/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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.2.ufo.BOUNDED-10.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 02:52:15,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 02:52:15,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 02:52:15,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 02:52:15,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 02:52:15,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 02:52:15,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 02:52:15,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 02:52:15,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 02:52:15,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 02:52:15,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 02:52:15,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 02:52:15,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 02:52:15,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 02:52:15,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 02:52:15,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 02:52:15,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 02:52:15,793 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 02:52:15,794 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 02:52:15,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 02:52:15,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 02:52:15,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 02:52:15,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 02:52:15,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 02:52:15,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 02:52:15,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 02:52:15,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 02:52:15,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 02:52:15,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 02:52:15,817 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 02:52:15,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 02:52:15,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 02:52:15,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 02:52:15,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 02:52:15,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 02:52:15,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 02:52:15,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 02:52:15,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 02:52:15,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 02:52:15,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 02:52:15,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 02:52:15,825 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 [2020-10-15 02:52:15,869 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 02:52:15,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 02:52:15,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 02:52:15,872 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 02:52:15,872 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 02:52:15,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 02:52:15,873 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 02:52:15,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 02:52:15,873 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 02:52:15,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 02:52:15,875 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 02:52:15,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 02:52:15,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 02:52:15,876 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 02:52:15,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 02:52:15,876 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 02:52:15,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 02:52:15,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 02:52:15,877 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 02:52:15,878 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 02:52:15,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 02:52:15,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 02:52:15,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 02:52:15,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 02:52:15,879 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 02:52:15,879 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 02:52:15,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 02:52:15,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 02:52:15,880 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 02:52:15,880 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 02:52:16,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 02:52:16,199 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 02:52:16,206 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 02:52:16,208 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 02:52:16,209 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 02:52:16,210 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.2.ufo.BOUNDED-10.pals.c [2020-10-15 02:52:16,275 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9ce141dd2/78c007e9dfba4d84b5aed7ba6d3f561e/FLAGdaa787c14 [2020-10-15 02:52:16,792 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 02:52:16,793 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.2.ufo.BOUNDED-10.pals.c [2020-10-15 02:52:16,805 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9ce141dd2/78c007e9dfba4d84b5aed7ba6d3f561e/FLAGdaa787c14 [2020-10-15 02:52:17,157 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9ce141dd2/78c007e9dfba4d84b5aed7ba6d3f561e [2020-10-15 02:52:17,166 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 02:52:17,168 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 02:52:17,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 02:52:17,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 02:52:17,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 02:52:17,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:52:17" (1/1) ... [2020-10-15 02:52:17,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15e98a99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:52:17, skipping insertion in model container [2020-10-15 02:52:17,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:52:17" (1/1) ... [2020-10-15 02:52:17,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 02:52:17,232 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 02:52:17,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 02:52:17,607 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 02:52:17,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 02:52:17,742 INFO L208 MainTranslator]: Completed translation [2020-10-15 02:52:17,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:52:17 WrapperNode [2020-10-15 02:52:17,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 02:52:17,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 02:52:17,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 02:52:17,744 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 02:52:17,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:52:17" (1/1) ... [2020-10-15 02:52:17,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:52:17" (1/1) ... [2020-10-15 02:52:17,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:52:17" (1/1) ... [2020-10-15 02:52:17,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:52:17" (1/1) ... [2020-10-15 02:52:17,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:52:17" (1/1) ... [2020-10-15 02:52:17,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:52:17" (1/1) ... [2020-10-15 02:52:17,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:52:17" (1/1) ... [2020-10-15 02:52:17,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 02:52:17,815 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 02:52:17,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 02:52:17,816 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 02:52:17,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:52:17" (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 [2020-10-15 02:52:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 02:52:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 02:52:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure add_history_type [2020-10-15 02:52:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_int8 [2020-10-15 02:52:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_bool [2020-10-15 02:52:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_int8 [2020-10-15 02:52:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_bool [2020-10-15 02:52:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-15 02:52:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-15 02:52:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure gate1_each_pals_period [2020-10-15 02:52:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure gate2_each_pals_period [2020-10-15 02:52:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure gate3_each_pals_period [2020-10-15 02:52:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure voter [2020-10-15 02:52:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 02:52:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-15 02:52:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 02:52:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-15 02:52:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-15 02:52:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-15 02:52:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-15 02:52:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-15 02:52:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-15 02:52:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_bool [2020-10-15 02:52:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_int8 [2020-10-15 02:52:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure add_history_type [2020-10-15 02:52:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_int8 [2020-10-15 02:52:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_bool [2020-10-15 02:52:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-15 02:52:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-15 02:52:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure gate1_each_pals_period [2020-10-15 02:52:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure gate2_each_pals_period [2020-10-15 02:52:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure gate3_each_pals_period [2020-10-15 02:52:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure voter [2020-10-15 02:52:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 02:52:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 02:52:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 02:52:18,677 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 02:52:18,678 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-15 02:52:18,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:52:18 BoogieIcfgContainer [2020-10-15 02:52:18,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 02:52:18,686 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 02:52:18,686 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 02:52:18,689 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 02:52:18,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:52:17" (1/3) ... [2020-10-15 02:52:18,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cf1ddf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:52:18, skipping insertion in model container [2020-10-15 02:52:18,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:52:17" (2/3) ... [2020-10-15 02:52:18,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cf1ddf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:52:18, skipping insertion in model container [2020-10-15 02:52:18,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:52:18" (3/3) ... [2020-10-15 02:52:18,693 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_Triplicated.2.ufo.BOUNDED-10.pals.c [2020-10-15 02:52:18,705 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 02:52:18,714 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 02:52:18,728 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 02:52:18,755 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 02:52:18,755 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 02:52:18,755 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 02:52:18,755 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 02:52:18,756 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 02:52:18,756 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 02:52:18,756 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 02:52:18,756 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 02:52:18,780 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2020-10-15 02:52:18,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-15 02:52:18,787 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:52:18,788 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] [2020-10-15 02:52:18,789 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:52:18,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:52:18,794 INFO L82 PathProgramCache]: Analyzing trace with hash -143991877, now seen corresponding path program 1 times [2020-10-15 02:52:18,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:52:18,803 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2099667157] [2020-10-15 02:52:18,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:52:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:19,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:19,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:19,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 02:52:19,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:19,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 349 [2020-10-15 02:52:19,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:19,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:19,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:52:19,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-15 02:52:19,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 02:52:19,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 02:52:19,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:52:19,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:19,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:19,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:19,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:52:19,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:19,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 02:52:19,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:19,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:19,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:19,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:19,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:19,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:19,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:52:19,565 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2099667157] [2020-10-15 02:52:19,567 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:52:19,567 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 02:52:19,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344294960] [2020-10-15 02:52:19,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 02:52:19,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:52:19,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 02:52:19,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 02:52:19,591 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 5 states. [2020-10-15 02:52:20,126 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:52:21,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:52:21,327 INFO L93 Difference]: Finished difference Result 425 states and 695 transitions. [2020-10-15 02:52:21,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 02:52:21,329 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-10-15 02:52:21,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:52:21,345 INFO L225 Difference]: With dead ends: 425 [2020-10-15 02:52:21,346 INFO L226 Difference]: Without dead ends: 218 [2020-10-15 02:52:21,353 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 [2020-10-15 02:52:21,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-10-15 02:52:21,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 212. [2020-10-15 02:52:21,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-10-15 02:52:21,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 314 transitions. [2020-10-15 02:52:21,444 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 314 transitions. Word has length 21 [2020-10-15 02:52:21,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:52:21,445 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 314 transitions. [2020-10-15 02:52:21,445 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 02:52:21,445 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 314 transitions. [2020-10-15 02:52:21,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-15 02:52:21,448 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:52:21,448 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] [2020-10-15 02:52:21,449 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 02:52:21,449 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:52:21,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:52:21,450 INFO L82 PathProgramCache]: Analyzing trace with hash -305710351, now seen corresponding path program 1 times [2020-10-15 02:52:21,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:52:21,450 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [848422300] [2020-10-15 02:52:21,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:52:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:21,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:21,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:21,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:22,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:22,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-15 02:52:22,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:52:22,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 556 [2020-10-15 02:52:22,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:22,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:22,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:52:22,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 02:52:22,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:52:22,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-15 02:52:22,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:52:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:22,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:22,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:22,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:52:22,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:22,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 02:52:22,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:22,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:22,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:22,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:22,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:22,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:22,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:52:22,189 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [848422300] [2020-10-15 02:52:22,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:52:22,190 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 02:52:22,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446090921] [2020-10-15 02:52:22,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 02:52:22,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:52:22,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 02:52:22,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 02:52:22,194 INFO L87 Difference]: Start difference. First operand 212 states and 314 transitions. Second operand 5 states. [2020-10-15 02:52:23,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:52:23,612 INFO L93 Difference]: Finished difference Result 441 states and 663 transitions. [2020-10-15 02:52:23,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 02:52:23,613 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-15 02:52:23,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:52:23,617 INFO L225 Difference]: With dead ends: 441 [2020-10-15 02:52:23,617 INFO L226 Difference]: Without dead ends: 238 [2020-10-15 02:52:23,620 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 [2020-10-15 02:52:23,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-10-15 02:52:23,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 231. [2020-10-15 02:52:23,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2020-10-15 02:52:23,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 338 transitions. [2020-10-15 02:52:23,660 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 338 transitions. Word has length 22 [2020-10-15 02:52:23,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:52:23,660 INFO L479 AbstractCegarLoop]: Abstraction has 231 states and 338 transitions. [2020-10-15 02:52:23,660 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 02:52:23,661 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 338 transitions. [2020-10-15 02:52:23,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-15 02:52:23,663 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:52:23,663 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] [2020-10-15 02:52:23,663 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 02:52:23,663 INFO L427 AbstractCegarLoop]: === Iteration 3 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:52:23,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:52:23,664 INFO L82 PathProgramCache]: Analyzing trace with hash -115882228, now seen corresponding path program 1 times [2020-10-15 02:52:23,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:52:23,664 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [380652923] [2020-10-15 02:52:23,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:52:23,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:23,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:23,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:23,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:23,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:24,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:24,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-15 02:52:24,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 02:52:24,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 621 [2020-10-15 02:52:24,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:24,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:24,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:52:24,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-15 02:52:24,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:52:24,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:24,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:52:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:24,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:24,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:24,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:52:24,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:24,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:52:24,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:24,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:24,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:24,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:24,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:24,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:24,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-15 02:52:24,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:24,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:24,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:24,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:24,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:52:24,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:52:24,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:52:24,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:24,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:24,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:52:24,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:52:24,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 02:52:24,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:24,484 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:52:24,484 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [380652923] [2020-10-15 02:52:24,485 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:52:24,485 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-15 02:52:24,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328097386] [2020-10-15 02:52:24,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 02:52:24,486 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:52:24,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 02:52:24,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-15 02:52:24,487 INFO L87 Difference]: Start difference. First operand 231 states and 338 transitions. Second operand 6 states. [2020-10-15 02:52:24,650 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:52:24,790 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:52:26,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:52:26,496 INFO L93 Difference]: Finished difference Result 528 states and 787 transitions. [2020-10-15 02:52:26,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 02:52:26,496 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-10-15 02:52:26,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:52:26,506 INFO L225 Difference]: With dead ends: 528 [2020-10-15 02:52:26,507 INFO L226 Difference]: Without dead ends: 316 [2020-10-15 02:52:26,508 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:52:26,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2020-10-15 02:52:26,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 262. [2020-10-15 02:52:26,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-10-15 02:52:26,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 380 transitions. [2020-10-15 02:52:26,555 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 380 transitions. Word has length 30 [2020-10-15 02:52:26,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:52:26,556 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 380 transitions. [2020-10-15 02:52:26,556 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 02:52:26,556 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 380 transitions. [2020-10-15 02:52:26,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-15 02:52:26,557 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:52:26,558 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] [2020-10-15 02:52:26,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 02:52:26,558 INFO L427 AbstractCegarLoop]: === Iteration 4 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:52:26,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:52:26,558 INFO L82 PathProgramCache]: Analyzing trace with hash -494968235, now seen corresponding path program 1 times [2020-10-15 02:52:26,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:52:26,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1231203313] [2020-10-15 02:52:26,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:52:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:26,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:26,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:26,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:27,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:27,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 02:52:27,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:52:27,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 548 [2020-10-15 02:52:27,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:27,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:27,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:52:27,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-15 02:52:27,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:52:27,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:27,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:52:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:27,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:27,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:27,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:52:27,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:27,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:52:27,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:27,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:27,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:27,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:27,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:27,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:27,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-15 02:52:27,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:27,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:27,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:27,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:27,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 02:52:27,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:52:27,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-15 02:52:27,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:27,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:27,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:52:27,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:52:27,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 02:52:27,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:27,363 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:52:27,363 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1231203313] [2020-10-15 02:52:27,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:52:27,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-15 02:52:27,364 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525174465] [2020-10-15 02:52:27,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 02:52:27,365 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:52:27,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 02:52:27,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 02:52:27,366 INFO L87 Difference]: Start difference. First operand 262 states and 380 transitions. Second operand 5 states. [2020-10-15 02:52:28,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:52:28,699 INFO L93 Difference]: Finished difference Result 514 states and 752 transitions. [2020-10-15 02:52:28,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 02:52:28,700 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-10-15 02:52:28,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:52:28,702 INFO L225 Difference]: With dead ends: 514 [2020-10-15 02:52:28,703 INFO L226 Difference]: Without dead ends: 263 [2020-10-15 02:52:28,707 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-15 02:52:28,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2020-10-15 02:52:28,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 259. [2020-10-15 02:52:28,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2020-10-15 02:52:28,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 376 transitions. [2020-10-15 02:52:28,758 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 376 transitions. Word has length 36 [2020-10-15 02:52:28,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:52:28,758 INFO L479 AbstractCegarLoop]: Abstraction has 259 states and 376 transitions. [2020-10-15 02:52:28,758 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 02:52:28,758 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 376 transitions. [2020-10-15 02:52:28,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-15 02:52:28,762 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:52:28,762 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] [2020-10-15 02:52:28,763 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 02:52:28,763 INFO L427 AbstractCegarLoop]: === Iteration 5 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:52:28,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:52:28,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1336251924, now seen corresponding path program 1 times [2020-10-15 02:52:28,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:52:28,764 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1932558506] [2020-10-15 02:52:28,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:52:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:28,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:28,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:29,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:29,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-15 02:52:29,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:52:29,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 342 [2020-10-15 02:52:29,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:29,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:29,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:52:29,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-15 02:52:29,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:52:29,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:29,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:52:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:29,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:29,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:29,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:52:29,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:29,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:52:29,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:29,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:29,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:29,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:29,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:29,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:29,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-15 02:52:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:29,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:29,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:29,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:52:29,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:29,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 02:52:29,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:29,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:29,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:29,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:29,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:29,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:29,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:52:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:29,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:29,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:29,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:52:29,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:29,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:52:29,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:29,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:29,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:29,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:29,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:29,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:29,361 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 02:52:29,362 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1932558506] [2020-10-15 02:52:29,362 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:52:29,362 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 02:52:29,362 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993142784] [2020-10-15 02:52:29,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 02:52:29,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:52:29,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 02:52:29,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 02:52:29,364 INFO L87 Difference]: Start difference. First operand 259 states and 376 transitions. Second operand 5 states. [2020-10-15 02:52:29,708 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:52:30,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:52:30,741 INFO L93 Difference]: Finished difference Result 506 states and 750 transitions. [2020-10-15 02:52:30,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 02:52:30,742 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2020-10-15 02:52:30,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:52:30,745 INFO L225 Difference]: With dead ends: 506 [2020-10-15 02:52:30,745 INFO L226 Difference]: Without dead ends: 272 [2020-10-15 02:52:30,749 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 [2020-10-15 02:52:30,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2020-10-15 02:52:30,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 266. [2020-10-15 02:52:30,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-10-15 02:52:30,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 384 transitions. [2020-10-15 02:52:30,786 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 384 transitions. Word has length 38 [2020-10-15 02:52:30,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:52:30,787 INFO L479 AbstractCegarLoop]: Abstraction has 266 states and 384 transitions. [2020-10-15 02:52:30,787 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 02:52:30,787 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 384 transitions. [2020-10-15 02:52:30,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-15 02:52:30,793 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:52:30,793 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] [2020-10-15 02:52:30,793 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 02:52:30,794 INFO L427 AbstractCegarLoop]: === Iteration 6 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:52:30,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:52:30,794 INFO L82 PathProgramCache]: Analyzing trace with hash -385074535, now seen corresponding path program 1 times [2020-10-15 02:52:30,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:52:30,795 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1835769504] [2020-10-15 02:52:30,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:52:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:30,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:30,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:31,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:31,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-15 02:52:31,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:52:31,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 323 [2020-10-15 02:52:31,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:31,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:31,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:52:31,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-15 02:52:31,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 02:52:31,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:31,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:52:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:31,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:31,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:31,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:52:31,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:31,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:52:31,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:31,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:31,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:31,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:31,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:31,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:31,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:52:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:31,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:31,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:31,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:52:31,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:31,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:52:31,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:31,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:31,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:31,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:31,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:31,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:31,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:52:31,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:31,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:31,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:31,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:52:31,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:31,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:52:31,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:31,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:31,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:31,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:31,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:31,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:31,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:52:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:31,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:31,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:31,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:52:31,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:31,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:52:31,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:31,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:31,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:31,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:31,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:31,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:31,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:52:31,332 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1835769504] [2020-10-15 02:52:31,332 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:52:31,332 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 02:52:31,332 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917300266] [2020-10-15 02:52:31,333 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 02:52:31,333 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:52:31,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 02:52:31,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 02:52:31,334 INFO L87 Difference]: Start difference. First operand 266 states and 384 transitions. Second operand 5 states. [2020-10-15 02:52:32,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:52:32,554 INFO L93 Difference]: Finished difference Result 448 states and 653 transitions. [2020-10-15 02:52:32,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 02:52:32,554 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2020-10-15 02:52:32,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:52:32,557 INFO L225 Difference]: With dead ends: 448 [2020-10-15 02:52:32,557 INFO L226 Difference]: Without dead ends: 276 [2020-10-15 02:52:32,559 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-15 02:52:32,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-10-15 02:52:32,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 270. [2020-10-15 02:52:32,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-10-15 02:52:32,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 387 transitions. [2020-10-15 02:52:32,584 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 387 transitions. Word has length 41 [2020-10-15 02:52:32,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:52:32,585 INFO L479 AbstractCegarLoop]: Abstraction has 270 states and 387 transitions. [2020-10-15 02:52:32,585 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 02:52:32,585 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 387 transitions. [2020-10-15 02:52:32,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-15 02:52:32,586 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:52:32,587 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] [2020-10-15 02:52:32,587 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 02:52:32,587 INFO L427 AbstractCegarLoop]: === Iteration 7 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:52:32,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:52:32,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1882389753, now seen corresponding path program 1 times [2020-10-15 02:52:32,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:52:32,588 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1599156725] [2020-10-15 02:52:32,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:52:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:32,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:32,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:33,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:33,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-15 02:52:33,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:52:33,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 430 [2020-10-15 02:52:33,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:33,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:33,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:52:33,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-15 02:52:33,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:52:33,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:33,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:52:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:33,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:33,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:33,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:52:33,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:33,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:52:33,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:33,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:33,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:33,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:33,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:33,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:33,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:52:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:33,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:33,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:33,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:52:33,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:33,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:52:33,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:33,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:33,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:33,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:33,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:33,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:33,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:52:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:33,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:33,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:33,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:52:33,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:33,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:52:33,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:33,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:33,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:33,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:33,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:33,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:33,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:52:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:33,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:33,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:33,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:52:33,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:33,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:52:33,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:33,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:33,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:33,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:33,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:33,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:33,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 