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:29,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:29,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 291 [2020-10-13 13:49:29,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-13 13:49:29,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-13 13:49:29,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:29,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:49:29,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-13 13:49:29,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:49:29,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:29,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:49:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:29,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:29,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:29,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:49:29,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:29,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:49:29,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:29,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:29,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:29,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:29,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:29,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:49:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:29,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:29,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:29,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:29,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:29,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:29,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:29,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:29,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:29,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:29,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:29,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-13 13:49:29,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 13:49:29,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 692 [2020-10-13 13:49:29,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:29,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:49:29,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-13 13:49:29,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:49:29,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:29,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:29,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:29,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:29,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 13:49:29,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:29,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:49:29,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:29,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:29,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:29,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:29,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:29,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:49:29,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:29,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:29,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:29,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:29,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:29,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:29,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:29,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:29,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:29,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:29,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:29,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-13 13:49:29,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:29,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:29,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:29,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:29,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:29,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:29,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:29,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:29,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:29,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:29,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:29,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 13:49:29,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:29,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:29,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:29,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:29,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:29,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:29,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:29,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:29,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:29,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:29,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:29,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 13:49:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:29,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:29,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:29,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:29,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:29,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 13:49:29,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:49:29,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 13:49:29,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:29,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:49:29,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:49:29,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:49:29,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:29,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-13 13:49:29,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:29,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:29,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:29,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:29,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:29,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:29,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 13:49:29,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 13:49:29,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 13:49:29,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:29,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:29,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 13:49:29,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:29,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:29,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 13:49:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:29,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:29,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:29,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:29,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:29,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:29,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 13:49:29,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 13:49:29,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:49:29,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:29,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:29,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 13:49:29,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:29,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:29,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-13 13:49:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:29,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:29,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:29,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:29,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:29,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:49:29,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:29,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:29,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:49:29,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:29,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:30,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-13 13:49:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:30,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:30,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:30,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:49:30,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:30,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:49:30,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:30,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:30,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 13:49:30,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:30,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:30,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:30,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:30,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:30,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:30,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:30,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:30,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:30,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:30,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:30,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:30,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:30,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-13 13:49:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:30,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:30,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:30,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:49:30,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:30,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:49:30,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:30,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:30,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 13:49:30,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:30,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:30,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:30,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:30,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:30,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:30,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:30,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:30,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:30,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:30,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:30,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:30,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:30,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-13 13:49:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:30,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:30,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:30,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 13:49:30,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:30,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:49:30,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:30,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:30,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 13:49:30,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:30,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:30,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:30,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:30,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:30,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:49:30,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:30,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:49:30,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:30,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:30,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:30,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:30,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:30,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-13 13:49:30,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:30,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:30,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:30,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 13:49:30,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:30,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:49:30,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:30,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:30,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 13:49:30,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:30,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:30,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:49:30,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:30,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:30,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:30,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:30,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:30,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:30,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:30,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:30,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:30,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:30,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:30,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 13:49:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:30,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:30,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:30,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:30,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-13 13:49:30,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:49:30,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 13:49:30,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:30,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:30,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-13 13:49:30,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:30,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:30,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:49:30,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:30,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:30,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:30,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:30,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:30,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:30,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:30,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:30,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:30,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:30,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:30,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 13:49:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:30,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:30,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:30,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:49:30,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:30,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:30,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:30,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:30,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:30,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:30,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:30,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 13:49:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:30,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:30,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:30,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:49:30,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:30,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:30,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:30,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:30,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:30,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:30,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:30,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 13:49:30,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:30,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:30,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:30,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:30,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:30,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:30,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:30,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:30,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:30,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:30,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:30,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 13:49:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:30,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:30,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:30,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:49:30,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:30,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:30,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:30,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:30,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:30,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:30,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:30,302 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 37 proven. 135 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2020-10-13 13:49:30,302 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1242017895] [2020-10-13 13:49:30,303 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:49:30,303 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 13:49:30,303 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083062696] [2020-10-13 13:49:30,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 13:49:30,304 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:49:30,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 13:49:30,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-13 13:49:30,305 INFO L87 Difference]: Start difference. First operand 658 states and 872 transitions. Second operand 11 states. [2020-10-13 13:49:32,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:49:32,019 INFO L93 Difference]: Finished difference Result 1303 states and 1731 transitions. [2020-10-13 13:49:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 13:49:32,020 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 237 [2020-10-13 13:49:32,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:49:32,024 INFO L225 Difference]: With dead ends: 1303 [2020-10-13 13:49:32,025 INFO L226 Difference]: Without dead ends: 684 [2020-10-13 13:49:32,026 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2020-10-13 13:49:32,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2020-10-13 13:49:32,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 684. [2020-10-13 13:49:32,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 684 states. [2020-10-13 13:49:32,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 904 transitions. [2020-10-13 13:49:32,075 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 904 transitions. Word has length 237 [2020-10-13 13:49:32,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:49:32,076 INFO L479 AbstractCegarLoop]: Abstraction has 684 states and 904 transitions. [2020-10-13 13:49:32,076 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 13:49:32,076 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 904 transitions. [2020-10-13 13:49:32,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-10-13 13:49:32,079 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:49:32,079 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 9, 8, 8, 6, 6, 6, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:49:32,079 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-13 13:49:32,079 INFO L427 AbstractCegarLoop]: === Iteration 24 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:49:32,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:49:32,080 INFO L82 PathProgramCache]: Analyzing trace with hash -39861798, now seen corresponding path program 1 times [2020-10-13 13:49:32,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:49:32,080 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [825915278] [2020-10-13 13:49:32,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:49:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:32,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:32,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:32,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:32,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:32,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:32,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:32,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:32,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:33,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:33,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:37,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 318 [2020-10-13 13:49:37,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 13:49:37,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 13:49:37,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:37,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:49:37,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-13 13:49:37,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:49:37,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:37,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:49:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:37,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:37,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:49:37,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:37,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:49:37,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:37,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:37,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:37,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:37,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:37,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:49:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:37,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:37,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-13 13:49:37,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:49:37,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 335 [2020-10-13 13:49:37,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:37,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:49:37,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-13 13:49:37,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:49:37,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:37,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:37,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:37,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 13:49:37,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:37,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:49:37,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:37,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:37,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:37,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:37,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:37,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:49:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:37,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:37,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:37,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:37,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:37,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:37,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:37,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:37,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:37,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:37,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-13 