02:52:33,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:33,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:33,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:33,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:52:33,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:33,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:52:33,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:33,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:33,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:33,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:33,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:33,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:33,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:52:33,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:33,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:33,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:33,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:52:33,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:33,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:52:33,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:33,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:33,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:33,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:33,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:33,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:33,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:52:33,319 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1599156725] [2020-10-15 02:52:33,319 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:52:33,320 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-15 02:52:33,320 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266966482] [2020-10-15 02:52:33,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 02:52:33,321 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:52:33,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 02:52:33,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-15 02:52:33,322 INFO L87 Difference]: Start difference. First operand 270 states and 387 transitions. Second operand 7 states. [2020-10-15 02:52:34,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:52:34,588 INFO L93 Difference]: Finished difference Result 468 states and 675 transitions. [2020-10-15 02:52:34,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 02:52:34,589 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2020-10-15 02:52:34,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:52:34,593 INFO L225 Difference]: With dead ends: 468 [2020-10-15 02:52:34,593 INFO L226 Difference]: Without dead ends: 292 [2020-10-15 02:52:34,595 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-15 02:52:34,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2020-10-15 02:52:34,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 275. [2020-10-15 02:52:34,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2020-10-15 02:52:34,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 391 transitions. [2020-10-15 02:52:34,631 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 391 transitions. Word has length 53 [2020-10-15 02:52:34,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:52:34,632 INFO L479 AbstractCegarLoop]: Abstraction has 275 states and 391 transitions. [2020-10-15 02:52:34,632 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 02:52:34,632 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 391 transitions. [2020-10-15 02:52:34,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-15 02:52:34,635 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:52:34,635 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-10-15 02:52:34,636 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 02:52:34,636 INFO L427 AbstractCegarLoop]: === Iteration 8 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:52:34,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:52:34,636 INFO L82 PathProgramCache]: Analyzing trace with hash -120900178, now seen corresponding path program 1 times [2020-10-15 02:52:34,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:52:34,637 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [317129738] [2020-10-15 02:52:34,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:52:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:34,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:34,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:34,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:34,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:34,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:35,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:38,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:38,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-15 02:52:38,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:52:38,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3590 [2020-10-15 02:52:38,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:38,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:38,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:52:38,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-15 02:52:38,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:52:38,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:38,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:52:38,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:38,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:38,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:38,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:52:38,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:38,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:52:38,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:38,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:38,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:38,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:38,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:38,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:38,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-15 02:52:38,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:38,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:38,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:38,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:52:38,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:38,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:52:38,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:38,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:38,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:38,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:38,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:38,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:38,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:52:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:38,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:38,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:38,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:52:38,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:38,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:52:38,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:38,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:38,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:38,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:38,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:38,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:38,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 02:52:38,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:38,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:38,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:38,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:38,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 02:52:38,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:52:38,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 02:52:38,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:38,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:38,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:52:38,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:52:38,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 02:52:38,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:38,436 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-15 02:52:38,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [317129738] [2020-10-15 02:52:38,436 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:52:38,436 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-15 02:52:38,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755636127] [2020-10-15 02:52:38,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 02:52:38,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:52:38,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 02:52:38,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 02:52:38,439 INFO L87 Difference]: Start difference. First operand 275 states and 391 transitions. Second operand 5 states. [2020-10-15 02:52:39,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:52:39,711 INFO L93 Difference]: Finished difference Result 518 states and 742 transitions. [2020-10-15 02:52:39,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 02:52:39,712 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-10-15 02:52:39,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:52:39,714 INFO L225 Difference]: With dead ends: 518 [2020-10-15 02:52:39,715 INFO L226 Difference]: Without dead ends: 268 [2020-10-15 02:52:39,716 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-15 02:52:39,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2020-10-15 02:52:39,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 264. [2020-10-15 02:52:39,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2020-10-15 02:52:39,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 374 transitions. [2020-10-15 02:52:39,742 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 374 transitions. Word has length 52 [2020-10-15 02:52:39,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:52:39,743 INFO L479 AbstractCegarLoop]: Abstraction has 264 states and 374 transitions. [2020-10-15 02:52:39,743 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 02:52:39,743 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 374 transitions. [2020-10-15 02:52:39,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-15 02:52:39,744 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:52:39,744 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-10-15 02:52:39,745 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 02:52:39,745 INFO L427 AbstractCegarLoop]: === Iteration 9 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:52:39,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:52:39,746 INFO L82 PathProgramCache]: Analyzing trace with hash 987693733, now seen corresponding path program 1 times [2020-10-15 02:52:39,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:52:39,752 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1892756152] [2020-10-15 02:52:39,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:52:39,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:39,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:39,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:39,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:39,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:40,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:41,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:41,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-15 02:52:41,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:52:41,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2156 [2020-10-15 02:52:41,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:41,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:41,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:52:41,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-15 02:52:41,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:52:41,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:42,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:52:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:42,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:42,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:42,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:52:42,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:42,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:52:42,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:42,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:42,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:42,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:42,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:42,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:42,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-15 02:52:42,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:42,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:42,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:42,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:52:42,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:42,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:52:42,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:42,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:42,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:42,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:42,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:42,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:42,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:52:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:42,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:42,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:42,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:52:42,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:42,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:52:42,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:42,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:42,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:42,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:42,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:42,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:42,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 02:52:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:42,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:42,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:42,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 02:52:42,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:42,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:52:42,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:42,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:42,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:42,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:42,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:42,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:42,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 02:52:42,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:42,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:42,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:42,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:52:42,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:42,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:52:42,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:42,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:42,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:42,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:42,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:42,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:42,087 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-15 02:52:42,088 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1892756152] [2020-10-15 02:52:42,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:52:42,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 02:52:42,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074850604] [2020-10-15 02:52:42,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 02:52:42,090 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:52:42,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 02:52:42,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 02:52:42,090 INFO L87 Difference]: Start difference. First operand 264 states and 374 transitions. Second operand 5 states. [2020-10-15 02:52:43,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:52:43,467 INFO L93 Difference]: Finished difference Result 515 states and 737 transitions. [2020-10-15 02:52:43,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 02:52:43,467 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-10-15 02:52:43,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:52:43,470 INFO L225 Difference]: With dead ends: 515 [2020-10-15 02:52:43,471 INFO L226 Difference]: Without dead ends: 289 [2020-10-15 02:52:43,472 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-15 02:52:43,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2020-10-15 02:52:43,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 282. [2020-10-15 02:52:43,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-10-15 02:52:43,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 395 transitions. [2020-10-15 02:52:43,507 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 395 transitions. Word has length 56 [2020-10-15 02:52:43,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:52:43,508 INFO L479 AbstractCegarLoop]: Abstraction has 282 states and 395 transitions. [2020-10-15 02:52:43,508 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 02:52:43,508 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 395 transitions. [2020-10-15 02:52:43,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-15 02:52:43,509 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:52:43,509 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-10-15 02:52:43,509 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 02:52:43,510 INFO L427 AbstractCegarLoop]: === Iteration 10 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:52:43,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:52:43,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1831955328, now seen corresponding path program 1 times [2020-10-15 02:52:43,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:52:43,511 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1760117683] [2020-10-15 02:52:43,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:52:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:43,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:43,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:43,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:44,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:44,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-15 02:52:44,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:52:44,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 714 [2020-10-15 02:52:44,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:44,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:44,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:52:44,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-15 02:52:44,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:52:44,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:44,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:52:44,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:44,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:44,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:44,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:52:44,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:44,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:52:44,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:44,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:44,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:44,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:44,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:44,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:44,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-15 02:52:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:44,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:44,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:44,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:52:44,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:44,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:52:44,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:44,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:44,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:44,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:44,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:44,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:44,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:52:44,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:44,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:44,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:44,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:52:44,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:44,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:52:44,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:44,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:44,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:44,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:44,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:44,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:44,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 02:52:44,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:44,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:44,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:44,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 02:52:44,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:44,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:52:44,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:44,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:44,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:44,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:44,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:44,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:44,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 02:52:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:44,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:44,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:44,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:52:44,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:44,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:52:44,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:44,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:44,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:44,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:44,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:44,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:44,464 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-15 02:52:44,465 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1760117683] [2020-10-15 02:52:44,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:52:44,465 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 02:52:44,465 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772439926] [2020-10-15 02:52:44,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 02:52:44,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:52:44,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 02:52:44,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 02:52:44,467 INFO L87 Difference]: Start difference. First operand 282 states and 395 transitions. Second operand 5 states. [2020-10-15 02:52:45,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:52:45,606 INFO L93 Difference]: Finished difference Result 522 states and 741 transitions. [2020-10-15 02:52:45,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 02:52:45,607 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-10-15 02:52:45,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:52:45,610 INFO L225 Difference]: With dead ends: 522 [2020-10-15 02:52:45,610 INFO L226 Difference]: Without dead ends: 280 [2020-10-15 02:52:45,612 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-15 02:52:45,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2020-10-15 02:52:45,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 276. [2020-10-15 02:52:45,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2020-10-15 02:52:45,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 381 transitions. [2020-10-15 02:52:45,635 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 381 transitions. Word has length 57 [2020-10-15 02:52:45,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:52:45,636 INFO L479 AbstractCegarLoop]: Abstraction has 276 states and 381 transitions. [2020-10-15 02:52:45,636 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 02:52:45,636 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 381 transitions. [2020-10-15 02:52:45,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-15 02:52:45,637 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:52:45,637 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] [2020-10-15 02:52:45,638 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 02:52:45,638 INFO L427 AbstractCegarLoop]: === Iteration 11 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:52:45,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:52:45,638 INFO L82 PathProgramCache]: Analyzing trace with hash 72158088, now seen corresponding path program 1 times [2020-10-15 02:52:45,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:52:45,639 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [347554887] [2020-10-15 02:52:45,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:52:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:45,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:45,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:45,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:45,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-15 02:52:45,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:52:45,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-10-15 02:52:45,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:45,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:45,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:52:45,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-15 02:52:45,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:52:45,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:46,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:52:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:46,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:46,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:46,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:52:46,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:46,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:52:46,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:46,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:46,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:46,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:46,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:46,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:46,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:52:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:46,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:46,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:46,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:52:46,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:46,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:52:46,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:46,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:46,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:46,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:46,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:46,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:46,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:52:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:46,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:46,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:46,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:52:46,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:46,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:52:46,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:46,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:46,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:46,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:46,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:46,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:46,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:52:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:46,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:46,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:46,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:52:46,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:46,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:52:46,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:46,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:46,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:46,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:46,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:46,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:46,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 02:52:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:46,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:46,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:46,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:52:46,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:46,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:52:46,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:46,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:46,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:46,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:46,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:46,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:46,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:52:46,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:46,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:46,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:46,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:52:46,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:46,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:52:46,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:46,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:46,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:46,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:46,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:46,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:46,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 02:52:46,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:46,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:46,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:46,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:52:46,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:46,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:52:46,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:46,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:46,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:46,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:46,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:46,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:46,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:52:46,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:46,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:46,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:46,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:52:46,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:46,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:52:46,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:46,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:46,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:46,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:46,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:46,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:46,228 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-15 02:52:46,229 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [347554887] [2020-10-15 02:52:46,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:52:46,229 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-15 02:52:46,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297477527] [2020-10-15 02:52:46,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 02:52:46,230 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:52:46,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 02:52:46,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-15 02:52:46,230 INFO L87 Difference]: Start difference. First operand 276 states and 381 transitions. Second operand 8 states. [2020-10-15 02:52:47,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:52:47,526 INFO L93 Difference]: Finished difference Result 452 states and 631 transitions. [2020-10-15 02:52:47,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 02:52:47,527 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 66 [2020-10-15 02:52:47,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:52:47,531 INFO L225 Difference]: With dead ends: 452 [2020-10-15 02:52:47,531 INFO L226 Difference]: Without dead ends: 277 [2020-10-15 02:52:47,533 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:52:47,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-10-15 02:52:47,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 275. [2020-10-15 02:52:47,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2020-10-15 02:52:47,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 376 transitions. [2020-10-15 02:52:47,554 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 376 transitions. Word has length 66 [2020-10-15 02:52:47,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:52:47,555 INFO L479 AbstractCegarLoop]: Abstraction has 275 states and 376 transitions. [2020-10-15 02:52:47,555 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 02:52:47,555 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 376 transitions. [2020-10-15 02:52:47,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-10-15 02:52:47,556 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:52:47,557 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 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] [2020-10-15 02:52:47,557 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-15 02:52:47,557 INFO L427 AbstractCegarLoop]: === Iteration 12 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:52:47,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:52:47,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1229003686, now seen corresponding path program 1 times [2020-10-15 02:52:47,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:52:47,558 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [99388810] [2020-10-15 02:52:47,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:52:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:47,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:47,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:47,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:48,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:50,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:50,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-15 02:52:50,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 02:52:50,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2698 [2020-10-15 02:52:50,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:50,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:50,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:52:50,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-15 02:52:50,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 02:52:50,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:50,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:52:50,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:50,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:50,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:50,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:52:50,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:50,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:52:50,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:50,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:50,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:50,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:50,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:50,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:50,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-15 02:52:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:50,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:50,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:50,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:52:50,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:50,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:52:50,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:50,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:50,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:50,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:50,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:50,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:50,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:52:50,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:50,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:50,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:50,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:52:50,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:50,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:52:50,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:50,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:50,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:50,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:50,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:50,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:50,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 02:52:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:50,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:50,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:50,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 02:52:50,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:50,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:52:50,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:50,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:50,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:50,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:50,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:50,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:50,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 02:52:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:50,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:50,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:50,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:52:50,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:50,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:52:50,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:50,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:50,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:50,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:50,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:50,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:50,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 02:52:50,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:50,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:50,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:50,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 02:52:50,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:50,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:52:50,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:50,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:50,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:50,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:50,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:50,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:50,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:52:50,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:50,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:50,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:50,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:52:50,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:50,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:52:50,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:50,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:50,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:50,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:50,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:50,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:50,450 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-15 02:52:50,451 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [99388810] [2020-10-15 02:52:50,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:52:50,451 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 02:52:50,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240561032] [2020-10-15 02:52:50,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 02:52:50,452 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:52:50,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 02:52:50,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 02:52:50,452 INFO L87 Difference]: Start difference. First operand 275 states and 376 transitions. Second operand 5 states. [2020-10-15 02:52:51,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:52:51,568 INFO L93 Difference]: Finished difference Result 494 states and 694 transitions. [2020-10-15 02:52:51,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 02:52:51,569 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2020-10-15 02:52:51,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:52:51,571 INFO L225 Difference]: With dead ends: 494 [2020-10-15 02:52:51,571 INFO L226 Difference]: Without dead ends: 275 [2020-10-15 02:52:51,573 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-15 02:52:51,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-10-15 02:52:51,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 273. [2020-10-15 02:52:51,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2020-10-15 02:52:51,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 372 transitions. [2020-10-15 02:52:51,595 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 372 transitions. Word has length 76 [2020-10-15 02:52:51,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:52:51,595 INFO L479 AbstractCegarLoop]: Abstraction has 273 states and 372 transitions. [2020-10-15 02:52:51,596 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 02:52:51,596 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 372 transitions. [2020-10-15 02:52:51,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-15 02:52:51,597 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:52:51,597 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] [2020-10-15 02:52:51,597 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-15 02:52:51,598 INFO L427 AbstractCegarLoop]: === Iteration 13 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:52:51,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:52:51,598 INFO L82 PathProgramCache]: Analyzing trace with hash -432456234, now seen corresponding path program 1 times [2020-10-15 02:52:51,598 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:52:51,598 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [957701030] [2020-10-15 02:52:51,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:52:51,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:51,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:51,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:52,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:53,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:53,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-15 02:52:53,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:52:53,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1655 [2020-10-15 02:52:53,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:53,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:53,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:52:53,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-15 02:52:53,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-15 02:52:53,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:53,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:52:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:53,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:53,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:53,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:52:53,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:53,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:52:53,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:53,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:53,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:53,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:53,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:53,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:53,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:52:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:53,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:53,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:53,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:52:53,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:53,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:52:53,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:53,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:53,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:53,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:53,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:53,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:53,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:52:53,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:53,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:53,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:53,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:52:53,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:53,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:52:53,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:53,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:53,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:53,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:53,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:53,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:53,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:52:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:53,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:53,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:53,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:52:53,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:53,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:52:53,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:53,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:53,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:53,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:53,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:53,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:53,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 