13:49:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:37,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:37,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:37,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:37,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:37,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:37,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:37,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:37,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:37,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:37,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 13:49:37,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:37,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:37,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:37,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:37,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:37,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:37,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:37,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:37,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:37,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:37,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 13:49:37,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:37,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:37,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-13 13:49:37,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:37,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:49:37,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:37,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:37,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:37,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:37,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:37,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 13:49:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:37,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:37,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:49:37,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:37,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:37,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:37,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:37,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:37,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:37,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:37,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-13 13:49:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:37,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:37,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:49:37,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:37,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:37,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:37,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:37,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:37,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:37,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:37,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 13:49:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:37,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:37,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:49:37,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:37,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:37,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:37,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:37,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:37,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:37,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:37,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 13:49:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:37,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:37,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 13:49:37,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:49:37,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 13:49:37,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:37,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:49:37,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:49:37,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:49:37,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:37,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-13 13:49:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:37,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:37,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 13:49:37,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 13:49:37,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 13:49:37,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:37,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:37,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 13:49:37,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:37,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:37,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-13 13:49:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:37,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:37,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:37,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:37,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:49:37,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:37,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:37,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:49:37,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:37,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:37,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-13 13:49:37,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:37,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:37,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:49:37,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:37,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:49:37,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:37,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:37,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 13:49:37,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:37,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:37,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:37,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:37,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:37,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:37,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:37,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:49:37,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:37,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:37,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:37,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:37,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:37,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-13 13:49:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:37,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:37,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:49:37,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:37,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:49:37,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:37,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:37,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 13:49:37,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:37,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:37,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:37,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:37,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:37,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:37,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:37,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:37,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:37,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:37,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:37,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:37,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:37,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-10-13 13:49:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:37,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:37,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 13:49:37,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:37,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:49:37,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:37,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:37,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 13:49:37,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:37,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:37,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:37,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:37,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:49:37,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:37,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:37,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:37,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:37,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:37,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:37,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:37,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-13 13:49:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:37,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:37,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 13:49:37,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:37,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:49:37,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:37,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:37,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 13:49:37,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:37,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:37,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:49:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:37,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:37,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:37,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:37,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:37,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:37,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:37,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:37,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:37,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:37,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-13 13:49:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:37,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:37,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-13 13:49:37,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:49:37,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 13:49:37,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:37,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:37,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-13 13:49:37,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:37,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:37,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:49:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:37,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:37,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:37,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:37,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:49:37,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:37,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:37,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:37,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:37,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:37,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 13:49:37,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:37,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:37,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:49:37,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:37,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:37,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:37,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:37,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:37,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:37,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:37,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 13:49:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:37,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:37,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:49:37,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:37,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:37,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:37,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:37,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:37,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:37,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:37,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 13:49:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:37,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:37,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:37,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:37,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:37,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:37,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:37,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:37,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:37,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:37,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 13:49:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:37,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:37,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:37,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:49:37,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:37,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:37,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:37,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:37,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:37,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:37,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:38,018 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 83 proven. 73 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2020-10-13 13:49:38,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [825915278] [2020-10-13 13:49:38,019 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:49:38,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 13:49:38,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671393551] [2020-10-13 13:49:38,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 13:49:38,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:49:38,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 13:49:38,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-13 13:49:38,020 INFO L87 Difference]: Start difference. First operand 684 states and 904 transitions. Second operand 11 states. [2020-10-13 13:49:38,556 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-13 13:49:39,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:49:39,962 INFO L93 Difference]: Finished difference Result 1329 states and 1765 transitions. [2020-10-13 13:49:39,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 13:49:39,963 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 258 [2020-10-13 13:49:39,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:49:39,968 INFO L225 Difference]: With dead ends: 1329 [2020-10-13 13:49:39,968 INFO L226 Difference]: Without dead ends: 713 [2020-10-13 13:49:39,970 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2020-10-13 13:49:39,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2020-10-13 13:49:40,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 713. [2020-10-13 13:49:40,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 713 states. [2020-10-13 13:49:40,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 942 transitions. [2020-10-13 13:49:40,022 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 942 transitions. Word has length 258 [2020-10-13 13:49:40,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:49:40,023 INFO L479 AbstractCegarLoop]: Abstraction has 713 states and 942 transitions. [2020-10-13 13:49:40,023 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 13:49:40,023 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 942 transitions. [2020-10-13 13:49:40,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2020-10-13 13:49:40,026 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:49:40,026 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 9, 6, 6, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:49:40,027 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-13 13:49:40,027 INFO L427 AbstractCegarLoop]: === Iteration 25 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:49:40,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:49:40,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1835048131, now seen corresponding path program 1 times [2020-10-13 13:49:40,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:49:40,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1305907154] [2020-10-13 13:49:40,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:49:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:40,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:40,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:40,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:40,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:40,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:40,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:40,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:45,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 351 [2020-10-13 13:49:45,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 13:49:45,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-13 13:49:45,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:45,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:49:45,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 182 [2020-10-13 13:49:45,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:49:45,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:45,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:49:45,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:45,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:45,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:49:45,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:45,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:49:45,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:45,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:45,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:45,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:45,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:45,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:49:45,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:45,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:45,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-13 13:49:45,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:49:45,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-13 13:49:45,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:45,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:49:45,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 169 [2020-10-13 13:49:45,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:49:45,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:45,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:45,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:45,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 13:49:45,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:45,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:49:45,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:45,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:45,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:45,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:45,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:45,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:49:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:45,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:45,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:45,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:45,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:45,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:45,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:45,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:45,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:45,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:45,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-13 13:49:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:45,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:45,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:45,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:45,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:45,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:45,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:45,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:45,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:45,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:45,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 13:49:45,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:45,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:45,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:45,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:45,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:45,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:45,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:45,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:45,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:45,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:45,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 13:49:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:45,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:45,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-13 13:49:45,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:45,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:49:45,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:45,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:45,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:45,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:45,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:45,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 13:49:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:45,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:45,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:49:45,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:45,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:45,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:45,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:45,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:45,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:45,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:45,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-13 13:49:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:45,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:45,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:49:45,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:45,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:45,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:45,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:45,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:45,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:45,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:45,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 