02:52:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:53,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:53,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:53,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:52:53,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:53,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:52:53,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:53,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:53,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:52:53,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:53,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:52:53,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:53,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:52:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:53,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:53,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:53,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:52:53,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:53,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:52:53,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:53,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:53,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:53,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:53,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:53,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:53,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 02:52:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:53,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:53,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:53,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:52:53,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:53,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:52:53,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:53,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:53,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:52:53,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:53,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 02:52:53,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:53,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:52:53,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:53,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:53,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:53,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:52:53,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:53,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:52:53,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:53,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:53,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:53,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:53,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:53,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:53,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 02:52:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:53,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:53,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:53,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:52:53,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:53,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:52:53,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:53,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:53,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:52:53,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:53,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 02:52:53,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:53,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:52:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:53,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:53,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:53,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:52:53,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:53,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:52:53,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:53,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:53,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:53,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:53,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:53,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:53,620 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-15 02:52:53,621 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [957701030] [2020-10-15 02:52:53,621 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:52:53,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 02:52:53,621 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041899468] [2020-10-15 02:52:53,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 02:52:53,622 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:52:53,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 02:52:53,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-15 02:52:53,623 INFO L87 Difference]: Start difference. First operand 273 states and 372 transitions. Second operand 9 states. [2020-10-15 02:52:56,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:52:56,075 INFO L93 Difference]: Finished difference Result 690 states and 937 transitions. [2020-10-15 02:52:56,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-15 02:52:56,076 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 80 [2020-10-15 02:52:56,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:52:56,080 INFO L225 Difference]: With dead ends: 690 [2020-10-15 02:52:56,080 INFO L226 Difference]: Without dead ends: 518 [2020-10-15 02:52:56,082 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2020-10-15 02:52:56,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2020-10-15 02:52:56,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 441. [2020-10-15 02:52:56,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-15 02:52:56,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 602 transitions. [2020-10-15 02:52:56,119 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 602 transitions. Word has length 80 [2020-10-15 02:52:56,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:52:56,120 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 602 transitions. [2020-10-15 02:52:56,120 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 02:52:56,120 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 602 transitions. [2020-10-15 02:52:56,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-15 02:52:56,122 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:52:56,122 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] [2020-10-15 02:52:56,122 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-15 02:52:56,123 INFO L427 AbstractCegarLoop]: === Iteration 14 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:52:56,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:52:56,123 INFO L82 PathProgramCache]: Analyzing trace with hash 376890392, now seen corresponding path program 1 times [2020-10-15 02:52:56,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:52:56,123 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1141368691] [2020-10-15 02:52:56,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:52:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:56,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:56,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:56,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:56,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-15 02:52:56,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:52:56,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 361 [2020-10-15 02:52:56,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:56,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:56,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:52:56,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-15 02:52:56,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 02:52:56,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:56,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:52:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:56,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:56,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:56,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:52:56,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:56,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:52:56,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:56,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:56,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:56,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:56,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:56,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:56,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:52:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:56,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:56,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:56,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:52:56,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:56,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:52:56,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:56,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:56,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:56,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:56,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:56,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:56,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:52:56,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:56,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:56,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:56,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:52:56,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:56,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:52:56,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:56,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:56,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:56,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:56,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:56,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:56,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:52:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:56,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:56,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:56,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:52:56,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:56,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:52:56,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:56,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:56,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:56,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:56,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:56,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:56,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 02:52:56,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:56,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:56,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:56,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:52:56,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:56,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:52:56,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:56,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:56,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:56,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:56,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:56,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:56,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:52:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:56,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:56,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:56,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:52:56,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:56,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:52:56,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:56,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:56,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:56,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:56,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:56,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:56,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 02:52:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:56,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:56,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:56,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:52:56,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:56,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:52:56,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:56,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:56,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:56,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:56,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:56,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:56,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:52:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:56,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:56,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:56,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:52:56,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:56,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:52:56,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:56,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:56,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:56,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:56,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:56,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:52:56,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 02:52:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:56,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:56,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:56,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:52:56,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:56,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:52:56,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:56,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:56,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:56,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:56,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:56,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:56,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:52:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:56,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:56,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:56,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:52:56,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:52:56,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:52:56,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:56,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:56,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:52:56,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:52:56,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:52:56,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:52:56,865 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-15 02:52:56,866 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1141368691] [2020-10-15 02:52:56,866 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:52:56,866 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 02:52:56,867 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862762200] [2020-10-15 02:52:56,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 02:52:56,867 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:52:56,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 02:52:56,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-15 02:52:56,868 INFO L87 Difference]: Start difference. First operand 441 states and 602 transitions. Second operand 9 states. [2020-10-15 02:52:58,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:52:58,335 INFO L93 Difference]: Finished difference Result 710 states and 985 transitions. [2020-10-15 02:52:58,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-15 02:52:58,335 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 80 [2020-10-15 02:52:58,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:52:58,338 INFO L225 Difference]: With dead ends: 710 [2020-10-15 02:52:58,338 INFO L226 Difference]: Without dead ends: 435 [2020-10-15 02:52:58,340 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2020-10-15 02:52:58,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2020-10-15 02:52:58,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 435. [2020-10-15 02:52:58,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2020-10-15 02:52:58,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 592 transitions. [2020-10-15 02:52:58,372 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 592 transitions. Word has length 80 [2020-10-15 02:52:58,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:52:58,373 INFO L479 AbstractCegarLoop]: Abstraction has 435 states and 592 transitions. [2020-10-15 02:52:58,373 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 02:52:58,373 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 592 transitions. [2020-10-15 02:52:58,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-15 02:52:58,374 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:52:58,374 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] [2020-10-15 02:52:58,374 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-15 02:52:58,375 INFO L427 AbstractCegarLoop]: === Iteration 15 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:52:58,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:52:58,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1206690326, now seen corresponding path program 1 times [2020-10-15 02:52:58,375 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:52:58,375 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2017990565] [2020-10-15 02:52:58,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:52:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:52:58,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:58,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:58,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:58,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:58,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:52:59,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:52:59,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-15 02:52:59,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:52:59,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1588 [2020-10-15 02:52:59,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:52:59,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:52:59,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:52:59,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-15 02:52:59,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-15 02:52:59,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:00,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:53:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:00,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:00,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:00,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:53:00,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:00,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:53:00,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:00,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:00,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:00,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:00,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:00,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:00,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:53:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:00,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:00,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:00,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:53:00,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:00,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:53:00,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:00,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:00,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:00,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:00,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:00,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:00,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:00,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:00,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:00,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:53:00,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:00,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:00,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:00,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:00,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:00,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:00,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:00,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:00,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:53:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:00,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:00,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:00,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:00,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:00,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:53:00,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:00,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:00,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:00,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:00,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:00,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:00,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 02:53:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:00,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:00,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:00,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:53:00,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:00,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 02:53:00,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:00,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:00,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:00,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:00,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:53:00,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:00,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:00,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:00,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:00,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:53:00,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:00,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:00,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:00,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:00,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:00,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:00,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:00,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:00,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 02:53:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:00,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:00,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:00,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:53:00,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:00,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 02:53:00,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:00,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:00,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:00,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:00,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 02:53:00,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:00,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:00,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:00,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:00,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:00,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:00,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:00,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:00,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:00,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:00,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:00,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:00,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:00,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 02:53:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:00,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:00,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:00,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:53:00,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:00,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 02:53:00,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:00,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:00,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:00,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:00,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 02:53:00,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:00,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:00,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:00,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:00,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:00,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:53:00,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:00,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:53:00,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:00,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:00,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:00,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:00,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:00,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:00,387 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-15 02:53:00,387 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2017990565] [2020-10-15 02:53:00,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:53:00,388 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 02:53:00,388 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848986771] [2020-10-15 02:53:00,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 02:53:00,388 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:53:00,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 02:53:00,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-15 02:53:00,389 INFO L87 Difference]: Start difference. First operand 435 states and 592 transitions. Second operand 9 states. [2020-10-15 02:53:02,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:53:02,775 INFO L93 Difference]: Finished difference Result 984 states and 1353 transitions. [2020-10-15 02:53:02,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-15 02:53:02,776 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 80 [2020-10-15 02:53:02,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:53:02,781 INFO L225 Difference]: With dead ends: 984 [2020-10-15 02:53:02,782 INFO L226 Difference]: Without dead ends: 712 [2020-10-15 02:53:02,783 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2020-10-15 02:53:02,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2020-10-15 02:53:02,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 463. [2020-10-15 02:53:02,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2020-10-15 02:53:02,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 619 transitions. [2020-10-15 02:53:02,822 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 619 transitions. Word has length 80 [2020-10-15 02:53:02,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:53:02,823 INFO L479 AbstractCegarLoop]: Abstraction has 463 states and 619 transitions. [2020-10-15 02:53:02,823 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 02:53:02,823 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 619 transitions. [2020-10-15 02:53:02,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-15 02:53:02,825 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:53:02,825 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-15 02:53:02,825 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-15 02:53:02,826 INFO L427 AbstractCegarLoop]: === Iteration 16 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:53:02,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:53:02,826 INFO L82 PathProgramCache]: Analyzing trace with hash 1084961227, now seen corresponding path program 1 times [2020-10-15 02:53:02,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:53:02,826 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1977314596] [2020-10-15 02:53:02,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:53:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:02,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:02,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:02,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:03,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:03,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:03,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:07,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:07,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-15 02:53:07,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:53:07,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 02:53:07,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:07,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:07,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 02:53:07,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 02:53:07,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-15 02:53:07,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:07,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:53:07,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:07,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:07,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:07,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:53:07,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:07,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 02:53:07,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:07,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:07,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:07,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:07,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 02:53:07,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:07,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:53:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:08,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:08,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:08,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:53:08,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:08,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 02:53:08,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:08,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:08,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:08,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:08,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:53:08,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:08,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:08,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:08,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:08,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:53:08,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:08,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:53:08,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:08,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:08,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:08,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:08,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:08,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:08,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:53:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:08,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:08,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:08,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:08,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:08,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:53:08,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:08,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:08,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:08,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:08,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:08,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:08,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 02:53:08,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:08,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:08,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:08,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:53:08,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:08,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 02:53:08,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:08,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:08,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:08,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:08,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:53:08,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:08,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:08,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:08,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:08,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:53:08,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:08,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:08,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:08,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:08,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:08,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:08,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:08,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:08,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 02:53:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:08,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:08,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:08,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:53:08,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:08,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 02:53:08,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:08,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:08,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:08,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:08,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 02:53:08,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:08,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:08,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:08,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:08,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:08,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:08,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:08,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:08,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:08,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:08,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:08,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:08,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:08,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 02:53:08,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:08,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:08,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:08,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:53:08,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:08,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 02:53:08,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:08,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:08,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:08,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:08,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 02:53:08,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:08,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:08,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:08,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:08,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:53:08,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:08,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:53:08,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:08,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:08,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:08,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:08,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:08,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:08,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 02:53:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:08,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:08,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:08,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:53:08,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:08,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-15 02:53:08,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:08,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:08,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 02:53:08,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:53:08,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 02:53:08,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:08,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:53:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:08,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:08,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:08,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:53:08,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:08,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:53:08,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:08,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:08,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:53:08,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:08,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:53:08,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:08,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-15 02:53:08,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:08,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:08,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:08,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:08,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:08,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 02:53:08,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:53:08,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-15 02:53:08,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:08,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:08,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:53:08,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-15 02:53:08,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-15 02:53:08,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:08,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:53:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:08,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:08,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:08,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:08,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:08,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:53:08,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:53:08,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:08,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:08,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:53:08,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:53:08,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:53:08,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:08,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-15 02:53:08,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:08,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:08,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:08,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:08,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:08,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:53:08,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:53:08,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:08,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:08,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:53:08,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:08,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:53:08,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:08,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 02:53:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:08,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:08,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:08,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:08,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:08,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:53:08,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:08,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:08,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:08,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:08,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:53:08,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:08,774 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-15 02:53:08,774 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1977314596] [2020-10-15 02:53:08,775 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:53:08,775 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-15 02:53:08,775 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491949969] [2020-10-15 02:53:08,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-15 02:53:08,776 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:53:08,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-15 02:53:08,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=453, Unknown=0, NotChecked=0, Total=506 [2020-10-15 02:53:08,776 INFO L87 Difference]: Start difference. First operand 463 states and 619 transitions. Second operand 23 states. [2020-10-15 02:53:14,348 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2020-10-15 02:53:14,573 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-10-15 02:53:14,939 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2020-10-15 02:53:15,284 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-10-15 02:53:20,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:53:20,322 INFO L93 Difference]: Finished difference Result 1163 states and 1647 transitions. [2020-10-15 02:53:20,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2020-10-15 02:53:20,323 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 117 [2020-10-15 02:53:20,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:53:20,328 INFO L225 Difference]: With dead ends: 1163 [2020-10-15 02:53:20,328 INFO L226 Difference]: Without dead ends: 872 [2020-10-15 02:53:20,332 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1600 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=980, Invalid=5026, Unknown=0, NotChecked=0, Total=6006 [2020-10-15 02:53:20,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2020-10-15 02:53:20,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 591. [2020-10-15 02:53:20,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2020-10-15 02:53:20,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 818 transitions. [2020-10-15 02:53:20,406 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 818 transitions. Word has length 117 [2020-10-15 02:53:20,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:53:20,406 INFO L479 AbstractCegarLoop]: Abstraction has 591 states and 818 transitions. [2020-10-15 02:53:20,406 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-15 02:53:20,406 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 818 transitions. [2020-10-15 02:53:20,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-15 02:53:20,408 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:53:20,409 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:53:20,409 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-15 02:53:20,409 INFO L427 AbstractCegarLoop]: === Iteration 17 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:53:20,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:53:20,409 INFO L82 PathProgramCache]: Analyzing trace with hash 752643753, now seen corresponding path program 1 times [2020-10-15 02:53:20,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:53:20,410 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1324453531] [2020-10-15 02:53:20,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:53:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:20,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:20,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:20,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:20,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:21,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:25,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:25,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-15 02:53:25,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:53:25,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 02:53:25,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:25,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:25,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:25,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-15 02:53:25,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-15 02:53:25,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:25,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:53:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:25,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:25,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:25,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:53:25,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:25,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:53:25,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:25,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:25,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:25,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:25,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:25,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:25,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:53:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:25,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:25,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:25,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:53:25,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:25,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:53:25,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:25,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:25,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:25,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:25,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:25,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:25,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:25,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:25,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:25,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:25,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:53:25,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:25,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:53:25,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:25,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:25,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:25,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:25,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:25,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:25,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:53:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:25,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:25,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:25,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:25,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:25,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:53:25,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:25,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:25,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:25,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:25,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:25,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:25,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 02:53:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:25,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:25,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:25,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:53:25,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:25,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 02:53:25,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:25,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:25,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:25,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:25,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 02:53:25,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:25,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:25,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:25,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:25,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:25,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:53:25,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:25,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:25,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:25,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:25,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:25,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:25,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:25,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:25,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 02:53:25,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:25,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:25,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:25,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:53:25,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:25,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 02:53:25,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:25,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:25,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:25,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:25,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 02:53:25,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:25,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:25,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:25,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:25,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:25,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:25,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:25,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:25,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:25,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:25,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:25,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:25,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:25,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 02:53:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:25,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:25,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:25,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:53:25,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:25,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-15 02:53:25,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:25,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:25,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:25,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:25,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 02:53:25,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:25,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:25,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:25,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:25,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:53:25,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:25,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:53:25,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:25,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:25,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:25,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:25,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:25,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:25,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 02:53:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:25,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:25,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:25,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:53:25,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:25,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 02:53:25,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:25,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:25,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:25,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:25,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 02:53:25,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:25,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:53:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:25,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:25,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:25,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:53:25,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:25,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:53:25,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:25,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:25,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:25,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:25,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:25,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:25,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-15 02:53:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:26,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:26,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:26,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:26,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:26,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-15 02:53:26,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:53:26,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-15 02:53:26,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:26,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:26,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:26,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 02:53:26,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-15 02:53:26,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:53:26,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:53:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:26,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:26,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:26,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:26,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:53:26,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:53:26,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:53:26,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:26,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:26,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:26,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:26,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:53:26,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:26,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:53:26,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:26,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:26,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:26,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:26,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:53:26,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:53:26,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:53:26,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:26,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:26,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:26,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:26,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:53:26,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:26,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 02:53:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:26,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:26,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:26,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:26,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:26,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:53:26,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:26,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:26,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:26,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:26,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:53:26,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:26,286 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-15 02:53:26,287 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1324453531] [2020-10-15 02:53:26,287 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:53:26,287 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 02:53:26,288 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959161269] [2020-10-15 02:53:26,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 02:53:26,289 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:53:26,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 02:53:26,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-15 02:53:26,290 INFO L87 Difference]: Start difference. First operand 591 states and 818 transitions. Second operand 11 states. [2020-10-15 02:53:26,451 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:53:29,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:53:29,403 INFO L93 Difference]: Finished difference Result 1414 states and 1999 transitions. [2020-10-15 02:53:29,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-15 02:53:29,404 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 119 [2020-10-15 02:53:29,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:53:29,409 INFO L225 Difference]: With dead ends: 1414 [2020-10-15 02:53:29,410 INFO L226 Difference]: Without dead ends: 1017 [2020-10-15 02:53:29,412 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2020-10-15 02:53:29,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2020-10-15 02:53:29,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 1005. [2020-10-15 02:53:29,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1005 states. [2020-10-15 02:53:29,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 1005 states and 1401 transitions. [2020-10-15 02:53:29,514 INFO L78 Accepts]: Start accepts. Automaton has 1005 states and 1401 transitions. Word has length 119 [2020-10-15 02:53:29,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:53:29,515 INFO L479 AbstractCegarLoop]: Abstraction has 1005 states and 1401 transitions. [2020-10-15 02:53:29,515 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 02:53:29,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1401 transitions. [2020-10-15 02:53:29,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-15 02:53:29,517 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:53:29,517 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:53:29,518 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-15 02:53:29,518 INFO L427 AbstractCegarLoop]: === Iteration 18 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:53:29,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:53:29,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1721379425, now seen corresponding path program 1 times [2020-10-15 02:53:29,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:53:29,519 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [448692809] [2020-10-15 02:53:29,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:53:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:29,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:29,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:29,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:29,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:30,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:34,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:34,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-15 02:53:34,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:53:34,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-15 02:53:34,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:34,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:34,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:34,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-15 02:53:34,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-15 02:53:34,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:34,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:53:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:34,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:34,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:34,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:53:34,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:34,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:53:34,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:34,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:34,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:34,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:34,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:34,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:34,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:53:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:34,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:34,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:34,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:53:34,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:34,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:53:34,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:34,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:34,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:34,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:34,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:34,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:34,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:34,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:34,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:34,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:53:34,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:34,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:34,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:34,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:34,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:34,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:34,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:34,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:34,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:53:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:34,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:34,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:34,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:34,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:34,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:53:34,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:34,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:34,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:34,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:34,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:34,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:34,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 02:53:34,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:34,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:34,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:34,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:53:34,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:34,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:53:34,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:34,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:34,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:34,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:34,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:34,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:34,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:34,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:34,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:34,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:53:34,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:34,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:34,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:34,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:34,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:34,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:34,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:34,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:34,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 02:53:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:34,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:34,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:34,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:53:34,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:34,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:53:34,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:34,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:34,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:34,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:34,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:53:34,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:34,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:34,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:34,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:34,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:34,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:34,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:53:34,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:34,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:34,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:34,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:34,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:34,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:34,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 02:53:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:34,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:34,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:34,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:53:34,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:34,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:53:34,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:34,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:34,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:34,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:34,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 02:53:34,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:34,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:34,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:34,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:34,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:34,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:53:34,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:34,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:34,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:34,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:34,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:34,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:34,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:34,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:34,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 02:53:34,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:34,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:34,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:34,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:53:34,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:34,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:53:34,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:34,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:34,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:34,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:34,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 02:53:34,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:34,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:53:34,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:34,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:34,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:34,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:53:34,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:34,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:53:34,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:34,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:34,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:34,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:34,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:34,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:34,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-15 02:53:34,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:34,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:34,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:34,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:35,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:35,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-15 02:53:35,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:53:35,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-15 02:53:35,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:35,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:35,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:35,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-15 02:53:35,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-15 02:53:35,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:35,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 02:53:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:35,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:35,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:35,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:35,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:53:35,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:53:35,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:53:35,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:35,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:35,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:35,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:35,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:53:35,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:35,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 02:53:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:35,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:35,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:35,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:35,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:53:35,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:53:35,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:53:35,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:35,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:35,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:35,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:35,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:53:35,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:35,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:53:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:35,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:35,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:35,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:35,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:35,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:53:35,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:35,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:35,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:35,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:35,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:53:35,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:35,113 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-15 02:53:35,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [448692809] [2020-10-15 02:53:35,113 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:53:35,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 02:53:35,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020238391] [2020-10-15 02:53:35,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 02:53:35,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:53:35,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 02:53:35,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-15 02:53:35,115 INFO L87 Difference]: Start difference. First operand 1005 states and 1401 transitions. Second operand 11 states. [2020-10-15 02:53:38,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:53:38,393 INFO L93 Difference]: Finished difference Result 2473 states and 3504 transitions. [2020-10-15 02:53:38,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-15 02:53:38,394 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 120 [2020-10-15 02:53:38,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:53:38,403 INFO L225 Difference]: With dead ends: 2473 [2020-10-15 02:53:38,403 INFO L226 Difference]: Without dead ends: 1794 [2020-10-15 02:53:38,406 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-10-15 02:53:38,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1794 states. [2020-10-15 02:53:38,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1794 to 1384. [2020-10-15 02:53:38,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1384 states. [2020-10-15 02:53:38,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1384 states and 1939 transitions. [2020-10-15 02:53:38,570 INFO L78 Accepts]: Start accepts. Automaton has 1384 states and 1939 transitions. Word has length 120 [2020-10-15 02:53:38,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:53:38,571 INFO L479 AbstractCegarLoop]: Abstraction has 1384 states and 1939 transitions. [2020-10-15 02:53:38,571 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 02:53:38,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 1939 transitions. [2020-10-15 02:53:38,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-15 02:53:38,574 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:53:38,575 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:53:38,575 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-15 02:53:38,575 INFO L427 AbstractCegarLoop]: === Iteration 19 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:53:38,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:53:38,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1445986428, now seen corresponding path program 1 times [2020-10-15 02:53:38,576 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:53:38,576 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1507661253] [2020-10-15 02:53:38,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:53:38,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:38,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:38,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:38,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:38,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:39,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:43,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:43,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-10-15 02:53:43,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:53:43,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-15 02:53:43,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:43,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:43,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:43,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-15 02:53:43,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-15 02:53:43,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:43,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:53:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:43,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:43,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:43,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:53:43,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:43,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:43,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:43,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:43,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:43,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:43,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:43,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:43,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:53:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:43,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:43,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:43,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:53:43,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:43,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:43,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:43,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:43,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:43,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:43,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:43,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:43,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:43,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:43,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:43,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:53:43,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:43,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:53:43,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:43,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:43,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:43,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:43,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:43,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:43,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:53:43,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:43,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:43,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:43,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:43,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:43,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:53:43,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:43,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:43,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:43,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:43,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:43,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:43,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 02:53:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:43,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:43,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:43,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:53:43,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:43,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:53:43,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:43,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:43,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:43,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:43,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:43,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:43,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:43,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:43,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:43,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:53:43,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:43,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:53:43,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:43,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:43,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:43,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:43,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:43,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:43,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 02:53:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:43,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:43,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:43,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:53:43,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:43,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:43,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:43,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:43,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:43,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:43,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:43,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:43,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:43,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:43,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:43,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:43,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:43,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:43,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:53:43,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:43,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:43,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:43,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:43,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:43,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:43,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 02:53:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:43,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:43,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:43,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:53:43,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:43,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:53:43,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:43,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:43,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:43,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:43,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 02:53:43,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:43,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:43,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:43,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:43,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:53:43,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:43,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:53:43,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:43,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:43,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:43,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:43,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:43,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:43,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 02:53:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:43,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:43,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:43,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:53:43,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:43,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:53:43,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:43,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:43,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:43,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:43,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 02:53:43,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:43,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:53:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:43,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:43,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:43,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:53:43,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:43,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:53:43,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:43,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:43,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:43,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:43,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:43,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:43,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-15 02:53:43,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:43,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:43,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:43,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:44,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:44,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:53:44,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:53:44,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-15 02:53:44,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:44,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:44,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:44,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 02:53:44,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-15 02:53:44,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:44,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:53:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:44,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:44,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:44,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:44,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:53:44,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:53:44,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:53:44,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:44,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:44,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:44,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:44,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:53:44,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:44,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-15 02:53:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:44,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:44,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:44,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:44,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:53:44,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:53:44,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:53:44,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:44,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:44,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:44,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:44,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:53:44,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:44,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:53:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:44,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:44,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:44,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:44,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:44,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:53:44,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:44,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:44,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:53:44,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:44,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:53:44,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:44,081 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-15 02:53:44,081 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1507661253] [2020-10-15 02:53:44,081 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:53:44,081 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 02:53:44,081 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031457345] [2020-10-15 02:53:44,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 02:53:44,082 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:53:44,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 02:53:44,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-15 02:53:44,084 INFO L87 Difference]: Start difference. First operand 1384 states and 1939 transitions. Second operand 11 states. [2020-10-15 02:53:47,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:53:47,586 INFO L93 Difference]: Finished difference Result 3421 states and 4868 transitions. [2020-10-15 02:53:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-15 02:53:47,586 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 121 [2020-10-15 02:53:47,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:53:47,600 INFO L225 Difference]: With dead ends: 3421 [2020-10-15 02:53:47,600 INFO L226 Difference]: Without dead ends: 2477 [2020-10-15 02:53:47,605 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=171, Invalid=479, Unknown=0, NotChecked=0, Total=650 [2020-10-15 02:53:47,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2477 states. [2020-10-15 02:53:47,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2477 to 1726. [2020-10-15 02:53:47,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1726 states. [2020-10-15 02:53:47,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1726 states to 1726 states and 2430 transitions. [2020-10-15 02:53:47,812 INFO L78 Accepts]: Start accepts. Automaton has 1726 states and 2430 transitions. Word has length 121 [2020-10-15 02:53:47,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:53:47,813 INFO L479 AbstractCegarLoop]: Abstraction has 1726 states and 2430 transitions. [2020-10-15 02:53:47,813 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 02:53:47,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1726 states and 2430 transitions. [2020-10-15 02:53:47,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-15 02:53:47,816 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:53:47,816 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:53:47,816 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-15 02:53:47,817 INFO L427 AbstractCegarLoop]: === Iteration 20 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:53:47,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:53:47,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1840353214, now seen corresponding path program 1 times [2020-10-15 02:53:47,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:53:47,817 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2093099413] [2020-10-15 02:53:47,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:53:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:47,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:47,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:47,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:48,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:48,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:52,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:52,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-10-15 02:53:52,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:53:52,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-15 02:53:52,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:52,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:52,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:53:52,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 149 [2020-10-15 