13:49:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:45,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:45,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:49:45,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:45,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:45,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:45,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:45,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:45,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:45,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:45,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 13:49:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:45,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:45,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 13:49:45,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:45,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:49:45,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:45,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:45,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:45,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:45,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:45,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:49:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:45,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:45,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 13:49:45,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:45,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:45,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:45,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:45,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:45,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:45,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:45,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 13:49:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:45,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:45,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 13:49:45,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:45,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:45,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:45,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:45,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:45,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:45,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:45,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-13 13:49:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:45,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:45,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 13:49:45,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:45,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:45,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:45,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:45,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:45,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:45,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:45,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-13 13:49:45,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:45,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:45,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 13:49:45,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:49:45,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 13:49:45,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:45,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:49:45,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:49:45,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:49:45,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:45,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-13 13:49:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:45,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:45,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:45,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:45,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:45,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:45,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:45,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:49:45,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:45,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:45,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-13 13:49:45,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:45,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:45,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:49:45,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:45,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:49:45,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:45,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:45,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 13:49:45,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:45,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:45,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:45,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:45,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:45,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:45,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:49:45,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:45,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:45,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:45,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:45,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:45,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-13 13:49:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:45,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:45,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:49:45,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:45,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:49:45,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:45,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:45,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 13:49:45,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:45,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:45,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:45,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:45,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:45,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:45,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:45,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:45,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:45,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:45,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:45,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:45,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-13 13:49:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:45,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:45,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 13:49:45,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:45,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:49:45,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:45,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:45,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 13:49:45,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:45,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:45,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:45,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:45,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:49:45,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:45,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:49:45,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:45,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:45,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:45,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:45,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:45,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-10-13 13:49:45,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:45,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:45,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 13:49:45,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:45,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:49:45,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:45,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:45,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 13:49:45,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:45,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:45,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:49:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:45,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:45,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:45,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:45,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:49:45,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:45,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:45,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:45,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:45,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:49:45,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2020-10-13 13:49:45,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:45,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:45,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-13 13:49:45,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:49:45,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-13 13:49:45,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:45,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:45,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-13 13:49:45,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:45,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:45,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:49:45,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:45,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:45,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:45,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:45,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:49:45,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:45,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:45,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:45,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:45,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:45,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 13:49:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:45,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:45,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:49:45,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:45,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:45,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:45,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:45,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:45,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:45,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:45,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 13:49:45,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:45,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:45,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:49:45,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:45,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:45,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:45,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:45,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:45,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:45,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:45,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 13:49:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:45,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:45,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:45,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:45,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:45,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:45,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:45,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:45,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:45,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:45,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 13:49:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:45,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:45,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:45,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:49:45,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:45,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:45,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:45,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:45,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:45,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:45,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:45,984 INFO L134 CoverageAnalysis]: Checked inductivity of 634 backedges. 138 proven. 5 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2020-10-13 13:49:45,984 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1305907154] [2020-10-13 13:49:45,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:49:45,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 13:49:45,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395900671] [2020-10-13 13:49:45,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 13:49:45,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:49:45,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 13:49:45,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-13 13:49:45,987 INFO L87 Difference]: Start difference. First operand 713 states and 942 transitions. Second operand 11 states. [2020-10-13 13:49:47,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:49:47,665 INFO L93 Difference]: Finished difference Result 1333 states and 1772 transitions. [2020-10-13 13:49:47,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 13:49:47,666 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 285 [2020-10-13 13:49:47,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:49:47,670 INFO L225 Difference]: With dead ends: 1333 [2020-10-13 13:49:47,670 INFO L226 Difference]: Without dead ends: 695 [2020-10-13 13:49:47,672 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2020-10-13 13:49:47,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2020-10-13 13:49:47,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 695. [2020-10-13 13:49:47,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 695 states. [2020-10-13 13:49:47,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 900 transitions. [2020-10-13 13:49:47,720 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 900 transitions. Word has length 285 [2020-10-13 13:49:47,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:49:47,720 INFO L479 AbstractCegarLoop]: Abstraction has 695 states and 900 transitions. [2020-10-13 13:49:47,720 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 13:49:47,720 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 900 transitions. [2020-10-13 13:49:47,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2020-10-13 13:49:47,723 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:49:47,724 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 9, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:49:47,724 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-13 13:49:47,724 INFO L427 AbstractCegarLoop]: === Iteration 26 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:49:47,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:49:47,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1403261776, now seen corresponding path program 1 times [2020-10-13 13:49:47,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:49:47,725 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [916676838] [2020-10-13 13:49:47,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:49:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:47,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:47,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:48,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:48,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:52,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:52,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 381 [2020-10-13 13:49:52,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 13:49:52,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 13:49:52,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:52,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:49:52,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 262 [2020-10-13 13:49:52,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-13 13:49:52,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:52,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:49:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:52,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:52,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:52,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:49:52,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:52,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:49:52,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:52,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:52,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:52,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:52,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:52,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:49:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:52,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:52,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:52,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-13 13:49:52,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:52,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 13:49:52,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:52,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:52,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:52,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:52,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:52,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:52,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:52,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:52,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 13:49:52,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:52,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:49:52,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:52,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:52,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:52,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:52,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:52,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:49:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:52,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:52,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:52,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:52,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:52,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:49:52,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:52,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:52,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:52,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:52,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:52,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-13 13:49:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:52,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:52,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:52,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:52,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:52,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:52,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:52,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:52,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:52,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:52,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:52,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 13:49:52,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:52,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:52,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:52,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:52,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:52,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:52,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:52,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:52,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:52,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:52,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:52,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 13:49:52,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:52,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:52,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:52,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-13 13:49:52,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:52,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:49:52,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:52,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:52,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:52,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:52,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:52,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 13:49:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:52,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:52,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:52,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:49:52,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:52,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:52,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:52,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:52,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:52,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:52,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:52,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-13 13:49:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:52,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:52,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:52,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:49:52,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:52,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:49:52,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:52,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:52,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:52,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:52,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:52,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 13:49:52,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:52,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:52,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:52,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:49:52,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:52,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:49:52,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:52,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:52,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:52,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:52,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:52,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 13:49:52,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:52,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:52,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:52,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 13:49:52,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:52,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:49:52,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:52,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:52,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:52,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:52,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:52,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:49:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:52,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:52,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:52,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 