02:53:52,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:53:52,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:52,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:53:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:52,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:52,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:52,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:53:52,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:52,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:53:52,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:52,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:52,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:52,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:52,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:52,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:52,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:53:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:52,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:52,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:52,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:53:52,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:52,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:52,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:52,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:52,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:52,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:52,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:52,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:52,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:53,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:53,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:53,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:53:53,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:53,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:53:53,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:53,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:53,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:53,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:53,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:53,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:53,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:53:53,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:53,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:53,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:53,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:53,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:53,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:53:53,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:53,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:53,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:53,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:53,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:53,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:53:53,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 02:53:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:53,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:53,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:53,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:53:53,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:53,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:53,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:53,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:53,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:53,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:53,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:53,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:53,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:53,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:53,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:53,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:53,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:53:53,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:53,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:53:53,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:53,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:53,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:53,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:53,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:53,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:53,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 02:53:53,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:53,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:53,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:53,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:53:53,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:53,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:53,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:53,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:53,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:53,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:53,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:53,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:53,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:53,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:53,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:53,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:53,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:53,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:53,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:53:53,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:53,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:53,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:53,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:53,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:53,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:53,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 02:53:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:53,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:53,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:53,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:53:53,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:53,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:53:53,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:53,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:53,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:53,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:53,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:53,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:53,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:53:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:53,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:53,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:53,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:53:53,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:53,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:53:53,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:53,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:53,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:53,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:53,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:53,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:53,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 02:53:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:53,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:53,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:53,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:53:53,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:53,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:53,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:53,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:53,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:53,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:53,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:53,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:53,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:53:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:53,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:53,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:53,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:53:53,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:53,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:53:53,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:53,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:53,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:53,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:53,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:53,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:53,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-15 02:53:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:53,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:53,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:53,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:53,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:53,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:53,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:53:53,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 02:53:53,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-15 02:53:53,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:53,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:53,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:53:53,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:53,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-15 02:53:53,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:53,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:53:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:53,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:53,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:53,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:53,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:53:53,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:53:53,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:53,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:53,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:53,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:53:53,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:53:53,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:53:53,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:53,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-15 02:53:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:53,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:53,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:53,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:53,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:53:53,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:53:53,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:53:53,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:53,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:53,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:53:53,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:53:53,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:53:53,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:53,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:53:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:53,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:53,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:53:53,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:53:53,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:53:53,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:53:53,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:53:53,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:53:53,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:53:53,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:53:53,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:53:53,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:53:53,501 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-15 02:53:53,502 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2093099413] [2020-10-15 02:53:53,502 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:53:53,502 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-15 02:53:53,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622363373] [2020-10-15 02:53:53,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-15 02:53:53,503 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:53:53,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-15 02:53:53,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2020-10-15 02:53:53,504 INFO L87 Difference]: Start difference. First operand 1726 states and 2430 transitions. Second operand 18 states. [2020-10-15 02:53:57,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:53:57,078 INFO L93 Difference]: Finished difference Result 3448 states and 5007 transitions. [2020-10-15 02:53:57,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-15 02:53:57,082 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 121 [2020-10-15 02:53:57,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:53:57,094 INFO L225 Difference]: With dead ends: 3448 [2020-10-15 02:53:57,094 INFO L226 Difference]: Without dead ends: 1706 [2020-10-15 02:53:57,101 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=230, Invalid=826, Unknown=0, NotChecked=0, Total=1056 [2020-10-15 02:53:57,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2020-10-15 02:53:57,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1652. [2020-10-15 02:53:57,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1652 states. [2020-10-15 02:53:57,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 1652 states and 2155 transitions. [2020-10-15 02:53:57,296 INFO L78 Accepts]: Start accepts. Automaton has 1652 states and 2155 transitions. Word has length 121 [2020-10-15 02:53:57,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:53:57,297 INFO L479 AbstractCegarLoop]: Abstraction has 1652 states and 2155 transitions. [2020-10-15 02:53:57,297 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-15 02:53:57,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 2155 transitions. [2020-10-15 02:53:57,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-15 02:53:57,300 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:53:57,301 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-15 02:53:57,301 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-15 02:53:57,301 INFO L427 AbstractCegarLoop]: === Iteration 21 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:53:57,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:53:57,302 INFO L82 PathProgramCache]: Analyzing trace with hash 706327505, now seen corresponding path program 1 times [2020-10-15 02:53:57,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:53:57,302 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1343977401] [2020-10-15 02:53:57,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:53:57,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:53:57,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:57,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:57,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:53:57,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:02,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:02,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-15 02:54:02,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 02:54:02,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-15 02:54:02,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:02,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:02,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 02:54:02,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-15 02:54:02,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-15 02:54:02,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:02,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:54:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:02,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:02,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:02,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:54:02,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:02,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:54:02,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:02,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:02,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:02,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:02,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:02,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:02,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:54:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:02,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:02,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:02,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:54:02,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:02,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 02:54:02,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:02,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:02,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:54:02,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:02,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 02:54:02,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:02,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:02,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:02,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:02,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:54:02,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:02,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:54:02,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:02,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:02,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:54:02,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:02,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 02:54:02,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:02,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:54:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:02,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:02,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:02,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:54:02,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:02,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:54:02,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:02,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:02,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:54:02,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:02,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:54:02,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:02,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 02:54:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:02,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:02,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:02,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:54:02,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:02,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 02:54:02,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:02,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:02,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:54:02,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:54:02,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 02:54:02,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:02,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:02,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:02,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:02,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:54:02,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:02,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:54:02,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:02,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:02,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:54:02,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:54:02,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:54:02,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:02,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 02:54:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:02,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:02,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:02,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:54:02,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:02,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 02:54:02,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:02,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:02,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:54:02,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:54:02,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-15 02:54:02,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:02,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:02,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:02,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:02,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:54:02,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:02,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:54:02,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:02,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:02,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:54:02,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:54:02,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 02:54:02,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:02,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 02:54:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:02,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:02,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:02,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:54:02,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:02,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 02:54:02,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:02,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:02,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:54:02,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:54:02,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 02:54:02,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:02,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:02,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:02,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:02,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:02,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:02,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:54:02,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:02,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:02,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:54:02,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:54:02,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:54:02,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:03,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 02:54:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:03,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:03,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:03,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:54:03,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:03,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:54:03,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:03,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:03,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:54:03,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:03,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 02:54:03,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:03,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:54:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:03,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:03,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:03,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:54:03,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:03,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:03,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:03,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:03,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:03,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:03,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:03,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:03,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-15 02:54:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:03,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:03,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:03,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:03,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:03,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-15 02:54:03,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:54:03,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-15 02:54:03,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:03,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:03,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:54:03,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 02:54:03,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-15 02:54:03,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:03,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:54:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:03,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:03,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:03,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:03,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:03,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:54:03,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:03,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:03,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:54:03,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:03,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:54:03,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:03,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-15 02:54:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:03,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:03,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:03,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:03,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:03,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:54:03,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:03,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:03,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:54:03,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:03,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:54:03,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:03,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:54:03,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:03,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:03,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:03,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:54:03,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:03,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:54:03,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:03,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:03,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:54:03,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:03,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:54:03,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:03,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-15 02:54:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:03,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:03,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:03,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:03,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:03,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:54:03,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:03,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:03,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:54:03,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:03,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:54:03,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:03,351 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-15 02:54:03,352 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1343977401] [2020-10-15 02:54:03,352 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:54:03,352 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-15 02:54:03,352 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519642179] [2020-10-15 02:54:03,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-15 02:54:03,358 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:54:03,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-15 02:54:03,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2020-10-15 02:54:03,359 INFO L87 Difference]: Start difference. First operand 1652 states and 2155 transitions. Second operand 23 states. [2020-10-15 02:54:04,031 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-15 02:54:04,193 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-15 02:54:10,708 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-15 02:54:11,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:54:11,811 INFO L93 Difference]: Finished difference Result 4555 states and 5992 transitions. [2020-10-15 02:54:11,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-15 02:54:11,812 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 129 [2020-10-15 02:54:11,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:54:11,826 INFO L225 Difference]: With dead ends: 4555 [2020-10-15 02:54:11,827 INFO L226 Difference]: Without dead ends: 3207 [2020-10-15 02:54:11,832 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 36 SyntacticMatches, 3 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 753 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=720, Invalid=2820, Unknown=0, NotChecked=0, Total=3540 [2020-10-15 02:54:11,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3207 states. [2020-10-15 02:54:12,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3207 to 2731. [2020-10-15 02:54:12,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2731 states. [2020-10-15 02:54:12,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2731 states to 2731 states and 3489 transitions. [2020-10-15 02:54:12,105 INFO L78 Accepts]: Start accepts. Automaton has 2731 states and 3489 transitions. Word has length 129 [2020-10-15 02:54:12,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:54:12,105 INFO L479 AbstractCegarLoop]: Abstraction has 2731 states and 3489 transitions. [2020-10-15 02:54:12,105 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-15 02:54:12,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2731 states and 3489 transitions. [2020-10-15 02:54:12,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-15 02:54:12,111 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:54:12,111 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:54:12,111 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-15 02:54:12,111 INFO L427 AbstractCegarLoop]: === Iteration 22 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:54:12,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:54:12,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1372021429, now seen corresponding path program 1 times [2020-10-15 02:54:12,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:54:12,112 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [744263808] [2020-10-15 02:54:12,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:54:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-15 02:54:12,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:54:12,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 243 [2020-10-15 02:54:12,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:54:12,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-15 02:54:12,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:54:12,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:54:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:54:12,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:54:12,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:12,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:54:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:54:12,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:54:12,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:54:12,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:12,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:54:12,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:54:12,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:54:12,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:12,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:54:12,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:54:12,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:12,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:12,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 02:54:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:54:12,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:54:12,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 02:54:12,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:54:12,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:54:12,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:12,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 02:54:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:54:12,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:54:12,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-15 02:54:12,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:12,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:54:12,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:12,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:12,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 02:54:12,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:54:12,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:54:12,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 02:54:12,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:12,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:54:12,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:12,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 02:54:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:54:12,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:54:12,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-15 02:54:12,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:54:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:54:12,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:12,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:12,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-15 02:54:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-15 02:54:12,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:54:12,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 02:54:12,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:54:12,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 02:54:12,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 02:54:12,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:54:12,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:12,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:12,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:54:12,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-15 02:54:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:12,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:12,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:54:12,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:54:12,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:54:12,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:12,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:54:12,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-15 02:54:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:12,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:12,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:54:12,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-15 02:54:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:12,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:12,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:12,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:54:12,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:12,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:12,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:12,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:12,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:12,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 02:54:12,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:12,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:12,790 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-10-15 02:54:12,791 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [744263808] [2020-10-15 02:54:12,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:54:12,791 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-15 02:54:12,791 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942902465] [2020-10-15 02:54:12,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 02:54:12,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:54:12,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 02:54:12,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-10-15 02:54:12,792 INFO L87 Difference]: Start difference. First operand 2731 states and 3489 transitions. Second operand 13 states. [2020-10-15 02:54:14,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:54:14,964 INFO L93 Difference]: Finished difference Result 4777 states and 6097 transitions. [2020-10-15 02:54:14,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 02:54:14,967 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 139 [2020-10-15 02:54:14,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:54:14,979 INFO L225 Difference]: With dead ends: 4777 [2020-10-15 02:54:14,979 INFO L226 Difference]: Without dead ends: 2211 [2020-10-15 02:54:14,985 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2020-10-15 02:54:14,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2020-10-15 02:54:15,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 2206. [2020-10-15 02:54:15,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2206 states. [2020-10-15 02:54:15,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 2206 states and 2805 transitions. [2020-10-15 02:54:15,161 INFO L78 Accepts]: Start accepts. Automaton has 2206 states and 2805 transitions. Word has length 139 [2020-10-15 02:54:15,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:54:15,161 INFO L479 AbstractCegarLoop]: Abstraction has 2206 states and 2805 transitions. [2020-10-15 02:54:15,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 02:54:15,161 INFO L276 IsEmpty]: Start isEmpty. Operand 2206 states and 2805 transitions. [2020-10-15 02:54:15,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-15 02:54:15,166 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:54:15,167 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:54:15,167 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-15 02:54:15,167 INFO L427 AbstractCegarLoop]: === Iteration 23 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:54:15,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:54:15,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1928732955, now seen corresponding path program 1 times [2020-10-15 02:54:15,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:54:15,168 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2006984458] [2020-10-15 02:54:15,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:54:15,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:15,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:15,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:15,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:15,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:15,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:20,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:20,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-15 02:54:20,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:54:20,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-15 02:54:20,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:20,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:20,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:54:20,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-15 02:54:20,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:54:20,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:20,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:54:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:20,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:20,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:20,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:54:20,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:20,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:54:20,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:20,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:20,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:20,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:20,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:20,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:20,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:54:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:20,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:20,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:20,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:20,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:20,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:22,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:22,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-15 02:54:22,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:54:22,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2536 [2020-10-15 02:54:22,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:22,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:22,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:54:22,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-15 02:54:22,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:54:22,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:22,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:22,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:22,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:22,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:54:22,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:22,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:54:22,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:22,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:22,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:22,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:22,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:22,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:22,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:54:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:22,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:22,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:22,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:54:22,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:22,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:22,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:22,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:22,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:22,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:22,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:22,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:54:22,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-15 02:54:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:22,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:22,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:22,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 02:54:22,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:22,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:54:22,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:22,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:22,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:22,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:22,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:22,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:22,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 02:54:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:22,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:22,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:22,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:22,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:22,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:22,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:22,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:22,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:22,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:22,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:22,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:22,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-15 02:54:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:22,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:22,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:22,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 02:54:22,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:22,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:54:22,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:22,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:22,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:22,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:22,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:22,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:22,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:54:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:22,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:22,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:22,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:54:22,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:22,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:22,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:22,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:22,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:22,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:22,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:22,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:22,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 02:54:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:22,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:22,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:22,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:22,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 02:54:22,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:54:22,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:54:22,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:22,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:22,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:54:22,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:54:22,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 02:54:22,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:22,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-15 02:54:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:22,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:22,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:22,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:54:22,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:22,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:54:22,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:22,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:22,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:22,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 02:54:22,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:22,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:22,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:22,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:22,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:23,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:23,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:54:23,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:23,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:23,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:23,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:23,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:23,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:23,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:23,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:23,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-15 