13:49:52,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:52,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:52,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:52,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:52,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:52,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:52,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:52,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 13:49:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:52,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:52,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:52,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 13:49:52,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:52,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:49:52,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:52,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:52,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:52,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:52,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:52,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-13 13:49:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:52,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:52,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:52,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 13:49:52,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:52,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:52,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:52,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:52,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:52,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:52,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:52,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-13 13:49:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:52,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:53,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:53,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 13:49:53,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:53,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:49:53,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:53,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:53,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:53,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:53,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:53,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:49:53,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:53,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:53,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:53,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:53,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:53,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:49:53,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:53,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:53,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:53,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:53,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:53,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 13:49:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:53,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:53,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:53,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:53,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:53,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:49:53,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:53,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:53,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:53,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:53,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:53,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 13:49:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:53,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:53,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:53,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:53,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:53,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:49:53,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:53,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:53,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:53,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:53,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:53,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-13 13:49:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:53,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:53,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:53,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:53,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:53,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:49:53,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:53,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:53,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:53,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:53,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:53,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-13 13:49:53,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:53,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:53,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:53,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:49:53,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:53,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 13:49:53,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:53,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:49:53,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:53,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 13:49:53,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:53,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:53,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:53,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:53,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:53,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:53,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:49:53,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:53,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:53,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:53,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:53,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:53,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-13 13:49:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:53,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:53,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:53,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:49:53,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:53,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:49:53,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:53,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:49:53,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:53,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 13:49:53,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:53,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:53,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:53,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:53,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:53,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:53,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:53,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 13:49:53,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:53,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:53,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:53,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:53,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:53,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-13 13:49:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:53,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:53,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:53,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 13:49:53,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:53,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 13:49:53,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:53,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:49:53,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:53,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 13:49:53,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:53,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:53,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:53,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:53,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:49:53,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:53,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:49:53,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:53,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:53,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:53,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:53,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:53,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-13 13:49:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:53,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:53,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:53,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 13:49:53,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:53,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 13:49:53,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:53,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:49:53,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:53,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:49:53,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:53,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:49:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:53,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:53,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:53,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:53,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:53,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:53,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:53,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:53,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:53,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:53,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:53,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-10-13 13:49:53,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:53,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:53,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:53,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:53,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-13 13:49:53,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:49:53,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-13 13:49:53,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:53,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:49:53,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 13:49:53,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 13:49:53,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:53,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:49:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:53,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:53,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:53,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:53,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:53,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:53,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:53,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:53,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:53,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:53,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:53,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 13:49:53,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:53,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:53,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:53,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:49:53,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:53,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:49:53,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:53,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:49:53,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:53,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:49:53,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:53,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 13:49:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:53,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:53,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:53,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:49:53,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:53,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:49:53,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:53,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:49:53,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:53,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:49:53,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:53,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 13:49:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:53,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:53,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:53,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:53,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:53,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:49:53,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:53,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:49:53,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:53,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:49:53,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:53,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 13:49:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:53,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:53,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:53,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:49:53,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:53,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 13:49:53,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:53,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:49:53,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:53,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:49:53,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:53,657 INFO L134 CoverageAnalysis]: Checked inductivity of 688 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2020-10-13 13:49:53,657 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [916676838] [2020-10-13 13:49:53,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:49:53,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-13 13:49:53,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491234117] [2020-10-13 13:49:53,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-13 13:49:53,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:49:53,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-13 13:49:53,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2020-10-13 13:49:53,659 INFO L87 Difference]: Start difference. First operand 695 states and 900 transitions. Second operand 16 states. [2020-10-13 13:50:02,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:50:02,142 INFO L93 Difference]: Finished difference Result 2908 states and 4027 transitions. [2020-10-13 13:50:02,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-13 13:50:02,147 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 309 [2020-10-13 13:50:02,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:50:02,160 INFO L225 Difference]: With dead ends: 2908 [2020-10-13 13:50:02,160 INFO L226 Difference]: Without dead ends: 2345 [2020-10-13 13:50:02,164 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 532 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=607, Invalid=1745, Unknown=0, NotChecked=0, Total=2352 [2020-10-13 13:50:02,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2345 states. [2020-10-13 13:50:02,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2345 to 1549. [2020-10-13 13:50:02,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1549 states. [2020-10-13 13:50:02,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1549 states to 1549 states and 2045 transitions. [2020-10-13 13:50:02,390 INFO L78 Accepts]: Start accepts. Automaton has 1549 states and 2045 transitions. Word has length 309 [2020-10-13 13:50:02,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:50:02,394 INFO L479 AbstractCegarLoop]: Abstraction has 1549 states and 2045 transitions. [2020-10-13 13:50:02,394 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-13 13:50:02,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1549 states and 2045 transitions. [2020-10-13 13:50:02,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2020-10-13 13:50:02,402 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:50:02,402 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 9, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:50:02,402 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-13 13:50:02,403 INFO L427 AbstractCegarLoop]: === Iteration 27 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:50:02,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:50:02,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1472086580, now seen corresponding path program 1 times [2020-10-13 13:50:02,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:50:02,405 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1734579926] [2020-10-13 13:50:02,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:50:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:02,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:02,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:02,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:02,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:07,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:07,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 382 [2020-10-13 13:50:07,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 13:50:07,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-13 13:50:07,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:07,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:50:07,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 279 [2020-10-13 13:50:07,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-13 13:50:07,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:07,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:50:07,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:07,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:07,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:07,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:50:07,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:07,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:50:07,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:07,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:07,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:07,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:07,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:07,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:50:07,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:07,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:07,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:07,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-13 13:50:07,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:07,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 13:50:07,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:07,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:07,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:07,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:07,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:07,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:50:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:07,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:07,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:07,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 13:50:07,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:07,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:50:07,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:07,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:07,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:07,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:07,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:07,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:50:07,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:07,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:07,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:07,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:50:07,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:07,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:50:07,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:07,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:07,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:07,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:07,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:07,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-13 13:50:07,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:07,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:07,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:07,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:50:07,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:07,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:07,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:07,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:07,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:07,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:07,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:07,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 13:50:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:07,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:07,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:07,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:50:07,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:07,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:50:07,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:07,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:07,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:07,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:07,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:07,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 13:50:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:07,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:07,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:07,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-13 13:50:07,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:07,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:50:07,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:07,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:07,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:07,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:07,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:07,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 13:50:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:07,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:07,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:07,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:50:07,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:07,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:07,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:07,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:07,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:07,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:07,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:07,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-13 13:50:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:07,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:07,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:07,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:50:07,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:07,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:50:07,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:07,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:07,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:07,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:07,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:07,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 13:50:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:07,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:07,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:07,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:50:07,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:07,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:50:07,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:07,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:07,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:07,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:07,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:07,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 13:50:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:07,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:07,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:07,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 13:50:07,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:07,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:50:07,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:07,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:07,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:07,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:07,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:07,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:50:07,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:07,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:07,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:07,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 13:50:07,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:07,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:07,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:07,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:07,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:07,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:07,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:07,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 13:50:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:07,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:07,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:07,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 13:50:07,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:07,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:07,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:07,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:07,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:07,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:07,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:07,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-13 13:50:07,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:07,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:07,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:07,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 13:50:07,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:07,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:07,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:07,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:07,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:07,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:07,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:07,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-13 13:50:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:07,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:07,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:07,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 13:50:07,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:07,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:50:07,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:07,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:07,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:07,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:07,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:07,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:50:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:07,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:07,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:07,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:50:07,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:07,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:07,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:07,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:07,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:07,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:07,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:07,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 13:50:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:07,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:07,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:07,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:50:07,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:07,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:50:07,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:07,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:07,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:07,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:07,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:07,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 13:50:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:07,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:07,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:07,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:50:07,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:07,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:07,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:07,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:07,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:07,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:07,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:07,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-13 13:50:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:07,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:07,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:07,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:50:07,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:07,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:50:07,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:07,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:07,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:07,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:07,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:07,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-13 13:50:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:07,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:07,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:07,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:50:07,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:07,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:50:07,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:07,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:07,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:07,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:07,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:07,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:50:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:07,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:07,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:07,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:50:07,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:07,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:50:07,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:07,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:07,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:07,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:07,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:07,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-13 13:50:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:07,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:07,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:07,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:50:07,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:07,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 13:50:07,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:07,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:50:07,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:07,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 13:50:07,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:07,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:50:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:07,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:07,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:07,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:50:07,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:07,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:07,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:07,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:07,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:07,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:07,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:07,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-13 13:50:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:07,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:07,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:07,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 13:50:07,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:07,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:50:07,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:07,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:50:07,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:07,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 13:50:07,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:07,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:50:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:07,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:07,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:07,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:50:07,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:07,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:07,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:07,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:07,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:07,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:07,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:07,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-13 13:50:07,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:07,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:07,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:07,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 13:50:07,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:07,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:50:07,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:07,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:50:07,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:07,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:50:07,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:07,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:50:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:07,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:07,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:07,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:50:07,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:07,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:07,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:07,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:07,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:07,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:07,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:07,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-10-13 13:50:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:07,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:07,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:07,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:07,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-13 13:50:07,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:50:07,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 13:50:07,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:07,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:50:07,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-10-13 13:50:07,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:50:07,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:07,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:50:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:07,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:07,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:07,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:50:07,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:07,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:07,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:07,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:07,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:07,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:07,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:07,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 13:50:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:07,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:07,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:07,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:50:07,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:07,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:07,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:07,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:08,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:08,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:08,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:08,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-13 13:50:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:08,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:08,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:08,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:50:08,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:08,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:08,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:08,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:08,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:08,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:08,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:08,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 13:50:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:08,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:08,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:08,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:50:08,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:08,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:50:08,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:08,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:08,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:08,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:08,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:08,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 13:50:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:08,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:08,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:08,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:50:08,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:08,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:50:08,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:08,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:50:08,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:50:08,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:50:08,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:08,118 INFO L134 CoverageAnalysis]: Checked inductivity of 688 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 653 trivial. 0 not checked. [2020-10-13 13:50:08,119 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1734579926] [2020-10-13 13:50:08,119 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:50:08,119 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 13:50:08,119 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432016890] [2020-10-13 13:50:08,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 13:50:08,120 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:50:08,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 13:50:08,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-13 13:50:08,120 INFO L87 Difference]: Start difference. First operand 1549 states and 2045 transitions. Second operand 12 states. [2020-10-13 13:50:10,230 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-13 13:50:10,373 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-13 13:50:12,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:50:12,093 INFO L93 Difference]: Finished difference Result 4302 states and 5797 transitions. [2020-10-13 13:50:12,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 13:50:12,094 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 310 [2020-10-13 13:50:12,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:50:12,108 INFO L225 Difference]: With dead ends: 4302 [2020-10-13 13:50:12,109 INFO L226 Difference]: Without dead ends: 2753 [2020-10-13 13:50:12,115 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=233, Invalid=523, Unknown=0, NotChecked=0, Total=756 [2020-10-13 13:50:12,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2753 states. [2020-10-13 13:50:12,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2753 to 2739. [2020-10-13 13:50:12,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2739 states. [2020-10-13 13:50:12,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2739 states and 3579 transitions. [2020-10-13 13:50:12,292 INFO L78 Accepts]: Start accepts. Automaton has 2739 states and 3579 transitions. Word has length 310 [2020-10-13 13:50:12,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:50:12,293 INFO L479 AbstractCegarLoop]: Abstraction has 2739 states and 3579 transitions. [2020-10-13 13:50:12,293 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 13:50:12,294 INFO L276 IsEmpty]: Start isEmpty. Operand 2739 states and 3579 transitions. [2020-10-13 13:50:12,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2020-10-13 13:50:12,304 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:50:12,304 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 9, 7, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-13 13:50:12,305 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-13 13:50:12,305 INFO L427 AbstractCegarLoop]: === Iteration 28 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:50:12,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:50:12,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1462970322, now seen corresponding path program 1 times [2020-10-13 13:50:12,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:50:12,306 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [477755775] [2020-10-13 13:50:12,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:50:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:12,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:12,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:12,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:12,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 403 [2020-10-13 13:50:17,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 13:50:17,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 13:50:17,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:50:17,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 279 [2020-10-13 13:50:17,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-13 13:50:17,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:17,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:50:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:17,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:50:17,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:17,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:50:17,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:17,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:17,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:17,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:17,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:50:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:17,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-13 13:50:17,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:17,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 13:50:17,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:17,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:17,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:17,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:17,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:50:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:17,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 13:50:17,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:17,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:50:17,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:17,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:17,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:17,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:17,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:50:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:17,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:50:17,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:17,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:50:17,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:17,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:17,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:17,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:17,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-13 13:50:17,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:17,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:50:17,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:17,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:50:17,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:17,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:17,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:17,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:17,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 13:50:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:17,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:50:17,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:17,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:50:17,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:17,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:17,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:17,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:17,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 13:50:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:17,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-13 13:50:17,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:17,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:50:17,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:17,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:17,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:17,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:17,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 13:50:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:17,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:50:17,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:17,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:17,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:17,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:17,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:17,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:17,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-13 13:50:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:17,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:50:17,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:17,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:50:17,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:17,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:17,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:17,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:17,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 13:50:17,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:17,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:50:17,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:17,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:50:17,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:17,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:17,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:17,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:17,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 13:50:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:17,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 13:50:17,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:17,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:50:17,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:17,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:17,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:17,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:17,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:50:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:17,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 13:50:17,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:17,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:17,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:17,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:17,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:17,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:17,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 13:50:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:17,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 13:50:17,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:17,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:17,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:17,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:17,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:17,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:17,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-13 13:50:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:17,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 13:50:17,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:17,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:17,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:17,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:17,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:17,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:17,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-13 13:50:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:17,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 13:50:17,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:17,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:50:17,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:17,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:17,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:17,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:17,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:50:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:17,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:50:17,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:17,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:17,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:17,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:17,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:17,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:17,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 13:50:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:17,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:50:17,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:17,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:50:17,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:17,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:17,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:17,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:17,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 13:50:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:17,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:50:17,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:17,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:17,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:17,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:17,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:17,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:17,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-13 13:50:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:17,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:50:17,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:17,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:50:17,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:17,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:17,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:17,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:17,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-13 13:50:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:17,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:50:17,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:17,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:50:17,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:17,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:17,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:17,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:17,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:50:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:17,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:50:17,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:17,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:50:17,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:17,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:17,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:17,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:17,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-13 13:50:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:17,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:50:17,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:17,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 13:50:17,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:50:17,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:17,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 13:50:17,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:17,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:50:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:17,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:50:17,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:17,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:50:17,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:17,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:17,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:17,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:17,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 13:50:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:17,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:50:17,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:17,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:50:17,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:50:17,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:17,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:50:17,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:17,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-10-13 13:50:17,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:17,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 13:50:17,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:17,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 13:50:17,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:50:17,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:17,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 13:50:17,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:17,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:50:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:17,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:50:17,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:17,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:50:17,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:17,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:17,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:17,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:17,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-13 13:50:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:17,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 13:50:17,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:17,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:50:17,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:50:17,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:17,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:50:17,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:17,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:50:17,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:17,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:50:17,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:17,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:17,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:17,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:17,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:17,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:17,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2020-10-13 13:50:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:17,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 13:50:17,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:50:17,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-13 13:50:17,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:50:17,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 13:50:17,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:50:17,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:17,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 13:50:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:17,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:50:17,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:17,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:50:17,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:50:17,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:50:17,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:50:17,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:17,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 13:50:17,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:17,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:50:17,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:17,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:50:17,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:17,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 13:50:17,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:17,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:17,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 13:50:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:17,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 13:50:17,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:17,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:17,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:17,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-13 13:50:17,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:17,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:17,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 13:50:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:17,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:50:17,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:17,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:17,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:17,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 13:50:17,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:17,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:17,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:50:17,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:17,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:50:17,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:17,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:17,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:17,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 13:50:17,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:17,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:17,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 13:50:17,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:17,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:17,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:17,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:50:17,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:17,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:17,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:17,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:17,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 13:50:17,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:17,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:18,146 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 743 trivial. 0 not checked. [2020-10-13 13:50:18,147 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [477755775] [2020-10-13 13:50:18,147 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:50:18,147 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-13 13:50:18,147 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231482646] [2020-10-13 13:50:18,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 13:50:18,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:50:18,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 13:50:18,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-10-13 13:50:18,150 INFO L87 Difference]: Start difference. First operand 2739 states and 3579 transitions. Second operand 13 states. [2020-10-13 13:50:22,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:50:22,107 INFO L93 Difference]: Finished difference Result 5382 states and 7076 transitions. [2020-10-13 13:50:22,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 13:50:22,108 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 327 [2020-10-13 13:50:22,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:50:22,123 INFO L225 Difference]: With dead ends: 5382 [2020-10-13 13:50:22,123 INFO L226 Difference]: Without dead ends: 2784 [2020-10-13 13:50:22,132 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=233, Invalid=579, Unknown=0, NotChecked=0, Total=812 [2020-10-13 13:50:22,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2784 states. [2020-10-13 13:50:22,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2784 to 2770. [2020-10-13 13:50:22,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2770 states. [2020-10-13 13:50:22,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 2770 states and 3587 transitions. [2020-10-13 13:50:22,323 INFO L78 Accepts]: Start accepts. Automaton has 2770 states and 3587 transitions. Word has length 327 [2020-10-13 13:50:22,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:50:22,324 INFO L479 AbstractCegarLoop]: Abstraction has 2770 states and 3587 transitions. [2020-10-13 13:50:22,324 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 13:50:22,324 INFO L276 IsEmpty]: Start isEmpty. Operand 2770 states and 3587 transitions. [2020-10-13 13:50:22,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2020-10-13 13:50:22,333 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:50:22,334 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 9, 7, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-13 13:50:22,334 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-13 13:50:22,334 INFO L427 AbstractCegarLoop]: === Iteration 29 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:50:22,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:50:22,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1025676995, now seen corresponding path program 1 times [2020-10-13 13:50:22,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:50:22,335 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [763156334] [2020-10-13 13:50:22,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:50:22,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:22,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:22,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:22,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:22,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:22,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:27,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:27,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 403 [2020-10-13 13:50:27,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 13:50:27,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 13:50:27,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:27,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:50:27,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 305 [2020-10-13 13:50:27,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 13:50:27,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:27,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:50:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:27,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:27,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:27,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:50:27,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:27,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:50:27,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:27,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:27,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:27,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:27,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:27,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:50:27,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:27,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:27,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:27,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-13 13:50:27,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:27,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 13:50:27,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:27,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:27,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:27,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:27,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:27,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:50:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:27,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:27,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:27,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 13:50:27,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:27,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:50:27,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:27,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:27,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:27,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:27,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:27,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:50:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:27,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:27,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:27,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:50:27,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:27,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:27,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:27,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:27,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:27,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:27,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:27,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-13 13:50:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:27,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:27,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:27,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:50:27,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:27,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:50:27,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:27,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:27,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:27,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:27,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:27,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 13:50:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:27,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:27,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:27,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:50:27,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:27,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:50:27,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:27,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:27,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:27,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:27,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:27,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 13:50:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:27,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:27,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:27,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-13 13:50:27,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:27,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:50:27,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:27,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:27,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:27,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:27,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:27,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 13:50:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:27,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:27,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:27,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:50:27,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:27,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:27,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:27,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:27,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:27,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:27,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:27,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-13 13:50:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:27,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:27,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:27,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:50:27,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:27,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:50:27,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:27,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:27,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:27,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:27,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:27,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 13:50:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:27,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:27,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:27,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:50:27,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:27,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:50:27,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:27,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:27,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:27,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:27,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:27,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 13:50:27,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:27,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:27,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:27,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 13:50:27,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:27,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:50:27,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:27,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:27,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:27,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:27,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:27,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:50:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:27,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:27,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:27,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 13:50:27,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:27,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:27,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:27,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:27,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:27,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:27,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:27,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 13:50:27,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:27,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:27,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:27,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 13:50:27,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:27,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:27,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:27,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:27,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:27,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:27,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:27,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-13 13:50:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:27,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:27,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:27,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 13:50:27,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:27,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:27,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:27,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:27,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:27,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:27,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:27,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-13 13:50:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:27,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:27,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:27,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 13:50:27,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:27,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:50:27,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:27,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:27,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:27,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:27,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:27,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:50:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:27,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:27,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:27,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:50:27,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:27,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:27,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:27,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:27,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:27,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:27,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:27,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 13:50:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:27,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:27,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:27,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:50:27,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:27,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:27,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:27,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:27,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:27,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:27,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:27,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 13:50:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:27,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:27,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:27,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:50:27,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:27,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:50:27,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:27,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:27,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:27,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:27,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:27,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-13 13:50:27,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:27,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:27,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:27,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:50:27,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:27,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:50:27,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:27,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:27,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:27,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:27,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:27,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-13 13:50:27,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:27,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:27,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:27,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 13:50:27,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:27,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:50:27,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:27,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:27,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:27,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:27,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:27,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:50:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:27,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:27,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:27,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:50:27,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:27,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:27,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:27,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:27,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:27,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:27,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:27,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 13:50:27,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:27,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:27,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:27,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:50:27,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:27,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:27,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:27,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:27,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:27,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:27,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:27,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-13 13:50:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:27,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:27,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:27,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:50:27,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:27,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:50:27,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:27,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:27,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:27,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:27,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:27,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:50:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:27,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:27,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:27,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:50:27,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:27,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:27,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:27,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:27,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:27,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:27,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:27,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-10-13 13:50:27,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:27,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:27,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:27,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 13:50:27,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:27,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:50:27,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:27,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:50:27,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:27,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 13:50:27,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:27,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:50:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:27,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:27,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:27,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:50:27,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:27,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:27,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:27,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:27,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:27,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:27,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:27,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-13 13:50:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:27,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:27,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:27,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 13:50:27,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:27,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:50:27,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:27,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:50:27,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:27,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:50:27,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:27,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:50:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:27,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:27,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:27,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:50:27,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:27,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:27,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:27,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:27,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:27,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:27,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:27,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2020-10-13 13:50:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:27,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:27,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:27,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 13:50:27,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:27,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 13:50:27,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:27,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:50:27,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 13:50:27,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-13 13:50:27,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:27,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 13:50:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:27,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:27,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:27,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:50:27,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:27,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:50:27,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:27,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:50:27,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:27,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:50:27,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:27,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 13:50:27,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:27,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:27,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:27,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:50:27,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:27,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:50:27,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:27,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:50:27,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:27,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:50:27,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:27,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 13:50:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:27,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:27,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:27,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 13:50:27,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:27,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:50:27,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:27,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:50:27,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:27,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 13:50:27,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:28,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 13:50:28,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:28,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:28,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:28,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:50:28,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:28,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:50:28,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:28,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:50:28,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:28,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:50:28,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:28,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:50:28,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:28,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:28,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:28,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:50:28,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:28,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:50:28,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:28,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:50:28,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:28,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:50:28,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:28,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 13:50:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:28,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:28,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:28,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:50:28,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:28,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:50:28,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:28,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:50:28,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:28,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:50:28,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:28,083 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 749 trivial. 0 not checked. [2020-10-13 13:50:28,083 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [763156334] [2020-10-13 13:50:28,083 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:50:28,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 13:50:28,084 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414295696] [2020-10-13 13:50:28,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 13:50:28,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:50:28,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 13:50:28,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-13 13:50:28,085 INFO L87 Difference]: Start difference. First operand 2770 states and 3587 transitions. Second operand 11 states. [2020-10-13 13:50:31,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:50:31,708 INFO L93 Difference]: Finished difference Result 7343 states and 9575 transitions. [2020-10-13 13:50:31,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 13:50:31,708 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 327 [2020-10-13 13:50:31,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:50:31,733 INFO L225 Difference]: With dead ends: 7343 [2020-10-13 13:50:31,734 INFO L226 Difference]: Without dead ends: 4699 [2020-10-13 13:50:31,745 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=171, Invalid=479, Unknown=0, NotChecked=0, Total=650 [2020-10-13 13:50:31,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4699 states. [2020-10-13 13:50:32,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4699 to 4665. [2020-10-13 13:50:32,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4665 states. [2020-10-13 13:50:32,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4665 states to 4665 states and 6042 transitions. [2020-10-13 13:50:32,229 INFO L78 Accepts]: Start accepts. Automaton has 4665 states and 6042 transitions. Word has length 327 [2020-10-13 13:50:32,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:50:32,230 INFO L479 AbstractCegarLoop]: Abstraction has 4665 states and 6042 transitions. [2020-10-13 13:50:32,230 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 13:50:32,230 INFO L276 IsEmpty]: Start isEmpty. Operand 4665 states and 6042 transitions. [2020-10-13 13:50:32,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2020-10-13 13:50:32,250 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:50:32,250 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 9, 7, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-13 13:50:32,250 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-13 13:50:32,250 INFO L427 AbstractCegarLoop]: === Iteration 30 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:50:32,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:50:32,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1842719928, now seen corresponding path program 1 times [2020-10-13 13:50:32,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:50:32,251 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1955375486] [2020-10-13 13:50:32,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:50:32,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:32,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:32,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:32,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:37,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:37,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:37,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:37,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:37,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 401 [2020-10-13 13:50:37,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:50:37,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 13:50:37,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:37,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-13 13:50:37,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 184 [2020-10-13 13:50:37,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-13 13:50:37,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:37,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:50:37,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:37,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:37,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:37,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:50:37,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:37,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:50:37,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:37,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:37,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:37,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:37,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:37,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:50:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:37,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:37,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:37,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:38,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:38,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-13 13:50:38,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:50:38,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 701 [2020-10-13 13:50:38,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:38,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:50:38,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:38,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 186 [2020-10-13 13:50:38,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:38,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:50:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:38,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:38,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:38,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 13:50:38,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:38,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:50:38,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:38,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:38,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:38,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:38,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:38,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:50:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:38,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:38,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:38,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:50:38,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:38,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:50:38,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:38,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:38,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:38,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:38,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:38,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-13 13:50:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:38,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:38,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:38,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:50:38,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:38,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:50:38,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:38,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:38,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:38,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:38,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:38,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 13:50:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:38,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:38,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:38,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:50:38,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:38,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:50:38,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:38,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:38,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:38,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:38,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:38,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 13:50:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:38,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:38,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:38,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-13 13:50:38,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:38,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:50:38,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:38,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:38,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:38,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:38,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:38,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 13:50:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:38,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:38,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:38,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:50:38,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:38,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:38,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:38,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:38,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:38,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:38,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:38,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-13 13:50:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:38,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:38,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:38,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:50:38,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:38,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:38,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:38,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:38,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:38,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:38,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:38,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 13:50:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:38,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:38,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:38,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:50:38,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:38,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:50:38,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:38,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:38,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:38,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:38,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:38,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 13:50:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:38,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:38,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:38,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 13:50:38,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:38,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:50:38,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:38,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:38,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:38,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:38,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:38,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:50:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:38,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:38,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:38,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 13:50:38,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:38,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:38,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:38,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:38,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:38,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:38,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:38,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 13:50:38,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:38,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:38,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:38,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 13:50:38,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:38,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:50:38,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:38,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:38,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:38,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:38,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:38,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-13 13:50:38,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:38,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:38,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:38,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 13:50:38,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:38,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:50:38,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:38,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:38,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:38,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:38,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:38,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-13 13:50:38,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:38,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:38,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:38,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:38,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:38,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 13:50:38,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:50:38,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-10-13 13:50:38,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:38,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:50:38,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:38,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 13:50:38,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:38,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:50:38,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:38,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:38,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:38,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:50:38,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:38,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:50:38,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:38,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:50:38,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:38,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:50:38,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:38,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 13:50:38,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:38,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:38,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:38,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:50:38,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:38,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:50:38,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:38,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:50:38,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:38,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:50:38,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:38,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 13:50:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:38,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:38,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:38,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:50:38,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:38,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:38,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:38,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:50:38,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:38,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:50:38,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:38,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-13 13:50:38,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:38,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:38,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:38,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:50:38,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:38,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:38,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:38,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:50:38,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:38,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:50:38,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:38,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-13 13:50:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:38,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:38,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:38,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 13:50:38,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:38,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 13:50:38,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:38,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:50:38,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:38,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 13:50:38,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:38,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:50:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:38,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:38,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:38,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:50:38,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:38,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:38,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:38,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:38,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:38,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:38,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:38,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 13:50:38,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:38,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:38,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:38,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:50:38,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:38,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:38,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:38,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:38,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:38,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:38,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:38,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-13 13:50:38,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:38,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:38,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:38,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:50:38,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:38,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 13:50:38,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:38,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:50:38,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:38,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 13:50:38,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:38,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:50:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:38,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:38,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:38,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:50:38,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:38,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:50:38,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:38,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:38,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:38,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:38,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:38,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-10-13 13:50:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:38,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:38,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:38,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 13:50:38,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:38,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 13:50:38,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:38,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:50:38,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:38,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 13:50:38,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:38,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:50:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:38,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:38,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:38,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:50:38,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:38,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:50:38,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:38,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:38,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:38,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:38,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:38,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-13 13:50:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:38,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:38,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:38,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 13:50:38,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:38,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 13:50:38,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:38,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:50:38,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 13:50:38,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 13:50:38,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:38,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:50:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:38,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:38,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:38,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:50:38,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:38,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:50:38,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:38,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:50:38,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 13:50:38,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 13:50:38,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:38,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2020-10-13 13:50:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:38,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:38,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:38,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 13:50:38,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:38,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 13:50:38,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:38,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:50:38,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-13 13:50:38,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 13:50:38,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:39,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:50:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:39,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:39,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:39,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:50:39,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:39,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:39,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:39,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:39,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:39,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:39,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:39,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 13:50:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:39,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:39,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:39,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:50:39,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:39,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:39,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:39,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:39,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:39,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:39,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:39,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 13:50:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:39,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:39,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:39,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 13:50:39,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:39,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:50:39,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:39,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:50:39,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:39,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:50:39,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:39,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 13:50:39,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:39,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:39,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:39,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:50:39,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:39,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:50:39,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:39,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:50:39,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:39,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:50:39,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:39,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-13 13:50:39,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:39,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:39,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:39,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:50:39,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:39,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:50:39,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:39,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:50:39,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:39,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:50:39,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:39,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 13:50:39,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:50:39,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:50:39,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:50:39,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:50:39,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:50:39,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:50:39,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:50:39,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:50:39,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:50:39,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:50:39,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:50:39,144 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 142 proven. 27 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2020-10-13 13:50:39,145 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1955375486] [2020-10-13 13:50:39,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:50:39,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-13 13:50:39,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653069936] [2020-10-13 13:50:39,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-13 13:50:39,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:50:39,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-13 13:50:39,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2020-10-13 13:50:39,146 INFO L87 Difference]: Start difference. First operand 4665 states and 6042 transitions. Second operand 21 states. [2020-10-13 13:50:50,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:50:50,401 INFO L93 Difference]: Finished difference Result 19328 states and 27262 transitions. [2020-10-13 13:50:50,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-10-13 13:50:50,401 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 325 [2020-10-13 13:50:50,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:50:50,488 INFO L225 Difference]: With dead ends: 19328 [2020-10-13 13:50:50,488 INFO L226 Difference]: Without dead ends: 14900 [2020-10-13 13:50:50,506 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1078 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=705, Invalid=3327, Unknown=0, NotChecked=0, Total=4032 [2020-10-13 13:50:50,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14900 states.