02:54:23,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:23,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:23,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:23,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:54:23,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:23,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:54:23,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:23,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:23,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:23,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-15 02:54:23,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:23,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:23,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:23,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:23,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:23,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:23,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:54:23,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:23,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:23,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:23,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:23,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:23,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:23,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:23,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:23,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-15 02:54:23,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:23,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:23,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:23,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:54:23,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:23,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:54:23,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:23,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:23,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:23,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 02:54:23,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:23,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:23,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:23,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:23,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:23,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:23,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:23,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:23,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:23,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:23,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:23,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:23,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:23,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:23,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:23,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-15 02:54:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:23,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:23,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:23,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:54:23,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:23,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:54:23,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:23,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:23,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:23,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-15 02:54:23,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:23,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:23,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:54:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:23,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:23,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:23,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:54:23,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:23,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:23,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:23,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:23,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:23,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:23,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:23,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:23,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-15 02:54:23,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:23,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:23,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:23,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-15 02:54:23,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:23,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:54:23,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:23,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:23,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:23,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-15 02:54:23,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:23,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:23,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:54:23,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:23,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:23,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:23,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:23,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:23,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:23,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:23,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:23,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:23,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:23,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:23,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:23,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:54:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:23,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:23,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:23,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:23,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:23,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:23,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:23,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:23,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:23,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:23,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:23,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:23,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 02:54:23,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:23,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:23,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:23,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:54:23,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:23,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:23,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:23,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:23,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:23,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:23,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:23,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:23,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:54:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:23,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:23,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:23,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:23,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:23,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:23,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:23,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:23,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:23,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:23,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:23,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:23,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 02:54:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:23,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:23,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:23,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:54:23,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:23,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:23,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:23,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:23,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:23,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:23,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:23,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:23,218 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2020-10-15 02:54:23,219 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2006984458] [2020-10-15 02:54:23,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:54:23,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-15 02:54:23,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134763487] [2020-10-15 02:54:23,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 02:54:23,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:54:23,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 02:54:23,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-15 02:54:23,220 INFO L87 Difference]: Start difference. First operand 2206 states and 2805 transitions. Second operand 11 states. [2020-10-15 02:54:25,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:54:25,201 INFO L93 Difference]: Finished difference Result 4199 states and 5347 transitions. [2020-10-15 02:54:25,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 02:54:25,202 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 191 [2020-10-15 02:54:25,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:54:25,211 INFO L225 Difference]: With dead ends: 4199 [2020-10-15 02:54:25,211 INFO L226 Difference]: Without dead ends: 2139 [2020-10-15 02:54:25,216 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2020-10-15 02:54:25,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2139 states. [2020-10-15 02:54:25,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2139 to 2139. [2020-10-15 02:54:25,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2139 states. [2020-10-15 02:54:25,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 2139 states and 2701 transitions. [2020-10-15 02:54:25,391 INFO L78 Accepts]: Start accepts. Automaton has 2139 states and 2701 transitions. Word has length 191 [2020-10-15 02:54:25,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:54:25,392 INFO L479 AbstractCegarLoop]: Abstraction has 2139 states and 2701 transitions. [2020-10-15 02:54:25,392 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 02:54:25,392 INFO L276 IsEmpty]: Start isEmpty. Operand 2139 states and 2701 transitions. [2020-10-15 02:54:25,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-15 02:54:25,395 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:54:25,396 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:54:25,396 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-15 02:54:25,396 INFO L427 AbstractCegarLoop]: === Iteration 24 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:54:25,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:54:25,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1636876287, now seen corresponding path program 1 times [2020-10-15 02:54:25,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:54:25,397 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1132948611] [2020-10-15 02:54:25,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:54:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:25,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:25,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:25,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:25,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:25,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:30,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:30,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-10-15 02:54:30,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:54:30,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-15 02:54:30,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:30,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:30,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:54:30,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-15 02:54:30,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:54:30,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:54:30,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:54:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:30,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:30,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:30,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:54:30,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:30,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:54:30,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:30,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:30,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:30,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:30,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:30,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:30,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:54:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:30,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:30,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:30,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:30,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:31,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:34,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:34,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-15 02:54:34,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:54:34,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4028 [2020-10-15 02:54:34,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:34,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:34,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:54:34,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:54:34,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:54:34,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:34,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:34,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:34,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:34,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:34,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:54:34,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:34,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:54:34,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:34,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:34,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:54:34,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:54:34,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:54:34,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:54:34,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:54:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:34,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:34,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:34,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:34,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:34,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:54:34,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:34,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:34,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:54:34,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:54:34,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:54:34,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:34,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 02:54:34,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:34,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:34,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:34,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 02:54:34,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:34,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:54:34,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:34,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:34,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:34,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-15 02:54:34,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:34,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:34,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 02:54:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:34,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:34,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:34,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:34,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:34,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:34,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:34,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:34,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:34,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:34,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:34,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:34,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 02:54:34,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:34,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:34,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:34,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 02:54:34,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:34,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:54:34,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:34,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:34,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:34,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-15 02:54:34,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:34,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:34,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:54:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:34,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:34,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:34,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:54:34,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:34,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:34,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:34,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:34,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:34,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:34,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:34,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:34,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-15 02:54:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:34,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:34,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:34,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 02:54:34,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:34,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:54:34,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:34,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:34,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:34,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-15 02:54:34,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:34,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:54:34,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:54:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:34,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:34,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:34,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:54:34,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:34,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:34,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:34,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:34,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:34,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:34,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:34,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:34,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-15 02:54:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:34,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:34,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:34,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:54:34,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:34,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:54:34,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:34,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:34,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:34,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 02:54:34,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:34,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:34,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:34,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:34,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:34,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:54:34,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:34,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:54:34,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:34,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:34,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:34,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:34,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:34,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:34,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-15 02:54:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:34,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:34,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:34,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:54:34,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:34,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:54:34,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:34,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:34,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:34,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-15 02:54:34,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:34,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:34,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:34,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:34,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:34,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:54:34,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:34,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:34,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:34,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:34,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:34,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:34,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:34,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:34,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-15 02:54:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:34,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:34,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:34,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:54:34,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:34,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:54:34,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:34,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:34,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:34,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 02:54:34,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:34,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:34,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:34,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:34,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:34,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:34,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:34,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:34,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:54:34,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:34,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:34,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:34,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:34,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:34,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:34,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-15 02:54:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:34,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:34,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:34,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:54:34,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:34,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:54:34,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:34,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:34,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:34,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-15 02:54:34,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:34,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:34,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:54:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:34,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:34,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:34,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:54:34,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:34,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:34,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:34,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:34,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:34,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:34,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:34,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:34,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-15 02:54:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:34,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:34,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:34,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-15 02:54:34,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:34,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:54:34,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:34,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:34,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:34,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-15 02:54:34,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:34,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:34,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:54:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:34,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:34,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:34,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:34,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:34,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:34,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:34,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:34,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:34,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:34,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:34,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:54:34,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:54:34,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:34,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:34,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:34,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:34,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:34,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:34,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:34,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:34,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:34,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:34,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:34,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:34,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 02:54:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:34,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:34,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:34,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:54:34,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:34,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:34,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:34,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:34,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:34,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:34,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:34,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:34,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:54:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:34,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:34,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:34,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:34,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:34,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:34,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:34,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:34,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:34,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:34,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:34,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:34,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 02:54:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:34,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:34,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:34,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:54:34,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:34,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:34,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:34,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:34,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:34,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:34,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:34,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:35,005 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2020-10-15 02:54:35,006 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1132948611] [2020-10-15 02:54:35,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:54:35,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-15 02:54:35,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687966135] [2020-10-15 02:54:35,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 02:54:35,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:54:35,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 02:54:35,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-15 02:54:35,007 INFO L87 Difference]: Start difference. First operand 2139 states and 2701 transitions. Second operand 11 states. [2020-10-15 02:54:35,281 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:54:36,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:54:36,988 INFO L93 Difference]: Finished difference Result 4273 states and 5400 transitions. [2020-10-15 02:54:36,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 02:54:36,995 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 197 [2020-10-15 02:54:36,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:54:37,007 INFO L225 Difference]: With dead ends: 4273 [2020-10-15 02:54:37,007 INFO L226 Difference]: Without dead ends: 2130 [2020-10-15 02:54:37,012 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2020-10-15 02:54:37,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2130 states. [2020-10-15 02:54:37,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2130 to 2130. [2020-10-15 02:54:37,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2130 states. [2020-10-15 02:54:37,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2130 states to 2130 states and 2681 transitions. [2020-10-15 02:54:37,189 INFO L78 Accepts]: Start accepts. Automaton has 2130 states and 2681 transitions. Word has length 197 [2020-10-15 02:54:37,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:54:37,189 INFO L479 AbstractCegarLoop]: Abstraction has 2130 states and 2681 transitions. [2020-10-15 02:54:37,189 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 02:54:37,189 INFO L276 IsEmpty]: Start isEmpty. Operand 2130 states and 2681 transitions. [2020-10-15 02:54:37,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-10-15 02:54:37,193 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:54:37,193 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:54:37,193 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-15 02:54:37,194 INFO L427 AbstractCegarLoop]: === Iteration 25 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:54:37,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:54:37,194 INFO L82 PathProgramCache]: Analyzing trace with hash -1621294586, now seen corresponding path program 1 times [2020-10-15 02:54:37,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:54:37,194 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [929967540] [2020-10-15 02:54:37,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:54:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:37,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:37,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:37,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:37,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:37,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:42,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:42,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-15 02:54:42,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:54:42,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-15 02:54:42,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:42,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:42,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 02:54:42,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-15 02:54:42,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-15 02:54:42,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:42,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:54:42,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:42,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:42,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:42,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:54:42,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:42,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:54:42,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:42,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:42,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:42,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:42,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:42,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:42,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:54:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:42,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:42,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:42,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:42,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:43,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-15 02:54:46,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:54:46,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3830 [2020-10-15 02:54:46,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:54:46,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:54:46,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:54:46,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:46,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 02:54:46,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:46,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:54:46,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:54:46,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:54:46,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:54:46,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:54:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:46,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:54:46,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:46,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:54:46,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:54:46,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:46,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:54:46,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-15 02:54:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:46,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 02:54:46,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:46,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:54:46,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:46,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-15 02:54:46,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:46,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 02:54:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:46,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:46,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:46,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:46,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:46,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:46,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:46,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 02:54:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:46,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 02:54:46,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:46,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:54:46,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:46,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-15 02:54:46,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:46,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:54:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:46,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:54:46,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:46,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:54:46,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:46,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:46,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:46,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-15 02:54:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:46,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 02:54:46,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:46,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:54:46,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:46,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-15 02:54:46,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:46,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:54:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:46,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:54:46,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:46,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:54:46,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:46,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:46,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:46,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-15 02:54:46,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:46,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:54:46,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:46,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-15 02:54:46,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:54:46,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:54:46,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 02:54:46,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:46,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:46,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:54:46,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:46,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:54:46,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:54:46,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:54:46,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:54:46,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-15 02:54:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:46,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:54:46,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:46,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 02:54:46,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:54:46,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:54:46,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-15 02:54:46,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:46,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:46,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:54:46,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:46,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:54:46,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:54:46,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:54:46,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 02:54:46,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-15 02:54:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:46,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:54:46,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:46,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 02:54:46,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:54:46,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:54:46,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 02:54:46,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:54:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:46,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:46,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:46,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:54:46,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:54:46,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:54:46,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:54:46,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-15 02:54:46,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:46,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:54:46,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:46,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:54:46,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:54:46,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:46,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 02:54:46,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:54:46,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:46,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:54:46,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:46,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:54:46,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:46,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:46,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:46,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-15 02:54:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:46,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-15 02:54:46,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:54:46,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-15 02:54:46,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:54:46,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-15 02:54:46,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-15 02:54:46,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:54:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:46,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:46,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:46,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:54:46,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:54:46,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:46,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:54:46,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:54:46,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:46,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:46,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:46,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:54:46,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:54:46,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:46,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:54:46,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 02:54:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:46,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:54:46,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:46,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:54:46,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:54:46,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:46,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:54:46,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:54:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:46,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:54:46,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:46,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:54:46,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:54:46,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:46,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:54:46,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 02:54:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:46,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:46,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:46,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:54:46,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:46,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:54:46,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:46,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:46,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:54:46,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:46,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:54:46,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:46,826 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 6 proven. 26 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2020-10-15 02:54:46,827 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [929967540] [2020-10-15 02:54:46,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:54:46,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-15 02:54:46,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769262196] [2020-10-15 02:54:46,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-15 02:54:46,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:54:46,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-15 02:54:46,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2020-10-15 02:54:46,828 INFO L87 Difference]: Start difference. First operand 2130 states and 2681 transitions. Second operand 20 states. [2020-10-15 02:54:49,220 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:54:51,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:54:51,995 INFO L93 Difference]: Finished difference Result 4463 states and 5594 transitions. [2020-10-15 02:54:51,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-15 02:54:51,996 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 199 [2020-10-15 02:54:51,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:54:52,007 INFO L225 Difference]: With dead ends: 4463 [2020-10-15 02:54:52,007 INFO L226 Difference]: Without dead ends: 2375 [2020-10-15 02:54:52,012 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=391, Invalid=1331, Unknown=0, NotChecked=0, Total=1722 [2020-10-15 02:54:52,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2375 states. [2020-10-15 02:54:52,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2375 to 2256. [2020-10-15 02:54:52,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2256 states. [2020-10-15 02:54:52,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2256 states to 2256 states and 2809 transitions. [2020-10-15 02:54:52,292 INFO L78 Accepts]: Start accepts. Automaton has 2256 states and 2809 transitions. Word has length 199 [2020-10-15 02:54:52,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:54:52,292 INFO L479 AbstractCegarLoop]: Abstraction has 2256 states and 2809 transitions. [2020-10-15 02:54:52,292 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-15 02:54:52,293 INFO L276 IsEmpty]: Start isEmpty. Operand 2256 states and 2809 transitions. [2020-10-15 02:54:52,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-15 02:54:52,298 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:54:52,298 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:54:52,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-15 02:54:52,299 INFO L427 AbstractCegarLoop]: === Iteration 26 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:54:52,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:54:52,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1557199647, now seen corresponding path program 2 times [2020-10-15 02:54:52,300 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:54:52,300 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1775249158] [2020-10-15 02:54:52,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:54:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:52,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:52,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:52,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:52,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:52,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:52,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:57,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:57,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-10-15 02:54:57,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:54:57,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-15 02:54:57,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:57,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:57,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 02:54:57,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-15 02:54:57,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 194 [2020-10-15 02:54:57,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:57,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:54:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:57,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:57,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:54:57,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:54:57,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:54:57,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:54:57,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:54:57,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:54:57,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:54:57,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:54:57,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:54:57,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:54:57,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:54:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:54:57,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:57,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:57,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:57,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:54:57,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:02,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:02,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-15 02:55:02,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:55:02,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-15 02:55:02,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:02,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:02,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:55:02,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:55:02,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-15 02:55:02,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:02,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:55:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:02,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:02,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:02,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-15 02:55:02,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:02,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:55:02,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:02,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:02,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:55:02,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:55:02,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-15 02:55:02,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:02,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:55:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:02,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:02,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:02,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:55:02,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:02,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:55:02,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:02,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:02,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:55:02,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:02,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:55:02,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:02,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-15 02:55:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:02,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:02,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:02,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:55:02,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:02,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:02,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:02,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:02,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:55:02,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:02,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:55:02,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:02,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-15 02:55:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:02,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:02,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:02,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 02:55:02,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:02,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:55:02,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:02,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:02,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:02,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-15 02:55:02,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:02,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:02,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 02:55:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:02,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:02,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:02,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:55:02,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:02,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:02,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:02,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:02,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:02,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:02,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:02,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:02,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-15 02:55:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:02,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:02,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:02,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 02:55:02,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:02,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:55:02,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:02,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:02,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:02,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-15 02:55:02,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:02,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:02,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:55:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:02,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:02,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:02,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:55:02,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:02,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:02,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:02,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:02,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:02,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:02,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:02,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:02,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 02:55:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:02,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:02,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:02,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 02:55:02,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:02,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:55:02,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:02,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:02,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:02,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-15 02:55:02,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:02,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:02,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:55:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:02,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:02,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:02,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:55:02,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:02,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:55:02,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:02,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:02,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:02,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:02,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:02,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:02,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-15 02:55:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:02,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:02,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:02,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:55:02,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:02,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-15 02:55:02,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:02,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:02,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:55:02,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:55:02,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 02:55:02,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:02,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:55:02,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:02,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:02,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:02,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:55:02,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:02,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:55:02,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:02,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:02,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:55:02,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:55:02,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:55:02,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:02,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-15 02:55:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:02,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:02,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:02,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:55:02,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:02,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 02:55:02,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:02,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:02,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:55:02,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:55:02,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-15 02:55:02,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:02,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:55:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:02,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:02,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:02,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:55:02,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:02,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:55:02,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:02,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:02,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:55:02,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:55:02,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 02:55:02,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:02,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-15 02:55:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:02,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:02,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:02,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:55:02,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:02,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 02:55:02,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:02,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:02,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:55:02,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:55:02,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 02:55:02,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:02,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:55:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:02,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:02,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:02,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:55:02,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:02,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:55:02,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:02,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:02,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:55:02,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:55:02,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:55:02,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:02,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-15 02:55:02,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:02,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:02,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:02,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:55:02,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:02,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:55:02,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:02,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:02,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:55:02,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:02,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 02:55:02,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:02,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:55:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:02,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:02,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:02,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:55:02,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:02,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:02,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:02,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:02,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:02,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:02,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:02,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:02,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-15 02:55:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:02,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:02,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:03,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:03,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-15 02:55:03,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:55:03,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-15 02:55:03,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:03,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:03,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:55:03,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-15 02:55:03,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-15 02:55:03,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:03,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:55:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:03,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:03,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:03,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:55:03,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:03,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:55:03,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:03,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:03,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:55:03,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:03,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:55:03,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:03,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:55:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:03,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:03,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:03,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:55:03,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:03,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:55:03,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:03,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:03,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:55:03,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:03,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:55:03,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:03,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 02:55:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:03,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:03,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:03,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:55:03,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:03,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:55:03,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:03,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:03,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:55:03,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:03,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:55:03,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:03,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:55:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:03,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:03,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:03,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:55:03,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:03,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:55:03,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:03,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:03,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:55:03,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:03,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:55:03,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:03,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 02:55:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:03,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:03,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:03,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:55:03,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:03,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:55:03,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:03,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:03,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:55:03,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:03,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:55:03,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:03,201 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 8 proven. 39 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2020-10-15 02:55:03,202 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1775249158] [2020-10-15 02:55:03,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:55:03,202 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-15 02:55:03,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909583839] [2020-10-15 02:55:03,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-15 02:55:03,203 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:55:03,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-15 02:55:03,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2020-10-15 02:55:03,204 INFO L87 Difference]: Start difference. First operand 2256 states and 2809 transitions. Second operand 21 states. [2020-10-15 02:55:05,655 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:55:07,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:55:07,896 INFO L93 Difference]: Finished difference Result 4593 states and 5723 transitions. [2020-10-15 02:55:07,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-15 02:55:07,896 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 210 [2020-10-15 02:55:07,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:55:07,907 INFO L225 Difference]: With dead ends: 4593 [2020-10-15 02:55:07,907 INFO L226 Difference]: Without dead ends: 2392 [2020-10-15 02:55:07,913 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=340, Invalid=1220, Unknown=0, NotChecked=0, Total=1560 [2020-10-15 02:55:07,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2392 states. [2020-10-15 02:55:08,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2392 to 2310. [2020-10-15 02:55:08,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2310 states. [2020-10-15 02:55:08,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2310 states to 2310 states and 2877 transitions. [2020-10-15 02:55:08,077 INFO L78 Accepts]: Start accepts. Automaton has 2310 states and 2877 transitions. Word has length 210 [2020-10-15 02:55:08,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:55:08,077 INFO L479 AbstractCegarLoop]: Abstraction has 2310 states and 2877 transitions. [2020-10-15 02:55:08,077 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-15 02:55:08,077 INFO L276 IsEmpty]: Start isEmpty. Operand 2310 states and 2877 transitions. [2020-10-15 02:55:08,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-15 02:55:08,080 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:55:08,081 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:55:08,081 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-15 02:55:08,081 INFO L427 AbstractCegarLoop]: === Iteration 27 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:55:08,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:55:08,081 INFO L82 PathProgramCache]: Analyzing trace with hash 418237328, now seen corresponding path program 1 times [2020-10-15 02:55:08,082 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:55:08,082 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1798955176] [2020-10-15 02:55:08,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:55:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:08,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:08,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:08,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:08,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:13,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:13,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:13,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-15 02:55:13,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:55:13,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-10-15 02:55:13,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:13,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:13,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 02:55:13,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-15 02:55:13,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 202 [2020-10-15 02:55:13,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:13,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:55:13,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:13,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:13,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:13,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:55:13,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:13,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:55:13,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:13,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:13,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:13,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:13,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:13,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:13,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:55:13,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:13,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:13,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:13,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:13,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:14,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:18,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:18,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-15 02:55:18,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:55:18,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-15 02:55:18,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:18,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:18,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:55:18,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:18,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-15 02:55:18,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:18,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:55:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:18,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:18,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:18,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:55:18,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:18,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:55:18,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:18,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:18,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:18,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:18,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:18,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:18,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:55:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:18,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:18,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:18,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:55:18,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:18,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:18,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:18,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:18,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:18,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:18,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:18,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:18,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-15 02:55:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:18,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:18,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:18,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 02:55:18,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:18,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:55:18,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:18,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:18,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:55:18,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:18,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 02:55:18,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:18,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 02:55:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:18,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:18,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:18,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:55:18,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:18,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:55:18,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:18,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:18,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:55:18,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:18,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:55:18,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:18,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-15 02:55:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:18,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:18,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:18,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 02:55:18,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:18,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:55:18,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:18,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:18,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:55:18,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:18,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-15 02:55:18,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:18,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:55:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:18,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:18,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:18,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:55:18,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:18,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:18,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:18,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:18,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:18,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:18,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:18,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:18,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 02:55:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:18,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:18,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:18,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 02:55:18,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:18,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:55:18,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:18,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:18,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:55:18,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:18,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 02:55:18,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:18,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:55:18,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:18,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:18,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:18,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:55:18,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:18,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:18,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:18,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:18,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:18,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:18,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:18,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:55:18,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-15 02:55:18,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:18,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:18,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:18,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:55:18,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:18,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-15 02:55:18,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:18,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:18,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:55:18,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:55:18,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 02:55:18,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:18,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:55:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:18,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:18,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:18,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:55:18,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:18,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:55:18,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:18,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:18,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:55:18,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:55:18,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:55:18,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:18,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-15 02:55:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:18,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:18,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:18,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:55:18,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:18,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 02:55:18,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:18,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:18,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:55:18,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:55:18,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-15 02:55:18,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:18,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:55:18,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:18,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:18,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:18,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:55:18,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:18,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:55:18,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:18,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:18,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:55:18,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:55:18,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 02:55:18,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:18,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-15 02:55:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:18,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:18,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:18,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:55:18,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:18,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-15 02:55:18,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:18,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:18,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:55:18,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:55:18,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 02:55:18,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:18,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:55:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:18,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:18,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:18,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:55:18,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:18,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:55:18,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:18,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:18,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:55:18,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:55:18,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:55:18,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:18,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-15 02:55:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:18,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:18,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:18,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:55:18,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:18,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:55:18,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:18,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:18,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:55:18,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:18,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 02:55:18,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:18,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:55:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:18,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:18,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:18,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:55:18,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:18,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:18,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:18,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:18,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:18,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:18,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:18,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:18,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-15 02:55:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:18,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:18,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:18,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-15 02:55:18,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:18,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-15 02:55:18,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:18,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:18,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:55:18,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-15 02:55:18,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:55:18,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:18,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:55:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:18,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:18,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:18,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:55:18,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:18,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:18,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:18,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:18,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:18,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:18,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:18,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:18,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:55:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:18,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:18,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:19,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:55:19,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:19,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:19,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:19,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:19,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:19,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:19,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:19,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:19,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 02:55:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:19,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:19,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:19,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:55:19,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:19,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:19,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:19,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:19,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:19,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:19,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:19,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:19,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:55:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:19,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:19,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:19,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:55:19,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:19,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:19,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:19,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:19,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:19,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:19,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:19,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:19,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 02:55:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:19,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:19,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:19,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:55:19,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:19,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:55:19,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:19,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:19,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:55:19,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:19,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:55:19,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:19,075 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 14 proven. 27 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-10-15 02:55:19,076 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1798955176] [2020-10-15 02:55:19,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:55:19,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-15 02:55:19,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575237407] [2020-10-15 02:55:19,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-15 02:55:19,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:55:19,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-15 02:55:19,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2020-10-15 02:55:19,078 INFO L87 Difference]: Start difference. First operand 2310 states and 2877 transitions. Second operand 22 states. [2020-10-15 02:55:26,148 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-15 02:55:27,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:55:27,462 INFO L93 Difference]: Finished difference Result 5031 states and 6329 transitions. [2020-10-15 02:55:27,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-15 02:55:27,463 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 196 [2020-10-15 02:55:27,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:55:27,479 INFO L225 Difference]: With dead ends: 5031 [2020-10-15 02:55:27,479 INFO L226 Difference]: Without dead ends: 3806 [2020-10-15 02:55:27,484 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 56 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 836 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=647, Invalid=2775, Unknown=0, NotChecked=0, Total=3422 [2020-10-15 02:55:27,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3806 states. [2020-10-15 02:55:27,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3806 to 3536. [2020-10-15 02:55:27,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3536 states. [2020-10-15 02:55:27,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3536 states to 3536 states and 4430 transitions. [2020-10-15 02:55:27,750 INFO L78 Accepts]: Start accepts. Automaton has 3536 states and 4430 transitions. Word has length 196 [2020-10-15 02:55:27,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:55:27,750 INFO L479 AbstractCegarLoop]: Abstraction has 3536 states and 4430 transitions. [2020-10-15 02:55:27,750 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-15 02:55:27,751 INFO L276 IsEmpty]: Start isEmpty. Operand 3536 states and 4430 transitions. [2020-10-15 02:55:27,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-10-15 02:55:27,754 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:55:27,754 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:55:27,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-15 02:55:27,755 INFO L427 AbstractCegarLoop]: === Iteration 28 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:55:27,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:55:27,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1921438379, now seen corresponding path program 1 times [2020-10-15 02:55:27,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:55:27,755 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [22821625] [2020-10-15 02:55:27,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:55:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:27,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:27,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:27,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:27,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:28,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:29,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:32,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:32,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-15 02:55:32,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:55:32,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-15 02:55:32,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:32,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:32,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-15 02:55:32,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 109 [2020-10-15 02:55:32,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-15 02:55:32,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:32,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:55:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:32,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:32,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:32,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:55:32,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:32,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:55:32,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:32,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:32,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:32,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:32,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:32,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:32,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:55:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:32,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:32,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:32,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:32,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:33,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:34,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:34,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-15 02:55:34,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:55:34,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1284 [2020-10-15 02:55:34,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:34,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:34,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:55:34,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-15 02:55:34,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:55:34,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:34,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:55:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:34,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:34,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:34,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:55:34,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:34,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:55:34,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:34,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:34,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:34,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:34,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:34,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:34,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:55:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:34,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:34,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:34,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:55:34,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:34,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:55:34,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:34,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:34,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:34,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:34,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:34,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:34,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-15 02:55:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:34,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:34,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:34,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 02:55:34,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:34,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:55:34,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:34,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:34,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:55:34,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:34,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 02:55:34,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:34,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 02:55:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:34,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:34,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:34,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:55:34,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:34,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:34,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:34,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:34,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:34,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:34,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:34,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:34,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-15 02:55:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:34,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:34,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:34,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 02:55:34,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:34,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:55:34,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:34,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:34,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:34,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-15 02:55:34,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:34,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:34,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:55:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:34,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:34,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:34,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:55:34,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:34,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:34,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:34,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:34,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:34,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:34,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:34,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:34,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 02:55:34,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:34,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:34,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:34,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 02:55:34,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:34,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:55:34,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:34,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:34,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:34,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-15 02:55:34,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:34,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:34,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:55:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:34,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:34,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:34,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:55:34,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:34,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:55:34,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:34,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:34,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:34,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:34,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:34,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:34,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-15 02:55:34,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:34,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:34,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:34,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:55:34,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:34,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:55:34,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:34,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:34,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:55:34,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:34,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 02:55:34,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:34,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:55:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:34,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:34,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:34,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:55:34,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:34,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:34,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:34,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:34,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:34,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:34,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:34,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:34,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-15 02:55:34,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:34,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:34,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:34,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:55:34,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:34,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:55:34,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:34,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:34,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:55:34,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:34,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 02:55:34,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:34,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:55:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:34,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:34,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:34,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:55:34,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:34,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:34,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:34,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:34,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:34,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:34,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:34,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:34,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-15 02:55:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:34,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:34,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:34,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:55:34,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:34,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:55:34,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:34,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:34,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:55:34,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:34,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 02:55:34,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:34,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:55:34,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:34,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:34,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:34,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:55:34,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:34,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:55:34,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:34,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:34,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:34,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:34,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:34,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:34,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-15 02:55:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:34,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:34,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:34,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:55:34,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:34,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 02:55:34,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:34,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:34,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 02:55:34,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:55:34,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 02:55:34,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:34,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:55:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:34,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:34,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:34,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:55:34,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:34,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:55:34,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:34,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:34,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:55:34,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:34,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:55:34,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:34,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-15 02:55:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:34,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:34,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:34,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-15 02:55:34,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:34,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-15 02:55:34,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:34,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:34,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:55:34,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-15 02:55:34,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-15 02:55:34,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:34,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:55:34,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:34,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:34,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:34,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:55:34,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:34,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:34,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:34,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:34,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:34,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:34,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:34,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:34,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:55:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:34,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:34,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:34,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:55:34,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:34,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:34,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:34,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:34,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:34,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:34,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:34,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:55:34,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 02:55:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:34,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:34,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:34,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:55:34,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:34,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:55:34,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:34,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:34,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:55:34,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:34,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:55:34,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:55:34,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:55:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:34,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:34,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:34,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:55:34,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:34,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:55:34,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:34,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:34,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:55:34,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:34,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:55:34,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:34,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 02:55:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:34,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:34,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:34,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:55:34,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:34,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:55:34,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:34,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:34,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:55:34,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:34,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:55:34,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:34,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-15 02:55:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:34,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:34,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:34,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:55:34,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:34,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:55:34,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:34,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:34,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:55:34,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:34,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:55:34,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:55:34,863 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2020-10-15 02:55:34,863 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [22821625] [2020-10-15 02:55:34,863 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:55:34,863 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-15 02:55:34,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304509926] [2020-10-15 02:55:34,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-15 02:55:34,866 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:55:34,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-15 02:55:34,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=453, Unknown=0, NotChecked=0, Total=506 [2020-10-15 02:55:34,867 INFO L87 Difference]: Start difference. First operand 3536 states and 4430 transitions. Second operand 23 states. [2020-10-15 02:55:40,310 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 93 [2020-10-15 02:55:40,506 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 94 [2020-10-15 02:55:40,702 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 96 [2020-10-15 02:55:41,103 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 97 [2020-10-15 02:55:45,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:55:45,533 INFO L93 Difference]: Finished difference Result 6281 states and 8163 transitions. [2020-10-15 02:55:45,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-10-15 02:55:45,534 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 201 [2020-10-15 02:55:45,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:55:45,546 INFO L225 Difference]: With dead ends: 6281 [2020-10-15 02:55:45,547 INFO L226 Difference]: Without dead ends: 3680 [2020-10-15 02:55:45,555 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1236 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=741, Invalid=4229, Unknown=0, NotChecked=0, Total=4970 [2020-10-15 02:55:45,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3680 states. [2020-10-15 02:55:45,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3680 to 2796. [2020-10-15 02:55:45,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2796 states. [2020-10-15 02:55:45,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 3645 transitions. [2020-10-15 02:55:45,808 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 3645 transitions. Word has length 201 [2020-10-15 02:55:45,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:55:45,809 INFO L479 AbstractCegarLoop]: Abstraction has 2796 states and 3645 transitions. [2020-10-15 02:55:45,809 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-15 02:55:45,809 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 3645 transitions. [2020-10-15 02:55:45,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-10-15 02:55:45,812 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:55:45,812 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 6, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:55:45,812 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-15 02:55:45,812 INFO L427 AbstractCegarLoop]: === Iteration 29 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:55:45,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:55:45,813 INFO L82 PathProgramCache]: Analyzing trace with hash 1292644882, now seen corresponding path program 1 times [2020-10-15 02:55:45,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:55:45,813 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [841235154] [2020-10-15 02:55:45,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:55:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:45,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:45,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:45,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:48,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:48,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 283 [2020-10-15 02:55:48,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:55:48,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2380 [2020-10-15 02:55:48,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:48,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:48,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:55:48,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 133 [2020-10-15 02:55:48,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:55:48,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:48,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:55:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:48,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:48,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:48,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:55:48,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:48,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:55:48,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:48,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:48,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:48,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:48,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:48,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:48,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:55:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:48,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:48,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:48,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:48,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:48,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-15 02:55:48,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:55:48,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 367 [2020-10-15 02:55:48,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:48,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:48,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:55:48,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-15 02:55:48,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:55:48,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:48,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:55:48,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:48,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:48,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:48,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:55:48,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:48,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:55:48,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:48,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:48,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:55:48,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:48,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 02:55:48,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:48,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:55:48,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:48,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:48,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:48,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:55:48,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:48,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:48,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:48,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:48,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:48,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:48,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:48,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:48,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-15 02:55:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:48,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:48,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:48,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-15 02:55:48,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:48,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:55:48,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:48,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:48,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:48,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-15 02:55:48,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:48,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:48,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 02:55:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:48,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:48,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:48,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:55:48,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:48,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:48,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:48,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:48,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:48,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:48,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:48,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:55:48,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-15 02:55:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:48,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:48,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:48,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:55:48,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:48,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:48,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:48,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:48,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:48,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:48,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:48,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:55:48,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 02:55:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:48,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:48,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:48,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:55:48,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:48,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:48,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:48,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:48,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:48,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:48,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:48,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:48,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 02:55:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:48,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:48,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:48,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 02:55:48,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:48,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:55:48,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:48,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:48,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:48,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-15 02:55:48,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:48,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:55:48,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:55:48,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:48,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:48,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:48,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:55:48,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:48,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:48,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:48,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:48,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:48,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:48,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:48,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:55:48,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-15 02:55:48,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:48,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:48,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:48,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 02:55:48,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:48,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:55:48,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:48,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:48,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:48,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-15 02:55:48,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:48,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:48,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:55:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:48,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:48,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:48,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:55:48,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:48,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:48,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:48,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:48,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:48,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:48,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:48,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:48,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-15 02:55:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:48,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:48,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:48,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:55:48,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:48,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:55:48,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:48,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:48,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:48,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 02:55:48,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:48,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:48,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:55:48,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:48,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:48,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:48,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:55:48,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:48,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:55:48,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:48,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:48,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:48,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:48,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:48,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:48,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-15 02:55:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:48,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:48,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:48,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:55:48,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:48,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:55:48,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:48,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:48,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:48,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-15 02:55:48,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:48,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:48,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:55:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:48,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:48,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:48,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:55:48,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:48,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:55:48,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:48,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:48,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:48,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:48,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:48,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:55:48,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-15 02:55:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:48,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:49,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:49,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 02:55:49,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:49,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 02:55:49,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:49,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:49,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:49,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 02:55:49,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:49,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:49,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 02:55:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:49,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:49,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:49,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:55:49,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:49,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:55:49,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:49,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:49,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:49,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:49,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:49,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:55:49,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-15 02:55:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:49,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:49,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:49,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:55:49,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:49,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:55:49,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:49,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:49,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:49,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-15 02:55:49,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:49,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:49,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:55:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:49,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:49,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:49,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:55:49,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:49,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:55:49,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:49,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:49,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:49,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:49,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:49,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:49,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-15 02:55:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:49,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:49,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:49,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-15 02:55:49,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:49,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:55:49,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:49,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:49,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:49,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-15 02:55:49,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:49,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:49,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:55:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:49,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:49,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:49,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:55:49,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:49,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:49,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:49,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:49,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:49,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:49,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:49,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:49,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 02:55:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:49,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:49,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:49,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:55:49,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:49,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:49,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:49,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:49,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:49,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:49,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:49,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:49,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 02:55:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:49,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:49,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:49,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:55:49,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:49,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:55:49,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:49,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:49,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:49,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:49,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:49,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:49,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 02:55:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:49,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:49,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:49,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:55:49,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:49,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:55:49,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:49,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:49,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:49,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:49,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:49,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:49,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 02:55:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:49,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:49,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:49,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:55:49,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:49,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:55:49,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:49,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:49,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:49,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:49,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:49,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:49,160 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2020-10-15 02:55:49,160 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [841235154] [2020-10-15 02:55:49,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:55:49,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-15 02:55:49,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118846376] [2020-10-15 02:55:49,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 02:55:49,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:55:49,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 02:55:49,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:55:49,161 INFO L87 Difference]: Start difference. First operand 2796 states and 3645 transitions. Second operand 12 states. [2020-10-15 02:55:51,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:55:51,375 INFO L93 Difference]: Finished difference Result 4604 states and 6059 transitions. [2020-10-15 02:55:51,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 02:55:51,376 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 225 [2020-10-15 02:55:51,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:55:51,383 INFO L225 Difference]: With dead ends: 4604 [2020-10-15 02:55:51,384 INFO L226 Difference]: Without dead ends: 2479 [2020-10-15 02:55:51,389 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2020-10-15 02:55:51,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2479 states. [2020-10-15 02:55:51,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2479 to 2355. [2020-10-15 02:55:51,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2355 states. [2020-10-15 02:55:51,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2355 states to 2355 states and 3111 transitions. [2020-10-15 02:55:51,647 INFO L78 Accepts]: Start accepts. Automaton has 2355 states and 3111 transitions. Word has length 225 [2020-10-15 02:55:51,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:55:51,647 INFO L479 AbstractCegarLoop]: Abstraction has 2355 states and 3111 transitions. [2020-10-15 02:55:51,648 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 02:55:51,648 INFO L276 IsEmpty]: Start isEmpty. Operand 2355 states and 3111 transitions. [2020-10-15 02:55:51,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-10-15 02:55:51,650 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:55:51,650 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 8, 6, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:55:51,650 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-15 02:55:51,650 INFO L427 AbstractCegarLoop]: === Iteration 30 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:55:51,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:55:51,650 INFO L82 PathProgramCache]: Analyzing trace with hash 376484412, now seen corresponding path program 1 times [2020-10-15 02:55:51,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:55:51,651 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [310770843] [2020-10-15 02:55:51,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:55:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:51,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:51,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:51,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:51,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:51,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:56,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:56,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 312 [2020-10-15 02:55:56,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:55:56,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-15 02:55:56,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:56,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:56,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 02:55:56,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-15 02:55:56,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 240 [2020-10-15 02:55:56,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:56,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:55:56,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:56,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:56,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:55:56,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:55:56,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:55:56,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:55:56,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:55:56,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:55:56,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:55:56,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:55:56,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:55:56,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:55:56,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:55:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:55:56,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:56,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:56,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:55:56,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking...