/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=BIGGEST --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.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 19:07:15,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 19:07:15,620 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 19:07:15,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 19:07:15,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 19:07:15,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 19:07:15,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 19:07:15,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 19:07:15,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 19:07:15,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 19:07:15,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 19:07:15,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 19:07:15,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 19:07:15,659 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 19:07:15,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 19:07:15,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 19:07:15,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 19:07:15,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 19:07:15,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 19:07:15,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 19:07:15,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 19:07:15,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 19:07:15,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 19:07:15,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 19:07:15,673 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 19:07:15,673 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 19:07:15,673 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 19:07:15,674 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 19:07:15,675 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 19:07:15,676 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 19:07:15,676 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 19:07:15,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 19:07:15,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 19:07:15,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 19:07:15,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 19:07:15,679 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 19:07:15,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 19:07:15,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 19:07:15,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 19:07:15,681 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 19:07:15,682 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 19:07:15,683 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 [2020-10-12 19:07:15,706 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 19:07:15,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 19:07:15,707 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 19:07:15,707 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 19:07:15,708 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 19:07:15,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 19:07:15,708 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 19:07:15,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 19:07:15,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 19:07:15,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 19:07:15,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 19:07:15,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 19:07:15,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 19:07:15,709 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 19:07:15,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 19:07:15,710 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 19:07:15,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 19:07:15,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 19:07:15,710 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 19:07:15,711 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 19:07:15,711 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 19:07:15,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 19:07:15,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 19:07:15,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 19:07:15,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 19:07:15,712 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 19:07:15,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 19:07:15,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 19:07:15,712 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 19:07:15,713 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 19:07:16,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 19:07:16,018 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 19:07:16,021 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 19:07:16,023 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 19:07:16,023 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 19:07:16,024 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c [2020-10-12 19:07:16,085 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/017e5f757/af5ffaeb970444ee9ef5e6f37280a7c2/FLAGc0b58cc31 [2020-10-12 19:07:16,593 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 19:07:16,593 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c [2020-10-12 19:07:16,614 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/017e5f757/af5ffaeb970444ee9ef5e6f37280a7c2/FLAGc0b58cc31 [2020-10-12 19:07:16,938 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/017e5f757/af5ffaeb970444ee9ef5e6f37280a7c2 [2020-10-12 19:07:16,948 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 19:07:16,950 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 19:07:16,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 19:07:16,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 19:07:16,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 19:07:16,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 07:07:16" (1/1) ... [2020-10-12 19:07:16,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69410267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:07:16, skipping insertion in model container [2020-10-12 19:07:16,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 07:07:16" (1/1) ... [2020-10-12 19:07:16,970 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 19:07:17,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 19:07:17,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 19:07:17,382 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 19:07:17,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 19:07:17,475 INFO L208 MainTranslator]: Completed translation [2020-10-12 19:07:17,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:07:17 WrapperNode [2020-10-12 19:07:17,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 19:07:17,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 19:07:17,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 19:07:17,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 19:07:17,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:07:17" (1/1) ... [2020-10-12 19:07:17,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:07:17" (1/1) ... [2020-10-12 19:07:17,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:07:17" (1/1) ... [2020-10-12 19:07:17,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:07:17" (1/1) ... [2020-10-12 19:07:17,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:07:17" (1/1) ... [2020-10-12 19:07:17,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:07:17" (1/1) ... [2020-10-12 19:07:17,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:07:17" (1/1) ... [2020-10-12 19:07:17,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 19:07:17,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 19:07:17,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 19:07:17,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 19:07:17,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:07:17" (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 [2020-10-12 19:07:17,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 19:07:17,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 19:07:17,646 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-12 19:07:17,646 INFO L138 BoogieDeclarations]: Found implementation of procedure add_history_type [2020-10-12 19:07:17,646 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_int8 [2020-10-12 19:07:17,646 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_bool [2020-10-12 19:07:17,646 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_int8 [2020-10-12 19:07:17,647 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_bool [2020-10-12 19:07:17,647 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-12 19:07:17,647 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-12 19:07:17,647 INFO L138 BoogieDeclarations]: Found implementation of procedure gate1_each_pals_period [2020-10-12 19:07:17,647 INFO L138 BoogieDeclarations]: Found implementation of procedure gate2_each_pals_period [2020-10-12 19:07:17,647 INFO L138 BoogieDeclarations]: Found implementation of procedure gate3_each_pals_period [2020-10-12 19:07:17,648 INFO L138 BoogieDeclarations]: Found implementation of procedure voter [2020-10-12 19:07:17,648 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 19:07:17,648 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-12 19:07:17,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 19:07:17,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-12 19:07:17,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-12 19:07:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-12 19:07:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-12 19:07:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-12 19:07:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-12 19:07:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-12 19:07:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_bool [2020-10-12 19:07:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_int8 [2020-10-12 19:07:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure add_history_type [2020-10-12 19:07:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_int8 [2020-10-12 19:07:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_bool [2020-10-12 19:07:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-12 19:07:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-12 19:07:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure gate1_each_pals_period [2020-10-12 19:07:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure gate2_each_pals_period [2020-10-12 19:07:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure gate3_each_pals_period [2020-10-12 19:07:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure voter [2020-10-12 19:07:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 19:07:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 19:07:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 19:07:18,443 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 19:07:18,443 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-12 19:07:18,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 07:07:18 BoogieIcfgContainer [2020-10-12 19:07:18,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 19:07:18,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 19:07:18,451 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 19:07:18,455 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 19:07:18,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 07:07:16" (1/3) ... [2020-10-12 19:07:18,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53d27f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 07:07:18, skipping insertion in model container [2020-10-12 19:07:18,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:07:17" (2/3) ... [2020-10-12 19:07:18,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53d27f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 07:07:18, skipping insertion in model container [2020-10-12 19:07:18,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 07:07:18" (3/3) ... [2020-10-12 19:07:18,458 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c [2020-10-12 19:07:18,469 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 19:07:18,477 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 19:07:18,492 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 19:07:18,518 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 19:07:18,519 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 19:07:18,519 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 19:07:18,519 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 19:07:18,519 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 19:07:18,520 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 19:07:18,520 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 19:07:18,520 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 19:07:18,545 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2020-10-12 19:07:18,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-12 19:07:18,554 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:18,555 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] [2020-10-12 19:07:18,556 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:18,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:18,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1786522788, now seen corresponding path program 1 times [2020-10-12 19:07:18,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:18,569 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1155569766] [2020-10-12 19:07:18,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:18,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:19,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:19,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 19:07:19,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:19,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 348 [2020-10-12 19:07:19,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:19,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:19,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-12 19:07:19,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 19:07:19,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 19:07:19,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:19,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:19,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:19,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:19,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:19,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:19,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 19:07:19,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:19,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:19,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:19,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:19,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:19,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 19:07:19,318 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1155569766] [2020-10-12 19:07:19,320 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:07:19,321 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 19:07:19,322 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025972315] [2020-10-12 19:07:19,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 19:07:19,328 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:19,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 19:07:19,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 19:07:19,347 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 5 states. [2020-10-12 19:07:20,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:20,930 INFO L93 Difference]: Finished difference Result 430 states and 710 transitions. [2020-10-12 19:07:20,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 19:07:20,932 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-10-12 19:07:20,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:20,956 INFO L225 Difference]: With dead ends: 430 [2020-10-12 19:07:20,956 INFO L226 Difference]: Without dead ends: 223 [2020-10-12 19:07:20,968 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 [2020-10-12 19:07:20,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2020-10-12 19:07:21,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 217. [2020-10-12 19:07:21,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-10-12 19:07:21,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 325 transitions. [2020-10-12 19:07:21,056 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 325 transitions. Word has length 21 [2020-10-12 19:07:21,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:21,057 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 325 transitions. [2020-10-12 19:07:21,057 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 19:07:21,057 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 325 transitions. [2020-10-12 19:07:21,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-12 19:07:21,062 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:21,062 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] [2020-10-12 19:07:21,067 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 19:07:21,068 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:21,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:21,068 INFO L82 PathProgramCache]: Analyzing trace with hash 2077823004, now seen corresponding path program 1 times [2020-10-12 19:07:21,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:21,069 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [409734939] [2020-10-12 19:07:21,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:21,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:21,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:21,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:21,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:21,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 19:07:21,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:07:21,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 500 [2020-10-12 19:07:21,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:21,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:21,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 19:07:21,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:07:21,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11 [2020-10-12 19:07:21,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:21,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:21,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:21,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:21,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:21,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 19:07:21,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:21,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:21,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:21,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:21,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:21,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 19:07:21,764 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [409734939] [2020-10-12 19:07:21,765 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:07:21,765 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 19:07:21,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937119387] [2020-10-12 19:07:21,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 19:07:21,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:21,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 19:07:21,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 19:07:21,768 INFO L87 Difference]: Start difference. First operand 217 states and 325 transitions. Second operand 5 states. [2020-10-12 19:07:23,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:23,204 INFO L93 Difference]: Finished difference Result 451 states and 685 transitions. [2020-10-12 19:07:23,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 19:07:23,205 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-12 19:07:23,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:23,209 INFO L225 Difference]: With dead ends: 451 [2020-10-12 19:07:23,209 INFO L226 Difference]: Without dead ends: 243 [2020-10-12 19:07:23,211 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 [2020-10-12 19:07:23,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-10-12 19:07:23,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 236. [2020-10-12 19:07:23,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-10-12 19:07:23,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 349 transitions. [2020-10-12 19:07:23,251 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 349 transitions. Word has length 22 [2020-10-12 19:07:23,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:23,252 INFO L479 AbstractCegarLoop]: Abstraction has 236 states and 349 transitions. [2020-10-12 19:07:23,252 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 19:07:23,252 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 349 transitions. [2020-10-12 19:07:23,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-12 19:07:23,254 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:23,254 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] [2020-10-12 19:07:23,254 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 19:07:23,255 INFO L427 AbstractCegarLoop]: === Iteration 3 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:23,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:23,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1486472631, now seen corresponding path program 1 times [2020-10-12 19:07:23,255 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:23,255 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2118170637] [2020-10-12 19:07:23,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:23,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:23,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:23,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:23,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:23,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-12 19:07:23,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:07:23,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 199 [2020-10-12 19:07:23,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:23,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:23,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-12 19:07:23,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:07:23,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:23,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:23,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:23,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:23,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:23,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:23,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:07:23,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:23,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:23,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:23,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:23,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:23,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 19:07:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:23,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:23,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:23,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:23,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:23,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:07:23,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:07:23,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:23,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:23,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 19:07:23,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 19:07:23,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:23,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 19:07:23,600 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2118170637] [2020-10-12 19:07:23,600 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 19:07:23,600 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 19:07:23,601 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423261533] [2020-10-12 19:07:23,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 19:07:23,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:23,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 19:07:23,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-12 19:07:23,602 INFO L87 Difference]: Start difference. First operand 236 states and 349 transitions. Second operand 6 states. [2020-10-12 19:07:25,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:25,307 INFO L93 Difference]: Finished difference Result 498 states and 755 transitions. [2020-10-12 19:07:25,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 19:07:25,308 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-10-12 19:07:25,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:25,313 INFO L225 Difference]: With dead ends: 498 [2020-10-12 19:07:25,313 INFO L226 Difference]: Without dead ends: 281 [2020-10-12 19:07:25,315 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-10-12 19:07:25,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2020-10-12 19:07:25,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 245. [2020-10-12 19:07:25,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2020-10-12 19:07:25,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 359 transitions. [2020-10-12 19:07:25,351 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 359 transitions. Word has length 30 [2020-10-12 19:07:25,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:25,352 INFO L479 AbstractCegarLoop]: Abstraction has 245 states and 359 transitions. [2020-10-12 19:07:25,352 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 19:07:25,352 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 359 transitions. [2020-10-12 19:07:25,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-12 19:07:25,354 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:25,354 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-12 19:07:25,354 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 19:07:25,354 INFO L427 AbstractCegarLoop]: === Iteration 4 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:25,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:25,355 INFO L82 PathProgramCache]: Analyzing trace with hash 945067902, now seen corresponding path program 1 times [2020-10-12 19:07:25,355 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:25,355 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1090308199] [2020-10-12 19:07:25,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:25,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:25,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:25,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:25,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:25,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:25,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:27,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:27,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 19:07:27,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 19:07:27,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1752 [2020-10-12 19:07:27,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:27,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:27,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-12 19:07:27,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:07:27,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:27,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:27,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:27,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:27,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:27,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:27,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:07:27,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:27,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:27,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:27,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:27,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:27,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 19:07:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:27,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:27,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:27,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:27,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:27,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 19:07:27,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:07:27,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-12 19:07:27,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:27,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:27,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 19:07:27,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 19:07:27,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:27,291 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 19:07:27,292 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1090308199] [2020-10-12 19:07:27,294 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 19:07:27,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 19:07:27,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134859290] [2020-10-12 19:07:27,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 19:07:27,295 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:27,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 19:07:27,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-12 19:07:27,296 INFO L87 Difference]: Start difference. First operand 245 states and 359 transitions. Second operand 7 states. [2020-10-12 19:07:27,808 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 96 [2020-10-12 19:07:28,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:28,903 INFO L93 Difference]: Finished difference Result 489 states and 724 transitions. [2020-10-12 19:07:28,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 19:07:28,904 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2020-10-12 19:07:28,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:28,906 INFO L225 Difference]: With dead ends: 489 [2020-10-12 19:07:28,907 INFO L226 Difference]: Without dead ends: 246 [2020-10-12 19:07:28,909 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-10-12 19:07:28,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-10-12 19:07:28,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 242. [2020-10-12 19:07:28,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-10-12 19:07:28,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 350 transitions. [2020-10-12 19:07:28,939 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 350 transitions. Word has length 36 [2020-10-12 19:07:28,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:28,939 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 350 transitions. [2020-10-12 19:07:28,939 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 19:07:28,939 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 350 transitions. [2020-10-12 19:07:28,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-12 19:07:28,941 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:28,941 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:07:28,941 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 19:07:28,941 INFO L427 AbstractCegarLoop]: === Iteration 5 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:28,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:28,942 INFO L82 PathProgramCache]: Analyzing trace with hash 588262678, now seen corresponding path program 1 times [2020-10-12 19:07:28,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:28,942 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [122561058] [2020-10-12 19:07:28,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:28,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:28,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:29,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:29,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-12 19:07:29,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:07:29,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 525 [2020-10-12 19:07:29,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:29,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:07:29,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-12 19:07:29,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 19:07:29,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:29,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:29,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:29,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:29,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:29,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:29,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:07:29,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:29,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:29,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:29,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:29,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:29,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:29,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:29,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:29,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 19:07:29,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:29,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-12 19:07:29,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:29,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:29,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:29,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 19:07:29,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:29,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:29,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:29,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:29,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 19:07:29,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:29,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:07:29,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:29,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:29,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:29,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:29,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:29,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:07:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:29,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:29,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:29,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:29,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:29,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:29,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:29,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:29,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:29,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:29,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:29,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 19:07:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:29,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:29,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:29,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:29,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:29,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:07:29,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:29,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:07:29,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 19:07:29,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:07:29,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:29,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 19:07:29,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [122561058] [2020-10-12 19:07:29,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:07:29,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-12 19:07:29,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163211690] [2020-10-12 19:07:29,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 19:07:29,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:29,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 19:07:29,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-12 19:07:29,805 INFO L87 Difference]: Start difference. First operand 242 states and 350 transitions. Second operand 8 states. [2020-10-12 19:07:31,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:31,462 INFO L93 Difference]: Finished difference Result 428 states and 627 transitions. [2020-10-12 19:07:31,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 19:07:31,462 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 45 [2020-10-12 19:07:31,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:31,465 INFO L225 Difference]: With dead ends: 428 [2020-10-12 19:07:31,465 INFO L226 Difference]: Without dead ends: 246 [2020-10-12 19:07:31,467 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-12 19:07:31,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-10-12 19:07:31,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 242. [2020-10-12 19:07:31,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-10-12 19:07:31,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 346 transitions. [2020-10-12 19:07:31,531 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 346 transitions. Word has length 45 [2020-10-12 19:07:31,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:31,532 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 346 transitions. [2020-10-12 19:07:31,532 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 19:07:31,532 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 346 transitions. [2020-10-12 19:07:31,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-12 19:07:31,541 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:31,542 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] [2020-10-12 19:07:31,542 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 19:07:31,542 INFO L427 AbstractCegarLoop]: === Iteration 6 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:31,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:31,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1278407273, now seen corresponding path program 1 times [2020-10-12 19:07:31,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:31,543 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2098154206] [2020-10-12 19:07:31,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:31,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:31,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:31,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:31,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:32,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:34,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:34,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-12 19:07:34,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 19:07:34,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2448 [2020-10-12 19:07:34,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:34,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:07:34,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-12 19:07:34,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:07:34,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:34,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:34,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:34,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:34,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:34,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:34,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:34,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 19:07:34,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:34,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:34,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:34,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:34,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:34,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 19:07:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:34,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:34,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:34,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 19:07:34,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:34,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 19:07:34,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:34,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:34,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:34,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 19:07:34,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:34,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:07:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:34,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:34,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:34,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:34,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:34,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:34,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:34,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:34,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:34,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:34,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:34,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 19:07:34,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:34,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:34,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:34,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 19:07:34,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:34,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:07:34,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:34,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:34,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 19:07:34,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:34,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:34,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:07:34,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:34,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:34,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:34,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:34,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:34,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:34,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:34,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:34,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:34,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:34,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:34,243 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-12 19:07:34,244 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2098154206] [2020-10-12 19:07:34,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 19:07:34,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 19:07:34,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315534955] [2020-10-12 19:07:34,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 19:07:34,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:34,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 19:07:34,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-12 19:07:34,246 INFO L87 Difference]: Start difference. First operand 242 states and 346 transitions. Second operand 6 states. [2020-10-12 19:07:35,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:35,596 INFO L93 Difference]: Finished difference Result 474 states and 682 transitions. [2020-10-12 19:07:35,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 19:07:35,597 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2020-10-12 19:07:35,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:35,601 INFO L225 Difference]: With dead ends: 474 [2020-10-12 19:07:35,602 INFO L226 Difference]: Without dead ends: 250 [2020-10-12 19:07:35,605 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-12 19:07:35,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2020-10-12 19:07:35,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 242. [2020-10-12 19:07:35,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-10-12 19:07:35,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 345 transitions. [2020-10-12 19:07:35,643 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 345 transitions. Word has length 56 [2020-10-12 19:07:35,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:35,643 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 345 transitions. [2020-10-12 19:07:35,644 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 19:07:35,644 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 345 transitions. [2020-10-12 19:07:35,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-12 19:07:35,646 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:35,647 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, 1, 1, 1] [2020-10-12 19:07:35,647 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 19:07:35,647 INFO L427 AbstractCegarLoop]: === Iteration 7 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:35,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:35,647 INFO L82 PathProgramCache]: Analyzing trace with hash -341695396, now seen corresponding path program 1 times [2020-10-12 19:07:35,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:35,649 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [707003269] [2020-10-12 19:07:35,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:35,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:35,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:35,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:35,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:35,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:36,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:37,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:37,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 19:07:37,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 19:07:37,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1708 [2020-10-12 19:07:37,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:37,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:07:37,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-12 19:07:37,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:07:37,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:37,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:37,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:37,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:37,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:37,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:37,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 19:07:37,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:37,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:37,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:37,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:37,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:37,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 19:07:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:37,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:37,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:37,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:37,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 19:07:37,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:07:37,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 19:07:37,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:37,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:37,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 19:07:37,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 19:07:37,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:37,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:07:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:37,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:37,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:37,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:37,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:37,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:07:37,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:37,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:37,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:37,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:07:37,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:37,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 19:07:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:37,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:37,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:37,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 19:07:37,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:37,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 19:07:37,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:37,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:37,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:37,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:07:37,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:37,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:07:37,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:37,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:37,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:37,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:37,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:37,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:37,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:37,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:37,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:37,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:37,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:37,630 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-12 19:07:37,630 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [707003269] [2020-10-12 19:07:37,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 19:07:37,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 19:07:37,632 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67490725] [2020-10-12 19:07:37,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 19:07:37,633 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:37,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 19:07:37,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-12 19:07:37,635 INFO L87 Difference]: Start difference. First operand 242 states and 345 transitions. Second operand 8 states. [2020-10-12 19:07:39,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:39,641 INFO L93 Difference]: Finished difference Result 532 states and 767 transitions. [2020-10-12 19:07:39,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 19:07:39,641 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-10-12 19:07:39,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:39,645 INFO L225 Difference]: With dead ends: 532 [2020-10-12 19:07:39,645 INFO L226 Difference]: Without dead ends: 299 [2020-10-12 19:07:39,646 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2020-10-12 19:07:39,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2020-10-12 19:07:39,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 267. [2020-10-12 19:07:39,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2020-10-12 19:07:39,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 378 transitions. [2020-10-12 19:07:39,673 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 378 transitions. Word has length 59 [2020-10-12 19:07:39,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:39,674 INFO L479 AbstractCegarLoop]: Abstraction has 267 states and 378 transitions. [2020-10-12 19:07:39,674 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 19:07:39,674 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 378 transitions. [2020-10-12 19:07:39,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-12 19:07:39,675 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:39,675 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:07:39,675 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 19:07:39,676 INFO L427 AbstractCegarLoop]: === Iteration 8 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:39,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:39,676 INFO L82 PathProgramCache]: Analyzing trace with hash -678015, now seen corresponding path program 1 times [2020-10-12 19:07:39,676 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:39,676 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1667593687] [2020-10-12 19:07:39,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:39,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:40,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:42,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:42,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-12 19:07:42,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 19:07:42,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2325 [2020-10-12 19:07:42,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:42,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:07:42,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 19:07:42,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 19:07:42,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:42,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:42,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:42,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:42,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:42,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:42,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:42,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:07:42,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:42,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:42,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:42,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:42,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:42,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 19:07:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:42,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:42,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:42,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 19:07:42,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:42,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-12 19:07:42,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:42,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:07:42,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 19:07:42,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 19:07:42,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:42,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:07:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:42,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:42,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:42,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:42,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:42,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 19:07:42,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:42,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:42,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:42,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:07:42,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-12 19:07:42,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:07:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:42,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:42,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:42,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:42,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:42,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:07:42,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:42,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:42,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:42,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:07:42,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:42,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 19:07:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:42,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:42,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:42,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:42,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 19:07:42,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:07:42,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-12 19:07:42,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:42,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:07:42,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 19:07:42,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-12 19:07:42,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:42,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:07:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:42,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:42,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:42,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:42,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:42,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:07:42,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:42,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:42,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:42,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:07:42,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:42,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:07:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:42,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:42,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:42,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:42,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:42,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:42,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:42,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:42,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:42,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:07:42,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:42,349 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 19 proven. 22 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-12 19:07:42,350 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1667593687] [2020-10-12 19:07:42,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 19:07:42,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 19:07:42,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376185267] [2020-10-12 19:07:42,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 19:07:42,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:42,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 19:07:42,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-12 19:07:42,352 INFO L87 Difference]: Start difference. First operand 267 states and 378 transitions. Second operand 6 states. [2020-10-12 19:07:43,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:43,706 INFO L93 Difference]: Finished difference Result 546 states and 785 transitions. [2020-10-12 19:07:43,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 19:07:43,706 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 86 [2020-10-12 19:07:43,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:43,710 INFO L225 Difference]: With dead ends: 546 [2020-10-12 19:07:43,710 INFO L226 Difference]: Without dead ends: 302 [2020-10-12 19:07:43,711 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-10-12 19:07:43,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-12 19:07:43,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 292. [2020-10-12 19:07:43,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2020-10-12 19:07:43,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 412 transitions. [2020-10-12 19:07:43,753 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 412 transitions. Word has length 86 [2020-10-12 19:07:43,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:43,753 INFO L479 AbstractCegarLoop]: Abstraction has 292 states and 412 transitions. [2020-10-12 19:07:43,753 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 19:07:43,754 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 412 transitions. [2020-10-12 19:07:43,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-12 19:07:43,755 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:43,755 INFO L422 BasicCegarLoop]: trace histogram [7, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:07:43,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 19:07:43,756 INFO L427 AbstractCegarLoop]: === Iteration 9 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:43,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:43,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1132328205, now seen corresponding path program 2 times [2020-10-12 19:07:43,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:43,757 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [65828478] [2020-10-12 19:07:43,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:43,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:43,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:43,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:43,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:44,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:44,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-12 19:07:44,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:07:44,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 299 [2020-10-12 19:07:44,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:44,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:44,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-12 19:07:44,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:07:44,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:44,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:44,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:44,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:44,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:44,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:44,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:07:44,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:44,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:44,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:44,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:44,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:44,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 19:07:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:44,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:44,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:44,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:07:44,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:44,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 19:07:44,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:44,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:44,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:44,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:44,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:44,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:07:44,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:44,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:44,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:44,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:44,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:44,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:44,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:44,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:44,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:44,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:44,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:44,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:07:44,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:44,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:44,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:44,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:44,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:44,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:44,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:44,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:44,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:44,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:44,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:44,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:07:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:44,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:44,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:44,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:44,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:44,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:44,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:44,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:44,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:44,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:44,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:44,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 19:07:44,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:44,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:44,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:44,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:07:44,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:44,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 19:07:44,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:44,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:44,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:44,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:44,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:44,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:07:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:44,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:44,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:44,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:44,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:44,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:44,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:44,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:44,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:44,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:44,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:44,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:07:44,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:44,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:44,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:44,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:44,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:44,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:44,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:44,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:44,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:44,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:44,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:44,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:07:44,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:44,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:44,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:44,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:44,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:44,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:44,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:44,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:44,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:44,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:44,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:44,364 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2020-10-12 19:07:44,371 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [65828478] [2020-10-12 19:07:44,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:07:44,372 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 19:07:44,372 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465737201] [2020-10-12 19:07:44,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 19:07:44,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:44,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 19:07:44,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 19:07:44,376 INFO L87 Difference]: Start difference. First operand 292 states and 412 transitions. Second operand 5 states. [2020-10-12 19:07:45,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:45,750 INFO L93 Difference]: Finished difference Result 590 states and 845 transitions. [2020-10-12 19:07:45,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 19:07:45,751 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 110 [2020-10-12 19:07:45,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:45,755 INFO L225 Difference]: With dead ends: 590 [2020-10-12 19:07:45,756 INFO L226 Difference]: Without dead ends: 340 [2020-10-12 19:07:45,758 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-12 19:07:45,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2020-10-12 19:07:45,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 333. [2020-10-12 19:07:45,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2020-10-12 19:07:45,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 460 transitions. [2020-10-12 19:07:45,787 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 460 transitions. Word has length 110 [2020-10-12 19:07:45,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:45,788 INFO L479 AbstractCegarLoop]: Abstraction has 333 states and 460 transitions. [2020-10-12 19:07:45,788 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 19:07:45,788 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 460 transitions. [2020-10-12 19:07:45,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-12 19:07:45,789 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:45,789 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:07:45,790 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 19:07:45,790 INFO L427 AbstractCegarLoop]: === Iteration 10 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:45,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:45,790 INFO L82 PathProgramCache]: Analyzing trace with hash 2110756821, now seen corresponding path program 1 times [2020-10-12 19:07:45,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:45,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [66394804] [2020-10-12 19:07:45,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:45,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:45,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:45,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-12 19:07:45,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:45,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-12 19:07:45,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:45,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:45,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-12 19:07:45,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:07:45,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:46,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:46,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:46,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:46,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:46,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:46,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:46,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 19:07:46,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:46,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:46,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:46,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:46,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:46,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 19:07:46,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:46,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:46,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:46,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:07:46,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:46,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 19:07:46,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:46,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:46,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:46,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:46,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:46,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:07:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:46,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:46,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:46,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:46,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:46,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:46,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:46,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:46,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:46,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:46,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:46,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:07:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:46,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:46,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:46,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:46,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:46,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:46,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:46,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:46,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:46,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:46,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:46,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:07:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:46,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:46,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:46,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:46,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:46,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:46,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:46,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:46,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:46,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:46,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:46,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 19:07:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:46,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:46,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:46,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:07:46,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:46,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:07:46,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:46,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:46,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:46,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:46,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:46,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:07:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:46,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:46,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:46,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:46,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:46,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:46,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:46,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:46,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:46,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:46,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:46,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:07:46,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:46,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:46,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:46,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:46,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:46,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:46,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:46,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:46,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:46,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:46,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:46,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:07:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:46,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:46,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:46,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:46,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:46,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:46,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:46,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:46,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:46,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:46,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:46,168 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2020-10-12 19:07:46,168 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [66394804] [2020-10-12 19:07:46,169 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:07:46,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 19:07:46,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517162983] [2020-10-12 19:07:46,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 19:07:46,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:46,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 19:07:46,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 19:07:46,170 INFO L87 Difference]: Start difference. First operand 333 states and 460 transitions. Second operand 5 states. [2020-10-12 19:07:47,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:47,339 INFO L93 Difference]: Finished difference Result 616 states and 871 transitions. [2020-10-12 19:07:47,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 19:07:47,339 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 111 [2020-10-12 19:07:47,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:47,343 INFO L225 Difference]: With dead ends: 616 [2020-10-12 19:07:47,343 INFO L226 Difference]: Without dead ends: 331 [2020-10-12 19:07:47,345 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-12 19:07:47,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2020-10-12 19:07:47,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 327. [2020-10-12 19:07:47,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2020-10-12 19:07:47,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 446 transitions. [2020-10-12 19:07:47,384 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 446 transitions. Word has length 111 [2020-10-12 19:07:47,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:47,387 INFO L479 AbstractCegarLoop]: Abstraction has 327 states and 446 transitions. [2020-10-12 19:07:47,387 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 19:07:47,387 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 446 transitions. [2020-10-12 19:07:47,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-12 19:07:47,388 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:47,389 INFO L422 BasicCegarLoop]: trace histogram [8, 7, 7, 6, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:07:47,389 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 19:07:47,389 INFO L427 AbstractCegarLoop]: === Iteration 11 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:47,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:47,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1186960052, now seen corresponding path program 1 times [2020-10-12 19:07:47,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:47,390 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [208325008] [2020-10-12 19:07:47,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:47,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:47,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:47,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:47,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-12 19:07:47,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:07:47,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 272 [2020-10-12 19:07:47,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:47,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:07:47,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 139 [2020-10-12 19:07:47,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:07:47,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:47,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:47,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:47,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:47,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:47,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:47,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 19:07:47,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:47,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:47,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:47,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:47,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:47,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 19:07:47,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:47,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:47,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:47,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:07:47,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:47,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:07:47,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:47,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:47,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:47,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:47,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:47,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:07:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:47,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:47,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:47,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:47,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:47,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:47,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:47,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:47,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:47,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:47,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:47,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:07:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:47,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:47,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:47,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:47,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:47,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:47,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:47,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:47,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:47,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:47,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:47,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:07:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:47,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:47,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:47,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:47,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:47,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:47,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:47,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:47,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:47,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:47,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:47,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 19:07:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:47,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:47,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:47,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:07:47,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:47,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:07:47,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:47,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:47,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:47,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:47,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:47,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:07:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:47,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:47,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:47,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:47,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:47,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:47,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:47,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:47,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:47,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:47,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:47,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:07:47,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:47,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:47,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:47,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:47,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:47,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:47,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:47,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:47,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:47,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:47,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:47,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:07:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:47,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:47,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:47,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:47,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:47,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:47,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:47,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:47,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:47,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:47,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:47,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-12 19:07:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:47,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:47,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:47,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 19:07:47,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:47,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 19:07:47,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:47,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:47,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:47,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 19:07:47,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:47,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:07:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:47,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:47,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:47,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:47,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:47,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:47,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:47,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:47,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:47,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:47,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:47,947 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2020-10-12 19:07:47,947 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [208325008] [2020-10-12 19:07:47,947 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:07:47,947 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 19:07:47,948 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525376197] [2020-10-12 19:07:47,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 19:07:47,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:47,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 19:07:47,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-12 19:07:47,949 INFO L87 Difference]: Start difference. First operand 327 states and 446 transitions. Second operand 6 states. [2020-10-12 19:07:49,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:49,257 INFO L93 Difference]: Finished difference Result 591 states and 819 transitions. [2020-10-12 19:07:49,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 19:07:49,258 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 130 [2020-10-12 19:07:49,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:49,261 INFO L225 Difference]: With dead ends: 591 [2020-10-12 19:07:49,262 INFO L226 Difference]: Without dead ends: 333 [2020-10-12 19:07:49,263 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-12 19:07:49,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2020-10-12 19:07:49,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 327. [2020-10-12 19:07:49,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2020-10-12 19:07:49,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 443 transitions. [2020-10-12 19:07:49,291 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 443 transitions. Word has length 130 [2020-10-12 19:07:49,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:49,292 INFO L479 AbstractCegarLoop]: Abstraction has 327 states and 443 transitions. [2020-10-12 19:07:49,292 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 19:07:49,292 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 443 transitions. [2020-10-12 19:07:49,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-12 19:07:49,293 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:49,293 INFO L422 BasicCegarLoop]: trace histogram [10, 9, 9, 9, 7, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:07:49,294 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 19:07:49,294 INFO L427 AbstractCegarLoop]: === Iteration 12 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:49,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:49,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1064503931, now seen corresponding path program 1 times [2020-10-12 19:07:49,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:49,295 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [136634532] [2020-10-12 19:07:49,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:49,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:49,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:49,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-12 19:07:49,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:49,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-12 19:07:49,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:49,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:49,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 191 [2020-10-12 19:07:49,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 19:07:49,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:49,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:49,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:49,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:49,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:49,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:49,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:07:49,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:49,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:49,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:49,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:49,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:49,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 19:07:49,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:49,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:49,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:49,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:07:49,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:49,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:07:49,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:49,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:49,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:49,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:49,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:49,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:07:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:49,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:49,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:49,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:49,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:49,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:49,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:49,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:49,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:49,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:49,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:49,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:07:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:49,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:49,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:49,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:49,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:49,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:49,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:49,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:49,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:49,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:49,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:49,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:07:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:49,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:49,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:49,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:49,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:49,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:49,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:49,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:49,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:49,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:49,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:49,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 19:07:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:49,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:49,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:49,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:07:49,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:49,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:07:49,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:49,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:49,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:49,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:49,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:49,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:07:49,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:49,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:49,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:49,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:49,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:49,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:49,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:49,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:49,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:49,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:49,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:49,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:07:49,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:49,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:49,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:49,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:49,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:49,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:49,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:49,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:49,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:49,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:49,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:49,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:07:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:49,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:49,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:49,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:49,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:49,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:49,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:49,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:49,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:49,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:49,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:49,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-12 19:07:49,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:49,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:49,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:49,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 19:07:49,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:49,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:07:49,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:49,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:49,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:49,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:49,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:49,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:07:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:49,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:49,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:49,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:49,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:49,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:49,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:49,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:49,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:49,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:49,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:49,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:07:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:49,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:49,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:49,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:49,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:49,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:49,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:49,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:49,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:49,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:49,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:49,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:07:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:49,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:49,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:49,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:49,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:49,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:07:49,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:49,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:49,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:49,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:49,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:49,723 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2020-10-12 19:07:49,724 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [136634532] [2020-10-12 19:07:49,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:07:49,725 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 19:07:49,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276729039] [2020-10-12 19:07:49,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 19:07:49,726 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:49,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 19:07:49,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 19:07:49,726 INFO L87 Difference]: Start difference. First operand 327 states and 443 transitions. Second operand 5 states. [2020-10-12 19:07:50,236 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-12 19:07:51,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:51,016 INFO L93 Difference]: Finished difference Result 560 states and 790 transitions. [2020-10-12 19:07:51,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 19:07:51,016 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 163 [2020-10-12 19:07:51,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:51,019 INFO L225 Difference]: With dead ends: 560 [2020-10-12 19:07:51,020 INFO L226 Difference]: Without dead ends: 329 [2020-10-12 19:07:51,021 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-12 19:07:51,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-10-12 19:07:51,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 325. [2020-10-12 19:07:51,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2020-10-12 19:07:51,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 439 transitions. [2020-10-12 19:07:51,048 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 439 transitions. Word has length 163 [2020-10-12 19:07:51,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:51,048 INFO L479 AbstractCegarLoop]: Abstraction has 325 states and 439 transitions. [2020-10-12 19:07:51,048 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 19:07:51,048 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 439 transitions. [2020-10-12 19:07:51,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-12 19:07:51,051 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:51,051 INFO L422 BasicCegarLoop]: trace histogram [10, 9, 9, 9, 7, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:07:51,051 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 19:07:51,052 INFO L427 AbstractCegarLoop]: === Iteration 13 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:51,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:51,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1493236690, now seen corresponding path program 1 times [2020-10-12 19:07:51,052 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:51,052 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [793273813] [2020-10-12 19:07:51,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-12 19:07:51,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:07:51,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 341 [2020-10-12 19:07:51,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:07:51,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 199 [2020-10-12 19:07:51,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:07:51,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:51,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:07:51,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-12 19:07:51,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-12 19:07:51,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:07:51,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 186 [2020-10-12 19:07:51,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:07:51,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:51,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:07:51,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:07:51,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:51,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:07:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:51,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:51,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:51,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:07:51,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:51,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:51,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:51,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:07:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:51,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:51,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:51,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 19:07:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:07:51,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:07:51,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:51,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:07:51,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:51,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:51,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:51,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:07:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:51,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:51,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:51,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:07:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:51,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:51,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:51,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 19:07:51,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 19:07:51,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:07:51,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:07:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:51,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:51,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:51,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:07:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:51,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:51,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:51,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:07:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:51,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:51,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:51,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 19:07:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 19:07:51,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 19:07:51,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:51,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 19:07:51,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:51,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:51,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-12 19:07:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:51,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:51,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 19:07:51,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,958 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2020-10-12 19:07:51,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [793273813] [2020-10-12 19:07:51,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:07:51,959 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 19:07:51,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945537535] [2020-10-12 19:07:51,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 19:07:51,960 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:51,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 19:07:51,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-12 19:07:51,966 INFO L87 Difference]: Start difference. First operand 325 states and 439 transitions. Second operand 6 states. [2020-10-12 19:07:53,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:53,279 INFO L93 Difference]: Finished difference Result 507 states and 702 transitions. [2020-10-12 19:07:53,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 19:07:53,280 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 189 [2020-10-12 19:07:53,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:53,284 INFO L225 Difference]: With dead ends: 507 [2020-10-12 19:07:53,284 INFO L226 Difference]: Without dead ends: 329 [2020-10-12 19:07:53,285 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-12 19:07:53,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-10-12 19:07:53,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 325. [2020-10-12 19:07:53,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2020-10-12 19:07:53,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 433 transitions. [2020-10-12 19:07:53,312 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 433 transitions. Word has length 189 [2020-10-12 19:07:53,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:53,312 INFO L479 AbstractCegarLoop]: Abstraction has 325 states and 433 transitions. [2020-10-12 19:07:53,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 19:07:53,313 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 433 transitions. [2020-10-12 19:07:53,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-12 19:07:53,315 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:53,315 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 9, 9, 9, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:07:53,316 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 19:07:53,316 INFO L427 AbstractCegarLoop]: === Iteration 14 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:53,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:53,316 INFO L82 PathProgramCache]: Analyzing trace with hash 2115705574, now seen corresponding path program 1 times [2020-10-12 19:07:53,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:53,317 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [944207206] [2020-10-12 19:07:53,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:53,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:53,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:53,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:53,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:53,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:53,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-12 19:07:53,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 19:07:53,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 448 [2020-10-12 19:07:53,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:53,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:53,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 182 [2020-10-12 19:07:53,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 19:07:53,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:53,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:53,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:53,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:53,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:53,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:53,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:53,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:07:53,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:53,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:53,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:53,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:53,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:53,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:53,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:53,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:54,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:54,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:54,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-12 19:07:54,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:07:54,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 178 [2020-10-12 19:07:54,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:54,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:54,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 169 [2020-10-12 19:07:54,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:07:54,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:54,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:54,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:54,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:54,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:54,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:07:54,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:54,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:07:54,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:54,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:54,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:54,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:54,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:54,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:07:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:54,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:54,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:54,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:54,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:54,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:54,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:54,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:54,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:54,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:54,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:54,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:07:54,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:54,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:54,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:54,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:54,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:54,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:54,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:54,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:54,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:54,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:54,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:54,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:07:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:54,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:54,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:54,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:54,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:54,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:54,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:54,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:54,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:54,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:54,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:54,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 19:07:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:54,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:54,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:54,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:07:54,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:54,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 19:07:54,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:54,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:54,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:54,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:54,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:54,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:07:54,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:54,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:54,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:54,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:54,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:54,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:54,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:54,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:54,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:54,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:54,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:54,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:07:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:54,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:54,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:54,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:54,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:54,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:54,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:54,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:54,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:54,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:54,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:54,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:07:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:54,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:54,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:54,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:54,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:54,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:54,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:54,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:54,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:54,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:54,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:54,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 19:07:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:54,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:54,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:54,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 19:07:54,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:54,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:07:54,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:54,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:54,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:54,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:54,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:54,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:07:54,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:54,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:54,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:54,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:54,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:54,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:54,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:54,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:54,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:54,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:54,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:54,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:07:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:54,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:54,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:54,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:54,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:54,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:54,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:54,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:54,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:54,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:54,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:54,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:07:54,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:54,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:54,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:54,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:54,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:54,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:54,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:54,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:54,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:54,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:54,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:54,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 19:07:54,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:54,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:54,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:54,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:54,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:54,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 19:07:54,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:07:54,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 19:07:54,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:54,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:54,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 19:07:54,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 19:07:54,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:54,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-12 19:07:54,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:54,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:54,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:54,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:54,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:54,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:54,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:54,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:54,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 19:07:54,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:54,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:54,359 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 138 proven. 14 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2020-10-12 19:07:54,359 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [944207206] [2020-10-12 19:07:54,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 19:07:54,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 19:07:54,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070434344] [2020-10-12 19:07:54,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 19:07:54,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:54,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 19:07:54,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 19:07:54,361 INFO L87 Difference]: Start difference. First operand 325 states and 433 transitions. Second operand 5 states. [2020-10-12 19:07:54,572 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-12 19:07:55,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:55,657 INFO L93 Difference]: Finished difference Result 528 states and 726 transitions. [2020-10-12 19:07:55,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 19:07:55,657 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 196 [2020-10-12 19:07:55,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:55,660 INFO L225 Difference]: With dead ends: 528 [2020-10-12 19:07:55,661 INFO L226 Difference]: Without dead ends: 308 [2020-10-12 19:07:55,662 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-12 19:07:55,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2020-10-12 19:07:55,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 304. [2020-10-12 19:07:55,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2020-10-12 19:07:55,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 402 transitions. [2020-10-12 19:07:55,686 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 402 transitions. Word has length 196 [2020-10-12 19:07:55,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:55,687 INFO L479 AbstractCegarLoop]: Abstraction has 304 states and 402 transitions. [2020-10-12 19:07:55,687 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 19:07:55,687 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 402 transitions. [2020-10-12 19:07:55,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-12 19:07:55,690 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:55,690 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 9, 9, 9, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:07:55,690 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 19:07:55,690 INFO L427 AbstractCegarLoop]: === Iteration 15 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:55,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:55,691 INFO L82 PathProgramCache]: Analyzing trace with hash -319793927, now seen corresponding path program 1 times [2020-10-12 19:07:55,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:55,691 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1638633068] [2020-10-12 19:07:55,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:55,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:55,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:55,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:55,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 268 [2020-10-12 19:07:55,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:55,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-12 19:07:55,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:55,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:55,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 256 [2020-10-12 19:07:55,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 19:07:55,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:55,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:55,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:55,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:55,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:55,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:55,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:07:55,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:55,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:55,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:55,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:55,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:55,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:55,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:56,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:56,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-12 19:07:56,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:56,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-12 19:07:56,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:56,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:56,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:56,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:56,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:56,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:56,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:56,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:56,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:56,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:07:56,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:56,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 19:07:56,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:56,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:56,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:56,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:56,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:56,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:07:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:56,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:56,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:56,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:56,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:56,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:56,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:56,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:56,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:56,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:56,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:56,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:07:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:56,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:56,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:56,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:56,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:56,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:56,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:56,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:56,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:56,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:56,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:56,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:07:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:56,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:56,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:56,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:56,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:56,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:56,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:56,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:56,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:56,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:56,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:56,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 19:07:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:56,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:56,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:56,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:07:56,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:56,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:07:56,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:56,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:56,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:56,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:56,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:56,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:07:56,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:56,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:56,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:56,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:56,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:56,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:56,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:56,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:56,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:56,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:56,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:56,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:07:56,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:56,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:56,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:56,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:56,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:56,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:56,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:56,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:56,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:56,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:56,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:56,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:07:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:56,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:56,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:56,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:56,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:56,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:56,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:56,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:56,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:56,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:56,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:56,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 19:07:56,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:56,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:56,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:56,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 19:07:56,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:56,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:07:56,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:56,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:56,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:56,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:56,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:56,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:07:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:56,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:56,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:56,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:56,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:56,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:56,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:56,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:56,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:56,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:56,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:56,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:07:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:56,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:56,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:56,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:56,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:56,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:56,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:56,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:56,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:56,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:56,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:56,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:07:56,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:56,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:56,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:56,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:56,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:56,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:56,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:56,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:56,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:56,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:56,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:56,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 19:07:56,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:56,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:56,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:56,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 19:07:56,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:56,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:07:56,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:56,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:56,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:56,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:56,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:56,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:56,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:56,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:56,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:56,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:56,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:56,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:56,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:56,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:56,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:56,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:56,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:07:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:56,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:56,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:56,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:56,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:56,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:56,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:56,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:56,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:56,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:56,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:56,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 19:07:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:56,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:56,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:56,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:56,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:56,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:56,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:56,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:56,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:56,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:56,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:56,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-12 19:07:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:56,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:56,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:56,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:56,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:56,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:56,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:56,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:56,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:56,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:56,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:56,276 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2020-10-12 19:07:56,276 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1638633068] [2020-10-12 19:07:56,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:07:56,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 19:07:56,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766359375] [2020-10-12 19:07:56,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 19:07:56,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:56,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 19:07:56,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 19:07:56,278 INFO L87 Difference]: Start difference. First operand 304 states and 402 transitions. Second operand 5 states. [2020-10-12 19:07:56,748 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-12 19:07:57,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:57,492 INFO L93 Difference]: Finished difference Result 483 states and 663 transitions. [2020-10-12 19:07:57,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 19:07:57,492 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 220 [2020-10-12 19:07:57,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:57,495 INFO L225 Difference]: With dead ends: 483 [2020-10-12 19:07:57,495 INFO L226 Difference]: Without dead ends: 314 [2020-10-12 19:07:57,496 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-12 19:07:57,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2020-10-12 19:07:57,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 308. [2020-10-12 19:07:57,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2020-10-12 19:07:57,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 405 transitions. [2020-10-12 19:07:57,524 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 405 transitions. Word has length 220 [2020-10-12 19:07:57,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:57,524 INFO L479 AbstractCegarLoop]: Abstraction has 308 states and 405 transitions. [2020-10-12 19:07:57,525 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 19:07:57,525 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 405 transitions. [2020-10-12 19:07:57,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-12 19:07:57,528 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:57,528 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 9, 9, 9, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-12 19:07:57,528 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 19:07:57,528 INFO L427 AbstractCegarLoop]: === Iteration 16 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:57,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:57,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1716883452, now seen corresponding path program 1 times [2020-10-12 19:07:57,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:57,529 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [872851502] [2020-10-12 19:07:57,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:57,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:57,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:57,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 284 [2020-10-12 19:07:57,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:57,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-12 19:07:57,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:57,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:57,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 272 [2020-10-12 19:07:57,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:07:57,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:57,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:57,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:57,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:57,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:57,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:57,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:07:57,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:57,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:57,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:57,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:57,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:57,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:57,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:57,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:57,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-12 19:07:57,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:57,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-12 19:07:57,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:57,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:57,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:57,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:57,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:57,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:57,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:57,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:57,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:07:57,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:57,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:07:57,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:57,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:57,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:57,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:57,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:57,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:07:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:57,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:57,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:57,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:57,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:57,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:57,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:57,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:57,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:57,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:57,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:57,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:07:57,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:57,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:57,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:57,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:57,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:57,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:57,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:57,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:57,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:57,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:57,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:57,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:07:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:57,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:57,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:57,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:57,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:57,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:57,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:57,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:57,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:57,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:57,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:57,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 19:07:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:57,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:57,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:57,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:07:57,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:57,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:07:57,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:57,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:57,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:57,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:57,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:58,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:07:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:58,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:58,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:58,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:58,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:58,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:58,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:58,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:58,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:58,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:58,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:58,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:07:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:58,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:58,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:58,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:58,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:58,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:58,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:58,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:58,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:58,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:58,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:58,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:07:58,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:58,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:58,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:58,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:58,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:58,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:58,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:58,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:58,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:58,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:58,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:58,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 19:07:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:58,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:58,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:58,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 19:07:58,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:58,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:07:58,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:58,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:58,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:58,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:58,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:58,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:07:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:58,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:58,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:58,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:58,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:58,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:58,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:58,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:58,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:58,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:58,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:58,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:07:58,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:58,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:58,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:58,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:58,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:58,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:58,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:58,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:58,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:58,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:58,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:58,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:07:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:58,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:58,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:58,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:58,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:58,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:58,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:58,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:58,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:58,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:58,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:58,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 19:07:58,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:58,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:58,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:58,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 19:07:58,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:58,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:07:58,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:58,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:58,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:58,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:58,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:58,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:58,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:58,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:58,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:58,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:58,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:58,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:58,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:58,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:58,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:58,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:58,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:07:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:58,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:58,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:58,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:58,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:58,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:58,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:58,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:58,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:58,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:58,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:58,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 19:07:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:58,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:58,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:58,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:58,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:58,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:58,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:58,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:58,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:58,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:58,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:58,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-12 19:07:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:58,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:58,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:58,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:58,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:58,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:58,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:58,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:58,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:58,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:58,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:58,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-12 19:07:58,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:58,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:58,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:58,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:07:58,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:58,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:07:58,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:58,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:58,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:58,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:58,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:58,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:58,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:58,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:58,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:58,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:58,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:58,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:58,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:58,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:58,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:58,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:58,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:58,252 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2020-10-12 19:07:58,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [872851502] [2020-10-12 19:07:58,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 19:07:58,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 19:07:58,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921329994] [2020-10-12 19:07:58,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 19:07:58,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:58,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 19:07:58,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 19:07:58,258 INFO L87 Difference]: Start difference. First operand 308 states and 405 transitions. Second operand 7 states. [2020-10-12 19:07:59,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:59,562 INFO L93 Difference]: Finished difference Result 503 states and 686 transitions. [2020-10-12 19:07:59,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 19:07:59,563 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 232 [2020-10-12 19:07:59,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:59,566 INFO L225 Difference]: With dead ends: 503 [2020-10-12 19:07:59,567 INFO L226 Difference]: Without dead ends: 330 [2020-10-12 19:07:59,568 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-12 19:07:59,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2020-10-12 19:07:59,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 313. [2020-10-12 19:07:59,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2020-10-12 19:07:59,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 409 transitions. [2020-10-12 19:07:59,593 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 409 transitions. Word has length 232 [2020-10-12 19:07:59,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:59,594 INFO L479 AbstractCegarLoop]: Abstraction has 313 states and 409 transitions. [2020-10-12 19:07:59,594 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 19:07:59,594 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 409 transitions. [2020-10-12 19:07:59,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-10-12 19:07:59,597 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:59,598 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 9, 9, 9, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:07:59,598 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-12 19:07:59,598 INFO L427 AbstractCegarLoop]: === Iteration 17 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:59,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:59,598 INFO L82 PathProgramCache]: Analyzing trace with hash 673885272, now seen corresponding path program 1 times [2020-10-12 19:07:59,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:59,599 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1148109798] [2020-10-12 19:07:59,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:59,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:59,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:59,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 301 [2020-10-12 19:07:59,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:59,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 201 [2020-10-12 19:07:59,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:59,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:59,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 289 [2020-10-12 19:07:59,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:07:59,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:59,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:59,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:59,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:59,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:59,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:59,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:07:59,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:59,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:59,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:59,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:59,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:59,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:59,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:00,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:00,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-12 19:08:00,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:00,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-12 19:08:00,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:00,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:00,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:00,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:00,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:00,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:00,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:00,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:00,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:08:00,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:00,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:08:00,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:00,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:00,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:00,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:00,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:00,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:08:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:00,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:00,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:00,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:00,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:00,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:00,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:00,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:00,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:00,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:00,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:00,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:08:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:00,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:00,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:00,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:00,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:00,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:00,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:00,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:00,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:00,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:00,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:00,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:08:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:00,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:00,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:00,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:00,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:00,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:00,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:00,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:00,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:00,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:00,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:00,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 19:08:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:00,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:00,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:00,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:08:00,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:00,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:08:00,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:00,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:00,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:00,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:00,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:00,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:08:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:00,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:00,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:00,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:00,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:00,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:00,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:00,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:00,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:00,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:00,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:00,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:08:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:00,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:00,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:00,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:00,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:00,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:00,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:00,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:00,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:00,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:00,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:00,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:08:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:00,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:00,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:00,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:00,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:00,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:00,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:00,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:00,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:00,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:00,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:00,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 19:08:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:00,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:00,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:00,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 19:08:00,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:00,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:08:00,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:00,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:00,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:00,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:00,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:00,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:08:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:00,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:00,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:00,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:08:00,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:00,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:00,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:00,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:00,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:00,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:00,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:00,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:08:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:00,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:00,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:00,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:08:00,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:00,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:00,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:00,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:00,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:00,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:00,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:00,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:08:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:00,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:00,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:00,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:08:00,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:00,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:00,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:00,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:00,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:00,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:00,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:00,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 19:08:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:00,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:00,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:00,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 19:08:00,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:00,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:08:00,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:00,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:00,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:00,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:00,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:00,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:08:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:00,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:00,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:00,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:00,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:00,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:00,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:00,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:00,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:00,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:00,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:00,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:08:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:00,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:00,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:00,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:00,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:00,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:00,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:00,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:00,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:00,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:00,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:00,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 19:08:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:00,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:00,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:00,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:00,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:00,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:00,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:00,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:00,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:00,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:00,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:00,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-12 19:08:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:00,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:00,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:00,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:00,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:00,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:00,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:00,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:00,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:00,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:00,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:00,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-12 19:08:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:00,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:00,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:00,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:08:00,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:00,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:08:00,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:00,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:00,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:00,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:00,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:00,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:00,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:00,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:00,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:00,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:00,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:00,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:00,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:00,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:00,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:00,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:00,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-12 19:08:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:00,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:00,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:00,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:08:00,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:00,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:08:00,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:00,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:00,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:00,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:00,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:00,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:00,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:00,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:00,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:00,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:00,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:00,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:00,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:00,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:00,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:00,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:00,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:00,342 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2020-10-12 19:08:00,342 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1148109798] [2020-10-12 19:08:00,342 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 19:08:00,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 19:08:00,343 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379726122] [2020-10-12 19:08:00,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 19:08:00,344 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:08:00,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 19:08:00,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-12 19:08:00,344 INFO L87 Difference]: Start difference. First operand 313 states and 409 transitions. Second operand 8 states. [2020-10-12 19:08:00,984 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-12 19:08:01,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:08:01,657 INFO L93 Difference]: Finished difference Result 492 states and 665 transitions. [2020-10-12 19:08:01,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 19:08:01,664 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 245 [2020-10-12 19:08:01,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:08:01,667 INFO L225 Difference]: With dead ends: 492 [2020-10-12 19:08:01,667 INFO L226 Difference]: Without dead ends: 314 [2020-10-12 19:08:01,668 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-12 19:08:01,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2020-10-12 19:08:01,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 312. [2020-10-12 19:08:01,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2020-10-12 19:08:01,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 404 transitions. [2020-10-12 19:08:01,694 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 404 transitions. Word has length 245 [2020-10-12 19:08:01,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:08:01,694 INFO L479 AbstractCegarLoop]: Abstraction has 312 states and 404 transitions. [2020-10-12 19:08:01,695 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 19:08:01,695 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 404 transitions. [2020-10-12 19:08:01,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2020-10-12 19:08:01,697 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:08:01,697 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 9, 9, 9, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:08:01,697 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-12 19:08:01,697 INFO L427 AbstractCegarLoop]: === Iteration 18 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:08:01,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:08:01,698 INFO L82 PathProgramCache]: Analyzing trace with hash -655570890, now seen corresponding path program 1 times [2020-10-12 19:08:01,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:08:01,698 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [199701034] [2020-10-12 19:08:01,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:08:01,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:01,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:01,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:01,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 319 [2020-10-12 19:08:01,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:01,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-10-12 19:08:01,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:01,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:08:01,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 309 [2020-10-12 19:08:01,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 19:08:01,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:02,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:08:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:02,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:02,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:02,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:02,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:02,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:08:02,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:02,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:02,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:02,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:02,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:02,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:08:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:02,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:02,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:02,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-12 19:08:02,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:02,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-12 19:08:02,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:02,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:02,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:02,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:02,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:02,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:02,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:02,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:02,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:08:02,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:02,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:08:02,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:02,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:02,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:02,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:02,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:08:02,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:08:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:02,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:02,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:02,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:02,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:02,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:02,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:02,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:02,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:02,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:02,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:02,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:08:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:02,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:02,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:02,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:02,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:02,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:02,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:02,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:02,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:02,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:02,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:02,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:08:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:02,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:02,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:02,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:02,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:02,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:02,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:02,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:02,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:02,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:02,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:02,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 19:08:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:02,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:02,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:02,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:08:02,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:02,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:08:02,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:02,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:02,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:02,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:02,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:02,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:08:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:02,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:02,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:02,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:02,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:02,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:02,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:02,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:02,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:02,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:02,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:02,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:08:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:02,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:02,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:02,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:02,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:02,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:02,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:02,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:02,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:02,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:02,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:02,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:08:02,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:02,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:02,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:02,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:02,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:02,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:02,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:02,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:02,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:02,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:02,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:02,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 19:08:02,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:02,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:02,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:02,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 19:08:02,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:02,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:08:02,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:02,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:02,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:02,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:02,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:02,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:08:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:02,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:02,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:02,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:08:02,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:02,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:02,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:02,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:02,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:02,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:02,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:02,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:08:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:02,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:02,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:02,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:08:02,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:02,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:02,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:02,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:02,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:02,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:02,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:02,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:08:02,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:02,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:02,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:02,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:08:02,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:02,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:02,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:02,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:02,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:02,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:02,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:02,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 19:08:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:02,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:02,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:02,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 19:08:02,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:02,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:08:02,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:02,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:02,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:02,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:02,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:02,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:08:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:02,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:02,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:02,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:02,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:02,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:02,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:02,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:02,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:02,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:02,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:02,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:08:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:02,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:02,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:02,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:02,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:02,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:02,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:02,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:02,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:02,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:02,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:02,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 19:08:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:02,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:02,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:02,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:02,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:02,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:02,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:02,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:02,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:02,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:02,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:02,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-12 19:08:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:02,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:02,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:02,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:02,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:02,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:02,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:02,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:02,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:02,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:02,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:02,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-12 19:08:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:02,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:02,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:02,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:08:02,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:02,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:08:02,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:02,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:02,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:02,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:02,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:02,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:02,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:02,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:02,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:02,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:02,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:02,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:02,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:02,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:02,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:02,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:02,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-12 19:08:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:02,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:02,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:02,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:08:02,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:02,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:08:02,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:02,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:02,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:02,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:02,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:02,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:02,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:02,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:02,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:02,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:02,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:02,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:02,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:02,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:02,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:02,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:02,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-12 19:08:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:02,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:02,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:02,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 19:08:02,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:02,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:08:02,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:02,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:02,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:02,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:02,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:02,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:02,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:02,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:02,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:02,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:02,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:08:02,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:02,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:02,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:02,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:02,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:02,486 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2020-10-12 19:08:02,487 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [199701034] [2020-10-12 19:08:02,487 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:08:02,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 19:08:02,487 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44103833] [2020-10-12 19:08:02,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 19:08:02,488 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:08:02,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 19:08:02,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-12 19:08:02,488 INFO L87 Difference]: Start difference. First operand 312 states and 404 transitions. Second operand 9 states. [2020-10-12 19:08:03,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:08:03,820 INFO L93 Difference]: Finished difference Result 488 states and 653 transitions. [2020-10-12 19:08:03,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 19:08:03,821 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 259 [2020-10-12 19:08:03,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:08:03,824 INFO L225 Difference]: With dead ends: 488 [2020-10-12 19:08:03,825 INFO L226 Difference]: Without dead ends: 311 [2020-10-12 19:08:03,826 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2020-10-12 19:08:03,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2020-10-12 19:08:03,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 311. [2020-10-12 19:08:03,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2020-10-12 19:08:03,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 401 transitions. [2020-10-12 19:08:03,851 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 401 transitions. Word has length 259 [2020-10-12 19:08:03,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:08:03,852 INFO L479 AbstractCegarLoop]: Abstraction has 311 states and 401 transitions. [2020-10-12 19:08:03,852 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 19:08:03,852 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 401 transitions. [2020-10-12 19:08:03,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-10-12 19:08:03,854 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:08:03,854 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 9, 9, 9, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:08:03,855 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-12 19:08:03,855 INFO L427 AbstractCegarLoop]: === Iteration 19 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:08:03,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:08:03,855 INFO L82 PathProgramCache]: Analyzing trace with hash 604779691, now seen corresponding path program 1 times [2020-10-12 19:08:03,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:08:03,856 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1784974024] [2020-10-12 19:08:03,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:08:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:03,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:04,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:04,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:04,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:04,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:04,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:05,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:05,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 318 [2020-10-12 19:08:05,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 19:08:05,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2048 [2020-10-12 19:08:05,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:05,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:08:05,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 249 [2020-10-12 19:08:05,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-12 19:08:05,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:08:06,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:06,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:08:06,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:06,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:06,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:08:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-12 19:08:06,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-12 19:08:06,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:06,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:06,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:08:06,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:08:06,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:06,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:06,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:08:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:06,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:06,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:06,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:06,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:08:06,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:06,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:08:06,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:06,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:06,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:08:06,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:06,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:06,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:06,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:06,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 19:08:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:08:06,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:08:06,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:06,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:06,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:08:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:06,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:06,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:06,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:06,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:08:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:06,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:06,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:06,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:06,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:08:06,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:06,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:06,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:06,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:06,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 19:08:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 19:08:06,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:08:06,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:06,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:06,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:08:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:08:06,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:06,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:06,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:06,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:08:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:08:06,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:06,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:06,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:06,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:08:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:08:06,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:06,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:06,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:06,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 19:08:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 19:08:06,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:08:06,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:06,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:06,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:08:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:06,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:06,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:06,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:06,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:08:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:06,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:06,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:06,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:06,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 19:08:06,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:06,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:06,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:06,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:06,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-12 19:08:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:06,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:06,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:06,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:06,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-12 19:08:06,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:08:06,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 19:08:06,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:06,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 19:08:06,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:06,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:08:06,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:06,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:06,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-12 19:08:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:08:06,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 19:08:06,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:06,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 19:08:06,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:06,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:06,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:06,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:06,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-12 19:08:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 19:08:06,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:08:06,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:06,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 19:08:06,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:06,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:08:06,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:06,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:06,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,550 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2020-10-12 19:08:06,550 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1784974024] [2020-10-12 19:08:06,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:08:06,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 19:08:06,551 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353209892] [2020-10-12 19:08:06,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 19:08:06,552 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:08:06,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 19:08:06,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-12 19:08:06,552 INFO L87 Difference]: Start difference. First operand 311 states and 401 transitions. Second operand 9 states. [2020-10-12 19:08:09,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:08:09,012 INFO L93 Difference]: Finished difference Result 754 states and 1004 transitions. [2020-10-12 19:08:09,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-12 19:08:09,012 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 260 [2020-10-12 19:08:09,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:08:09,015 INFO L225 Difference]: With dead ends: 754 [2020-10-12 19:08:09,015 INFO L226 Difference]: Without dead ends: 578 [2020-10-12 19:08:09,016 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2020-10-12 19:08:09,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2020-10-12 19:08:09,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 572. [2020-10-12 19:08:09,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 572 states. [2020-10-12 19:08:09,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 748 transitions. [2020-10-12 19:08:09,058 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 748 transitions. Word has length 260 [2020-10-12 19:08:09,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:08:09,058 INFO L479 AbstractCegarLoop]: Abstraction has 572 states and 748 transitions. [2020-10-12 19:08:09,059 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 19:08:09,059 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 748 transitions. [2020-10-12 19:08:09,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2020-10-12 19:08:09,061 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:08:09,061 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 10, 10, 9, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-12 19:08:09,062 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-12 19:08:09,062 INFO L427 AbstractCegarLoop]: === Iteration 20 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:08:09,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:08:09,062 INFO L82 PathProgramCache]: Analyzing trace with hash -599094051, now seen corresponding path program 1 times [2020-10-12 19:08:09,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:08:09,063 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [268850042] [2020-10-12 19:08:09,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:08:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:09,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:09,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:09,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:09,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:09,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:10,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:11,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 370 [2020-10-12 19:08:14,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 19:08:14,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 19:08:14,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 19:08:14,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 256 [2020-10-12 19:08:14,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-12 19:08:14,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:08:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:14,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:08:14,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:08:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-12 19:08:14,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-12 19:08:14,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:08:14,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:08:14,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:08:14,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:08:14,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:14,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:14,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:08:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:14,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:14,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:08:14,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:08:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:14,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:14,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 19:08:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:08:14,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 19:08:14,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:08:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:14,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:14,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:08:14,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:08:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:14,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:14,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:08:14,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:14,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:14,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:08:14,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 19:08:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 19:08:14,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:08:14,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:08:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:08:14,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:14,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:08:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:08:14,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:14,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:08:14,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:08:14,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:14,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 19:08:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 19:08:14,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:08:14,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:08:14,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:14,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:14,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:08:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:14,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:14,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 19:08:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:14,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:14,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-12 19:08:14,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:14,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:14,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-12 19:08:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:08:14,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 19:08:14,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:08:14,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:08:14,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-12 19:08:14,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:14,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:08:14,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:08:14,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:08:14,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-12 19:08:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:08:14,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 19:08:14,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:08:14,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:08:14,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 19:08:14,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:14,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:08:14,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:08:14,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:08:14,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 19:08:14,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-12 19:08:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 19:08:14,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 19:08:14,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:08:14,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:08:14,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 19:08:14,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:14,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:14,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:08:14,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:08:14,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:08:14,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 19:08:14,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-12 19:08:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 19:08:14,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:08:14,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:14,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 19:08:14,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:08:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:14,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:14,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-10-12 19:08:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-12 19:08:14,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:08:14,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-12 19:08:14,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:08:14,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 19:08:14,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 19:08:14,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:15,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:08:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:15,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:15,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:15,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:15,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:15,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:08:15,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:15,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:15,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:15,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:08:15,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:08:15,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 19:08:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:15,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:15,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:15,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:15,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:15,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:08:15,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 19:08:15,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:15,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:08:15,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:15,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:08:15,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:15,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 19:08:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:15,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:15,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:15,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:15,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:15,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:08:15,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:08:15,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:15,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:08:15,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 19:08:15,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:08:15,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:15,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 19:08:15,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:15,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:15,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:15,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:15,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:15,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:08:15,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:15,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:15,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:15,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:08:15,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:15,293 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 30 proven. 10 refuted. 0 times theorem prover too weak. 603 trivial. 0 not checked. [2020-10-12 19:08:15,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [268850042] [2020-10-12 19:08:15,294 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 19:08:15,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-12 19:08:15,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444710194] [2020-10-12 19:08:15,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-12 19:08:15,295 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:08:15,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-12 19:08:15,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-10-12 19:08:15,296 INFO L87 Difference]: Start difference. First operand 572 states and 748 transitions. Second operand 20 states. [2020-10-12 19:08:17,766 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-12 19:08:19,978 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-12 19:08:20,148 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-12 19:08:20,317 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-12 19:08:20,613 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2020-10-12 19:08:20,906 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-12 19:08:21,236 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-12 19:08:21,420 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-12 19:08:23,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:08:23,935 INFO L93 Difference]: Finished difference Result 1539 states and 2153 transitions. [2020-10-12 19:08:23,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-12 19:08:23,936 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 300 [2020-10-12 19:08:23,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:08:23,941 INFO L225 Difference]: With dead ends: 1539 [2020-10-12 19:08:23,941 INFO L226 Difference]: Without dead ends: 1069 [2020-10-12 19:08:23,944 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 648 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=647, Invalid=2323, Unknown=0, NotChecked=0, Total=2970 [2020-10-12 19:08:23,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1069 states. [2020-10-12 19:08:24,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1069 to 944. [2020-10-12 19:08:24,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 944 states. [2020-10-12 19:08:24,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1245 transitions. [2020-10-12 19:08:24,031 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1245 transitions. Word has length 300 [2020-10-12 19:08:24,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:08:24,032 INFO L479 AbstractCegarLoop]: Abstraction has 944 states and 1245 transitions. [2020-10-12 19:08:24,032 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-12 19:08:24,032 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1245 transitions. [2020-10-12 19:08:24,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2020-10-12 19:08:24,036 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:08:24,036 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 10, 10, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:08:24,037 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-12 19:08:24,037 INFO L427 AbstractCegarLoop]: === Iteration 21 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:08:24,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:08:24,037 INFO L82 PathProgramCache]: Analyzing trace with hash -690849022, now seen corresponding path program 1 times [2020-10-12 19:08:24,038 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:08:24,038 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1386528756] [2020-10-12 19:08:24,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:08:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:24,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:24,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:24,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:24,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:29,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:29,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 380 [2020-10-12 19:08:29,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 19:08:29,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-12 19:08:29,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:29,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-12 19:08:29,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 19:08:29,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 330 [2020-10-12 19:08:29,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:29,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:08:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:29,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:29,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:29,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:29,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:29,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 19:08:29,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:29,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:29,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:29,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:29,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:08:29,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:08:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:29,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:29,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:29,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:32,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:32,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-12 19:08:32,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:08:32,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3320 [2020-10-12 19:08:32,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:32,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:08:32,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:32,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:08:32,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:32,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:32,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:32,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:32,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:08:33,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:08:33,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 465 [2020-10-12 19:08:33,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:08:33,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:33,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 19:08:33,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:33,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:08:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:33,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:33,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:33,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:33,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:33,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:33,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:08:33,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:33,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:08:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:33,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:33,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:33,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:33,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:33,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:33,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:08:33,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:33,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:08:33,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:33,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:33,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:33,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:08:33,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:08:33,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:33,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:08:33,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:33,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 19:08:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:33,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:08:33,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:33,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 19:08:33,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:33,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:33,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 19:08:33,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:33,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:08:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:33,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:33,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:33,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:33,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:33,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:33,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:33,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:33,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:08:33,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:33,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:33,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:33,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:33,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:33,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:33,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:33,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:33,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:08:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:33,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:33,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:33,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:33,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:33,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:33,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:33,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:33,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 19:08:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:33,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 19:08:33,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:33,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 19:08:33,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:33,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:33,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-12 19:08:33,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:33,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:08:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:33,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:08:33,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:33,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:33,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:33,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:33,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:33,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:33,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:08:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:33,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:08:33,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:33,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:33,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:33,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:33,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:33,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:33,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:08:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:33,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:08:33,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:33,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:33,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:33,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:33,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:33,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:33,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 19:08:33,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:33,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 19:08:33,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:33,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 19:08:33,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:33,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:33,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-12 19:08:33,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:33,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:08:33,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:33,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:33,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:33,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:33,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:33,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:33,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:33,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:33,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:08:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:33,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:33,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:33,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:33,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:33,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:33,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:33,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:33,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 19:08:33,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:33,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:33,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:33,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:33,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:33,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:33,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:33,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:33,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-12 19:08:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:33,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:33,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:33,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:33,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:33,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:33,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:08:33,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:33,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-12 19:08:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:33,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 19:08:33,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:33,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 19:08:33,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 19:08:33,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:08:33,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 19:08:33,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:33,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:33,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:33,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:33,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:33,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:08:33,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:08:33,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:08:33,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 19:08:33,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:33,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 19:08:33,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:33,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:33,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:33,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:08:33,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:33,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:33,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:08:33,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:33,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-12 19:08:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:33,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:08:33,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:33,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 19:08:33,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:08:33,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:08:33,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 19:08:33,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:33,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:33,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:33,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:33,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:33,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:08:33,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:08:33,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:08:33,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 19:08:33,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:33,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-10-12 19:08:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:33,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 19:08:33,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:33,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 19:08:33,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:08:33,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:08:33,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 19:08:33,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:33,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:33,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:33,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:33,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:33,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:08:33,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:08:33,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:08:33,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 19:08:33,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:33,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-12 19:08:33,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:33,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 19:08:33,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:33,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:08:33,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:33,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:33,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 19:08:33,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:33,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:08:33,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:33,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:33,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:33,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:33,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:33,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:33,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:33,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:33,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-10-12 19:08:33,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:33,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:08:33,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:33,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 19:08:33,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:08:33,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 19:08:33,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-12 19:08:33,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:33,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:08:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:33,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:33,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:33,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:33,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:33,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:33,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:33,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:33,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 19:08:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:33,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:33,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:33,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:08:33,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:08:33,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:33,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:08:33,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:33,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 19:08:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:34,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:34,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:34,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:34,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:34,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:08:34,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:34,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:34,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:34,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:08:34,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:34,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:08:34,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:34,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:34,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:34,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:34,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:34,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:08:34,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:34,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:34,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:34,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:08:34,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:34,120 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 20 proven. 140 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2020-10-12 19:08:34,120 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1386528756] [2020-10-12 19:08:34,121 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 19:08:34,121 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-12 19:08:34,121 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503147550] [2020-10-12 19:08:34,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-12 19:08:34,122 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:08:34,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-12 19:08:34,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2020-10-12 19:08:34,177 INFO L87 Difference]: Start difference. First operand 944 states and 1245 transitions. Second operand 22 states. [2020-10-12 19:08:34,971 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-10-12 19:08:35,911 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 114 [2020-10-12 19:08:44,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:08:44,197 INFO L93 Difference]: Finished difference Result 2713 states and 3661 transitions. [2020-10-12 19:08:44,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-12 19:08:44,198 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 308 [2020-10-12 19:08:44,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:08:44,209 INFO L225 Difference]: With dead ends: 2713 [2020-10-12 19:08:44,209 INFO L226 Difference]: Without dead ends: 2055 [2020-10-12 19:08:44,213 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 74 SyntacticMatches, 2 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 920 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=745, Invalid=3037, Unknown=0, NotChecked=0, Total=3782 [2020-10-12 19:08:44,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2055 states. [2020-10-12 19:08:44,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2055 to 1941. [2020-10-12 19:08:44,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1941 states. [2020-10-12 19:08:44,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1941 states to 1941 states and 2614 transitions. [2020-10-12 19:08:44,390 INFO L78 Accepts]: Start accepts. Automaton has 1941 states and 2614 transitions. Word has length 308 [2020-10-12 19:08:44,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:08:44,390 INFO L479 AbstractCegarLoop]: Abstraction has 1941 states and 2614 transitions. [2020-10-12 19:08:44,390 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-12 19:08:44,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1941 states and 2614 transitions. [2020-10-12 19:08:44,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2020-10-12 19:08:44,395 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:08:44,396 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 10, 10, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:08:44,396 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-12 19:08:44,396 INFO L427 AbstractCegarLoop]: === Iteration 22 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:08:44,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:08:44,397 INFO L82 PathProgramCache]: Analyzing trace with hash -679532895, now seen corresponding path program 1 times [2020-10-12 19:08:44,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:08:44,404 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1474799532] [2020-10-12 19:08:44,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:08:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:44,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:44,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:45,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:45,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 380 [2020-10-12 19:08:45,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:08:45,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 824 [2020-10-12 19:08:45,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:45,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:08:45,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 370 [2020-10-12 19:08:45,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 19:08:45,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:45,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:08:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:45,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:45,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:45,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:45,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:45,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:08:45,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:45,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:45,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:45,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:45,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:45,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:08:45,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:45,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:45,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:45,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-12 19:08:45,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:45,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 19:08:45,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:45,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:45,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:45,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:45,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:45,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:45,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:45,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:45,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:08:45,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:45,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:08:45,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:45,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:45,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:45,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:45,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:45,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:08:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:45,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:45,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:45,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:45,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:45,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:45,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:45,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:45,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:45,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:45,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:45,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:08:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:45,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:45,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:45,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:45,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:45,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:45,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:45,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:45,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:45,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:45,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:45,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:08:45,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:45,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:45,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:45,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:45,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:45,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:45,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:45,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:45,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:45,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:45,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:45,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 19:08:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:45,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:45,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:45,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:08:45,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:45,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:08:45,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:45,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:45,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:45,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:45,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:45,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:08:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:45,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:45,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:45,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:45,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:45,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:45,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:45,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:45,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:45,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:45,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:45,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:08:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:45,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:45,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:45,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:45,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:45,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:45,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:45,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:45,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:45,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:45,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:45,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:08:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:45,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:45,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:45,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:45,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:45,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:45,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:45,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:45,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:45,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:45,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:45,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 19:08:45,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:45,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:45,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:45,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 19:08:45,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:45,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:08:45,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:45,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:45,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:45,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:45,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:45,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:08:45,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:45,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:45,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:45,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:08:45,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:45,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:45,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:45,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:45,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:45,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:45,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:45,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:08:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:45,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:45,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:45,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:08:45,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:45,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:45,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:45,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:45,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:45,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:45,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:45,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:08:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:45,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:45,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:45,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:08:45,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:45,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:45,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:45,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:45,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:45,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:45,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:45,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 19:08:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:45,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:45,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:45,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 19:08:45,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:45,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:08:45,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:45,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:45,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:45,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:45,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:45,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:08:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:45,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:45,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:45,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:45,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:45,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:45,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:45,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:45,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:45,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:45,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:45,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:08:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:45,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:45,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:45,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:45,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:45,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:45,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:45,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:45,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:45,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:45,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:45,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 19:08:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:45,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:45,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:45,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:45,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:45,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:45,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:45,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:45,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:45,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:45,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:45,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-12 19:08:45,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:45,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:45,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:45,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:45,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:45,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:45,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:45,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:45,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:45,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:45,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:45,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-12 19:08:45,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:45,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:45,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:45,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 19:08:45,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:45,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:08:45,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:45,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:45,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:45,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:45,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:45,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:45,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:45,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:45,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:45,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:45,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:45,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:08:45,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:45,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:45,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:45,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:45,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:45,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 19:08:45,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:45,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:45,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:45,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:45,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:45,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:45,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:45,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:45,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:45,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:45,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:45,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-12 19:08:45,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:45,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:45,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:45,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:08:45,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:45,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 19:08:45,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:45,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:45,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:45,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:45,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:45,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:45,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:45,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:45,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:45,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:45,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:45,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:08:45,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:45,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:45,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:45,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:45,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:08:45,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-10-12 19:08:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:45,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:45,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:45,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 19:08:45,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:45,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:08:45,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:45,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:45,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:45,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:45,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:08:45,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:45,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:45,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:45,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:45,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:45,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:08:45,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:45,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:45,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:45,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:45,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:08:45,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-12 19:08:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:45,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:45,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:45,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 19:08:45,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:45,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:08:45,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:45,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:45,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:45,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:45,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:45,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:08:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:45,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:45,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:45,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:45,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:45,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:45,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:45,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:45,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:45,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:45,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:45,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-10-12 19:08:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:45,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:45,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:45,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:45,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:08:45,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:08:45,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 19:08:45,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:45,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:08:45,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 19:08:45,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:08:45,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:08:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:46,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:46,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:46,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:46,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:46,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 19:08:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:46,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:08:46,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:08:46,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 19:08:46,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:08:46,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 19:08:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:46,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:46,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:46,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 19:08:46,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:46,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:08:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:46,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:46,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:46,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 19:08:46,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:46,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,146 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 621 trivial. 0 not checked. [2020-10-12 19:08:46,147 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1474799532] [2020-10-12 19:08:46,147 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:08:46,147 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-12 19:08:46,147 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423980223] [2020-10-12 19:08:46,148 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 19:08:46,148 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:08:46,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 19:08:46,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-10-12 19:08:46,149 INFO L87 Difference]: Start difference. First operand 1941 states and 2614 transitions. Second operand 15 states. [2020-10-12 19:08:48,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:08:48,795 INFO L93 Difference]: Finished difference Result 2915 states and 3944 transitions. [2020-10-12 19:08:48,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 19:08:48,798 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 308 [2020-10-12 19:08:48,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:08:48,804 INFO L225 Difference]: With dead ends: 2915 [2020-10-12 19:08:48,804 INFO L226 Difference]: Without dead ends: 1515 [2020-10-12 19:08:48,808 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=125, Invalid=381, Unknown=0, NotChecked=0, Total=506 [2020-10-12 19:08:48,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2020-10-12 19:08:48,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2020-10-12 19:08:48,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1515 states. [2020-10-12 19:08:48,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 1913 transitions. [2020-10-12 19:08:48,942 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 1913 transitions. Word has length 308 [2020-10-12 19:08:48,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:08:48,943 INFO L479 AbstractCegarLoop]: Abstraction has 1515 states and 1913 transitions. [2020-10-12 19:08:48,943 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 19:08:48,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 1913 transitions. [2020-10-12 19:08:48,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2020-10-12 19:08:48,948 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:08:48,948 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 10, 10, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:08:48,948 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-12 19:08:48,948 INFO L427 AbstractCegarLoop]: === Iteration 23 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:08:48,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:08:48,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1491839321, now seen corresponding path program 1 times [2020-10-12 19:08:48,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:08:48,949 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [347074506] [2020-10-12 19:08:48,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:08:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:48,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:49,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:49,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:49,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:49,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:49,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:51,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:53,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:53,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 383 [2020-10-12 19:08:53,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 19:08:53,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-12 19:08:53,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:53,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:08:53,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 373 [2020-10-12 19:08:53,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 19:08:53,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:54,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:08:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:54,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:54,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:54,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:54,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:54,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:08:54,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:54,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:54,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:54,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:54,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:54,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:08:54,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:54,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:54,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:54,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:54,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:54,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:54,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:54,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:55,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:55,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-12 19:08:55,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 19:08:55,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1502 [2020-10-12 19:08:55,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:55,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:08:55,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 19:08:55,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:08:55,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:55,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:55,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:55,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:55,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:55,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:55,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:55,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:55,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:55,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 19:08:55,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 19:08:55,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 232 [2020-10-12 19:08:55,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:55,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:08:55,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 19:08:55,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:08:55,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:55,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:08:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:55,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:55,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:55,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:55,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:55,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:08:55,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:08:55,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:55,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:08:55,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 19:08:55,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:08:55,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:55,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 19:08:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:55,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:55,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:55,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:55,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:55,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:55,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:08:55,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:08:55,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:55,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:08:55,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 19:08:55,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:08:55,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:55,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 19:08:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:55,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:55,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:55,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:55,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:55,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:55,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:08:55,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:08:55,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:55,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:08:55,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 19:08:55,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:08:55,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:55,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 19:08:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:55,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:55,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:55,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:08:55,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:55,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:08:55,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:55,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:55,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-12 19:08:55,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:55,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:55,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:08:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:55,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:55,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:55,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:55,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:55,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:55,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:55,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:55,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:55,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:55,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:55,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:08:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:55,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:55,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:55,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:55,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:55,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:55,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:56,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:56,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:56,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:56,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:56,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:08:56,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:56,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:56,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:56,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:56,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:56,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:56,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:56,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:56,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:56,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:56,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:56,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 19:08:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:56,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:56,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:56,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 19:08:56,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:56,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:08:56,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:56,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:56,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-12 19:08:56,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:56,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:56,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:08:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:56,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:56,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:56,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:08:56,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:56,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:56,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:56,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:56,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:56,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:56,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:56,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:08:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:56,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:56,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:56,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:08:56,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:56,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:56,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:56,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:56,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:56,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:56,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:56,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:08:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:56,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:56,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:56,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:08:56,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:56,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:56,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:56,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:56,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:56,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:56,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:56,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 19:08:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:56,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:56,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:56,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 19:08:56,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:56,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:08:56,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:56,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:56,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-12 19:08:56,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:56,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:56,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:08:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:56,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:56,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:56,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:56,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:56,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:56,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:56,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:56,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:56,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:56,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:56,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:08:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:56,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:56,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:56,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:56,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:56,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:08:56,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:56,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:56,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:56,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:56,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:56,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 19:08:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:56,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:56,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:56,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:56,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:56,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:08:56,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:56,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:56,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:56,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:56,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:56,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-12 19:08:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:56,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:56,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:56,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:56,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:56,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:08:56,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:56,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:56,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:56,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:56,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:56,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-12 19:08:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:56,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:56,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:56,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 19:08:56,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:56,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:08:56,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:56,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:56,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:56,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:56,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:56,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:56,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:56,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:56,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:56,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:56,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:56,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:08:56,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:56,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:56,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:56,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:56,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:56,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 19:08:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:56,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:56,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:56,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:56,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:56,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:56,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:56,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:56,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:56,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:56,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:56,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-10-12 19:08:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:56,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:56,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:56,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:08:56,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:56,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:08:56,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:56,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:56,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:56,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:56,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:56,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:56,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:56,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:56,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:56,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:56,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:56,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:56,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:56,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:56,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:56,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:56,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-10-12 19:08:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:56,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:56,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:56,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 19:08:56,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:56,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:08:56,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:56,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:56,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:56,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:56,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:56,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:56,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:56,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:56,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:56,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:56,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:56,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:56,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:56,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:56,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:56,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:56,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-10-12 19:08:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:56,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:56,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:56,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 19:08:56,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:56,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:56,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:56,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:56,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:56,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:56,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:56,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:08:56,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:56,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:56,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:56,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:56,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:56,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:56,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:56,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:56,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:56,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:56,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:56,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2020-10-12 19:08:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:56,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:56,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:56,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:08:56,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:56,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-12 19:08:56,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:56,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:08:56,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:56,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 19:08:56,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:56,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:08:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:56,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:56,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:56,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:56,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:56,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:56,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:56,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:56,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:56,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:56,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:56,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 19:08:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:56,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:56,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:56,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:56,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:56,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:56,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:56,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:56,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:56,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:56,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:56,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 19:08:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:56,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:56,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:56,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:56,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:56,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:56,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:56,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:56,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:56,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:56,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:56,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:08:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:56,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:56,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:56,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:56,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:56,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:08:56,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:56,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:56,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:56,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:56,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:56,530 INFO L134 CoverageAnalysis]: Checked inductivity of 657 backedges. 16 proven. 163 refuted. 0 times theorem prover too weak. 478 trivial. 0 not checked. [2020-10-12 19:08:56,530 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [347074506] [2020-10-12 19:08:56,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 19:08:56,531 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-12 19:08:56,531 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383990102] [2020-10-12 19:08:56,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-12 19:08:56,532 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:08:56,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-12 19:08:56,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2020-10-12 19:08:56,532 INFO L87 Difference]: Start difference. First operand 1515 states and 1913 transitions. Second operand 19 states. [2020-10-12 19:08:59,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:08:59,797 INFO L93 Difference]: Finished difference Result 2808 states and 3605 transitions. [2020-10-12 19:08:59,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-12 19:08:59,798 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 311 [2020-10-12 19:08:59,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:08:59,804 INFO L225 Difference]: With dead ends: 2808 [2020-10-12 19:08:59,805 INFO L226 Difference]: Without dead ends: 1292 [2020-10-12 19:08:59,808 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=213, Invalid=779, Unknown=0, NotChecked=0, Total=992 [2020-10-12 19:08:59,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1292 states. [2020-10-12 19:08:59,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1292 to 1266. [2020-10-12 19:08:59,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1266 states. [2020-10-12 19:08:59,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1606 transitions. [2020-10-12 19:08:59,920 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 1606 transitions. Word has length 311 [2020-10-12 19:08:59,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:08:59,920 INFO L479 AbstractCegarLoop]: Abstraction has 1266 states and 1606 transitions. [2020-10-12 19:08:59,921 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-12 19:08:59,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1606 transitions. [2020-10-12 19:08:59,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2020-10-12 19:08:59,924 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:08:59,925 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 9, 7, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:08:59,925 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-12 19:08:59,925 INFO L427 AbstractCegarLoop]: === Iteration 24 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:08:59,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:08:59,926 INFO L82 PathProgramCache]: Analyzing trace with hash 626792907, now seen corresponding path program 1 times [2020-10-12 19:08:59,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:08:59,926 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1597862224] [2020-10-12 19:08:59,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:08:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:00,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:00,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:00,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:05,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:05,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 402 [2020-10-12 19:09:05,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:09:05,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-12 19:09:05,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:05,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 19:09:05,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 184 [2020-10-12 19:09:05,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 188 [2020-10-12 19:09:05,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:05,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:09:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:05,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:05,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:05,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:09:05,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:05,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 19:09:05,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:05,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:05,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:05,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:05,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:09:05,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:09:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:05,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:05,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:05,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:06,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:06,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-12 19:09:06,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:09:06,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1407 [2020-10-12 19:09:06,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:06,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:09:06,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:06,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-10-12 19:09:06,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:09:06,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:09:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:06,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:06,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:06,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:09:06,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:06,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:09:06,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:06,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:06,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:06,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:06,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:09:06,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:09:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:06,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:06,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:06,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:06,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:06,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:09:06,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:06,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:06,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:06,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:06,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:09:06,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:09:06,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:06,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:06,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:06,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:06,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:06,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:09:06,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:06,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:06,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:06,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:06,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:09:06,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:09:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:06,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:06,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:06,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:06,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:06,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:09:06,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:06,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:06,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:06,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:06,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:09:06,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 19:09:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:06,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:06,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:06,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:09:06,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:06,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:09:06,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:06,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:06,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:06,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:06,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:09:06,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:09:06,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:06,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:06,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:06,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:09:06,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:06,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:09:06,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:06,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:06,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:06,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:06,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:09:06,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:09:06,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:06,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:06,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:06,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:09:06,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:06,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:09:06,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:06,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:06,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:06,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:06,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:09:06,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:09:06,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:06,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:06,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:06,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:09:06,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:06,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:09:06,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:06,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:06,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:06,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:06,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:09:06,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 19:09:06,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:06,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:06,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:06,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 19:09:06,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:06,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:09:06,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:06,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:06,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:06,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:06,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:09:06,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:09:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:06,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:06,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:06,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:09:06,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:06,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:09:06,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:06,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:06,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:06,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:06,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-12 19:09:06,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:09:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:06,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:06,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:06,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:09:06,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:06,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:09:06,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:06,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:06,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:06,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:06,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:09:06,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:09:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:06,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:06,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:06,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:09:06,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:06,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:09:06,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:06,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:06,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:06,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:06,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:09:06,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 19:09:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:06,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:06,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:06,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:07,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:07,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 19:09:07,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:09:07,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 584 [2020-10-12 19:09:07,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:07,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:09:07,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:07,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 19:09:07,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:09:07,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:09:07,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:07,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:07,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:07,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:07,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:07,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:09:07,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:07,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:09:07,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:07,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:09:07,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:09:07,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:09:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:07,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:07,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:07,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:07,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:07,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:09:07,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:07,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:09:07,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:07,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:09:07,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:09:07,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 19:09:07,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:07,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:07,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:07,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:07,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:07,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:09:07,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:07,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:09:07,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:07,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:09:07,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:09:07,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-12 19:09:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:07,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:07,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:07,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:09:07,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:07,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:09:07,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:07,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:09:07,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:07,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:09:07,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:09:07,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-12 19:09:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:07,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:07,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:07,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 19:09:07,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:07,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 19:09:07,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:07,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:09:07,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:07,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 19:09:07,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:07,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:09:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:07,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:07,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:07,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:09:07,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:07,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:09:07,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:07,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:07,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:07,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:07,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:09:07,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 19:09:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:07,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:07,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:07,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:09:07,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:07,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:09:07,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:07,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:07,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:07,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:07,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:09:07,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-12 19:09:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:07,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:07,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:07,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:09:07,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:07,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 19:09:07,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:07,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:09:07,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:07,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 19:09:07,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:09:07,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:09:07,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:07,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:07,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:07,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:07,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:07,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:09:07,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:07,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:07,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:07,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:07,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:09:07,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-10-12 19:09:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:07,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:07,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:07,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 19:09:07,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:07,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 19:09:07,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:07,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:09:07,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:07,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 19:09:07,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:09:07,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:09:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:07,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:07,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:07,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:09:07,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:07,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:09:07,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:07,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:07,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:07,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:07,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:09:07,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-12 19:09:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:07,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:07,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:07,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 19:09:07,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:07,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 19:09:07,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:07,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 19:09:07,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:09:07,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 19:09:07,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:09:08,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:09:08,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:08,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:08,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:08,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:09:08,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:08,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:09:08,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:08,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:09:08,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:09:08,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 19:09:08,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:09:08,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-10-12 19:09:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:08,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:08,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:08,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-12 19:09:08,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:08,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-12 19:09:08,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:08,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:09:08,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-12 19:09:08,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 19:09:08,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:08,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:09:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:08,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:08,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:08,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:09:08,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:08,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:08,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:08,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:08,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:08,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:08,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 19:09:08,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 19:09:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:08,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:08,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:08,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:09:08,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:08,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:09:08,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:08,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:08,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:08,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:08,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:08,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 19:09:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:08,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:08,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:08,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:09:08,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:08,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:09:08,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:08,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:08,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:08,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:08,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:08,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 19:09:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:08,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:08,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:08,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:09:08,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:08,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:09:08,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:08,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:09:08,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:08,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:09:08,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:08,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:09:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:08,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:08,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:08,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:08,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:08,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:09:08,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:08,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:09:08,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:08,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:09:08,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:08,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 19:09:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:08,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:08,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:08,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:09:08,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:08,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:09:08,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:08,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:09:08,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:08,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:09:08,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:08,404 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 142 proven. 27 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2020-10-12 19:09:08,405 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1597862224] [2020-10-12 19:09:08,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 19:09:08,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-12 19:09:08,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999473111] [2020-10-12 19:09:08,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-12 19:09:08,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:09:08,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-12 19:09:08,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2020-10-12 19:09:08,408 INFO L87 Difference]: Start difference. First operand 1266 states and 1606 transitions. Second operand 21 states. [2020-10-12 19:09:09,429 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2020-10-12 19:09:09,624 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2020-10-12 19:09:09,852 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2020-10-12 19:09:10,425 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-10-12 19:09:18,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:09:18,699 INFO L93 Difference]: Finished difference Result 3580 states and 4615 transitions. [2020-10-12 19:09:18,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-10-12 19:09:18,700 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 326 [2020-10-12 19:09:18,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:09:18,711 INFO L225 Difference]: With dead ends: 3580 [2020-10-12 19:09:18,711 INFO L226 Difference]: Without dead ends: 2623 [2020-10-12 19:09:18,715 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 938 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=634, Invalid=3026, Unknown=0, NotChecked=0, Total=3660 [2020-10-12 19:09:18,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2623 states. [2020-10-12 19:09:18,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2623 to 2016. [2020-10-12 19:09:18,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2016 states. [2020-10-12 19:09:18,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2016 states to 2016 states and 2578 transitions. [2020-10-12 19:09:18,890 INFO L78 Accepts]: Start accepts. Automaton has 2016 states and 2578 transitions. Word has length 326 [2020-10-12 19:09:18,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:09:18,891 INFO L479 AbstractCegarLoop]: Abstraction has 2016 states and 2578 transitions. [2020-10-12 19:09:18,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-12 19:09:18,891 INFO L276 IsEmpty]: Start isEmpty. Operand 2016 states and 2578 transitions. [2020-10-12 19:09:18,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2020-10-12 19:09:18,894 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:09:18,895 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 9, 7, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-12 19:09:18,895 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-12 19:09:18,895 INFO L427 AbstractCegarLoop]: === Iteration 25 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:09:18,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:09:18,896 INFO L82 PathProgramCache]: Analyzing trace with hash -786670331, now seen corresponding path program 1 times [2020-10-12 19:09:18,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:09:18,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [188997825] [2020-10-12 19:09:18,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:09:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:18,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:19,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:19,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:19,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:23,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:23,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 394 [2020-10-12 19:09:23,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 19:09:23,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-12 19:09:23,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:23,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-12 19:09:23,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-12 19:09:23,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 285 [2020-10-12 19:09:23,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:24,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:09:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:24,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:24,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:24,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:09:24,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:24,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:09:24,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:24,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:24,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:24,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:24,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:24,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:09:24,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:24,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:24,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:24,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:26,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:26,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-12 19:09:26,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:09:26,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2626 [2020-10-12 19:09:26,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:26,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:09:26,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:26,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 19:09:26,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:26,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:09:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:26,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:26,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:26,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:09:26,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:26,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:09:26,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:26,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:26,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:26,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:26,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:26,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:09:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:26,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:26,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:26,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:26,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:26,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:26,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:26,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:26,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:26,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:26,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:26,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:09:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:26,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:26,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:26,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:26,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:26,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:26,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:26,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:26,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:26,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:26,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:26,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:09:26,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:26,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:26,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:26,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:26,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:26,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:26,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:26,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:26,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:26,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:26,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:26,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 19:09:26,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:26,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:26,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:26,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:27,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:27,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:09:27,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:09:27,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 476 [2020-10-12 19:09:27,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:27,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:09:27,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:27,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 19:09:27,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:27,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:09:27,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:27,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:27,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:27,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:09:27,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:27,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:09:27,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:27,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:09:27,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:27,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:09:27,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:27,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:09:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:27,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:27,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:27,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:09:27,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:27,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:09:27,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:27,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:09:27,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:27,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:09:27,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:27,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:09:27,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:27,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:27,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:27,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:09:27,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:27,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:09:27,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:27,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:09:27,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:27,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:09:27,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:27,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 19:09:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:27,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:27,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:27,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 19:09:27,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:27,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:09:27,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:27,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:09:27,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:27,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-12 19:09:27,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:27,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:09:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:27,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:27,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:27,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:09:27,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:27,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:27,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:27,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:27,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:27,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:27,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:27,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:09:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:27,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:27,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:27,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:09:27,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:27,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:27,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:27,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:27,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:27,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:27,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:27,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:09:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:27,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:27,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:27,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:09:27,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:27,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:27,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:27,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:27,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:27,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:27,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:27,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 19:09:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:27,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:27,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:27,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 19:09:27,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:27,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 19:09:27,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:27,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:09:27,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:27,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-12 19:09:27,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:27,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:09:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:27,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:27,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:27,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:27,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:27,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:27,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:27,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:27,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:27,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:27,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:27,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:09:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:27,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:27,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:27,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:27,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:27,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:27,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:27,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:27,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:27,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:27,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:27,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 19:09:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:27,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:27,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:27,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:27,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:27,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:27,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:27,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:27,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:27,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:27,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:27,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-12 19:09:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:27,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:27,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:27,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:09:27,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:27,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:09:27,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:27,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:09:27,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:27,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:09:27,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:27,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-12 19:09:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:27,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:27,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:27,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:09:27,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:27,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 19:09:27,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:27,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:09:27,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:09:27,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:09:27,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:27,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:09:27,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:27,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:27,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:27,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:09:27,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:27,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:09:27,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:27,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:09:27,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:09:27,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 19:09:27,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:27,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-12 19:09:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:27,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:27,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:27,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:09:27,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:27,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 19:09:27,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:27,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 19:09:27,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:09:27,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 19:09:27,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:27,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:09:27,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:27,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:27,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:27,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:27,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:27,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:09:27,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:27,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:09:27,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:09:27,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 19:09:27,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:27,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-12 19:09:27,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:27,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:27,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:27,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 19:09:27,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:27,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 19:09:27,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:27,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:09:27,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:09:27,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 19:09:27,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:27,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:09:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:27,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:27,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:27,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:09:27,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:27,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:09:27,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:27,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:09:27,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:09:27,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 19:09:27,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:27,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-12 19:09:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:27,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:27,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:27,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 19:09:27,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:27,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:09:27,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:27,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:09:27,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:27,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 19:09:27,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:27,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:09:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:27,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:27,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:27,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:09:27,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:27,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:27,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:27,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:27,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:27,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:27,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:27,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-10-12 19:09:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:27,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:27,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:27,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:27,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-12 19:09:27,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:09:27,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-12 19:09:27,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:27,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:09:27,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-12 19:09:27,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 19:09:27,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:28,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:09:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:28,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:28,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:28,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:09:28,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:28,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:28,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:28,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:28,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:28,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:28,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:28,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 19:09:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:28,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:28,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:28,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:09:28,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:28,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:28,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:28,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:28,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:28,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:28,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:28,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 19:09:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:28,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:28,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:28,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:09:28,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:28,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:09:28,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:28,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:09:28,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:28,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:09:28,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:28,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 19:09:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:28,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:28,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:28,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:28,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:09:28,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:09:28,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:09:28,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:28,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:09:28,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 19:09:28,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:09:28,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:28,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:09:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:28,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:28,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:28,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:28,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:28,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:09:28,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:28,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:09:28,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:28,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:09:28,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:09:28,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 19:09:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:28,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:28,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:28,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:09:28,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:28,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:09:28,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:28,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:09:28,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:28,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:09:28,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:09:28,457 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 73 proven. 136 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2020-10-12 19:09:28,457 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [188997825] [2020-10-12 19:09:28,458 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 19:09:28,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-12 19:09:28,458 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174529678] [2020-10-12 19:09:28,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-12 19:09:28,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:09:28,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-12 19:09:28,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2020-10-12 19:09:28,460 INFO L87 Difference]: Start difference. First operand 2016 states and 2578 transitions. Second operand 24 states. [2020-10-12 19:09:29,405 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-12 19:09:29,551 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-12 19:09:30,027 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-12 19:09:30,733 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-12 19:09:33,606 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-12 19:09:33,731 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-12 19:09:35,824 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-12 19:09:36,704 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-12 19:09:36,865 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-12 19:09:39,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:09:39,931 INFO L93 Difference]: Finished difference Result 3856 states and 4907 transitions. [2020-10-12 19:09:39,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2020-10-12 19:09:39,931 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 320 [2020-10-12 19:09:39,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:09:39,942 INFO L225 Difference]: With dead ends: 3856 [2020-10-12 19:09:39,942 INFO L226 Difference]: Without dead ends: 2166 [2020-10-12 19:09:39,948 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 82 SyntacticMatches, 2 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1636 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=1041, Invalid=4811, Unknown=0, NotChecked=0, Total=5852 [2020-10-12 19:09:39,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2166 states. [2020-10-12 19:09:40,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2166 to 1943. [2020-10-12 19:09:40,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1943 states. [2020-10-12 19:09:40,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1943 states to 1943 states and 2414 transitions. [2020-10-12 19:09:40,090 INFO L78 Accepts]: Start accepts. Automaton has 1943 states and 2414 transitions. Word has length 320 [2020-10-12 19:09:40,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:09:40,091 INFO L479 AbstractCegarLoop]: Abstraction has 1943 states and 2414 transitions. [2020-10-12 19:09:40,091 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-12 19:09:40,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1943 states and 2414 transitions. [2020-10-12 19:09:40,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-10-12 19:09:40,094 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:09:40,094 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 9, 8, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-12 19:09:40,094 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-12 19:09:40,094 INFO L427 AbstractCegarLoop]: === Iteration 26 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:09:40,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:09:40,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1587165542, now seen corresponding path program 1 times [2020-10-12 19:09:40,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:09:40,095 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1973671422] [2020-10-12 19:09:40,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:09:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:40,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:40,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:40,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:42,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:42,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:42,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:45,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:45,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 415 [2020-10-12 19:09:45,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 19:09:45,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 19:09:45,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:45,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 19:09:45,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 249 [2020-10-12 19:09:45,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-12 19:09:45,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:45,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:09:45,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:45,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:45,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:45,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:09:45,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:45,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:09:45,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:45,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:45,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:45,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:45,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:45,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:09:45,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:45,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:45,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:45,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-12 19:09:45,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:45,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 19:09:45,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:45,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:45,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:45,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:45,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:45,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:09:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:45,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:45,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:45,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:09:45,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:45,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:09:45,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:45,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:45,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:45,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:45,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:45,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:09:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:45,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:45,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:45,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:45,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:45,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:45,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:45,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:45,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:45,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:45,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:45,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:09:45,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:45,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:45,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:45,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:45,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:45,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:09:45,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:45,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:45,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:45,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:45,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:45,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:09:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:45,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:45,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:45,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:45,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:45,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:09:45,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:45,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:45,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:45,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:45,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:45,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 19:09:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:45,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:45,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:45,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:09:45,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:45,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:09:45,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:45,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:45,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:45,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:45,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:45,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:09:45,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:45,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:45,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:45,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:09:45,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:45,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:45,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:45,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:45,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:45,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:45,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:45,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:09:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:45,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:45,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:45,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:09:45,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:45,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:45,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:45,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:45,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:45,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:45,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:45,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:09:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:45,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:45,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:45,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:09:45,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:45,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:45,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:45,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:45,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:45,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:45,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:45,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 19:09:45,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:45,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:45,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:45,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 19:09:45,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:45,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:09:45,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:45,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:45,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:45,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:45,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:45,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:09:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:45,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:45,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:45,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:09:45,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:45,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:45,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:45,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:45,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:45,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:45,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:45,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:09:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:45,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:45,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:45,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:09:45,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:45,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:45,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:45,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:45,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:45,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:45,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:45,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:09:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:45,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:45,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:45,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:09:45,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:45,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:45,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:45,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:45,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:45,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:45,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:45,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 19:09:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:45,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:45,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:45,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 19:09:45,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:45,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:09:45,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:45,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:45,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:45,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:45,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:45,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:09:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:45,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:45,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:45,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:45,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:45,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:45,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:45,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:45,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:45,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:45,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:45,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:09:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:45,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:45,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:45,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:45,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:45,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:45,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:45,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:45,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:45,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:45,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:45,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 19:09:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:45,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:45,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:45,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:45,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:45,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:45,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:45,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:45,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:45,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:45,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:45,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-12 19:09:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:45,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:45,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:45,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:09:45,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:45,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:09:45,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:45,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:45,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:45,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:45,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:45,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-12 19:09:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:45,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:45,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:45,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 19:09:45,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:45,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:09:45,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:45,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:09:45,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:45,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 19:09:45,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:45,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:09:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:45,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:45,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:45,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:09:45,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:45,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:45,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:45,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:45,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:45,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:45,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:45,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 19:09:45,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:45,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:45,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:45,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:09:45,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:45,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:45,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:45,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:45,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:45,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:45,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:45,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-12 19:09:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:45,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:45,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:45,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:09:45,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:45,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:09:45,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:45,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:09:45,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:45,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 19:09:45,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:45,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:09:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:45,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:45,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:45,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:45,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:45,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:09:45,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:45,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:45,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:45,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:45,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:45,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-10-12 19:09:45,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:45,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:45,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:45,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 19:09:45,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:45,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:09:45,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:45,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:09:45,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:45,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 19:09:45,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:45,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:09:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:45,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:45,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:45,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:09:45,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:45,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:45,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:45,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:45,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:45,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:45,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:45,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-12 19:09:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:45,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:45,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:45,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 19:09:45,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:45,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 19:09:45,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:45,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 19:09:45,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:09:45,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 19:09:45,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:45,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:09:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:45,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:45,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:45,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:09:45,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:45,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:09:45,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:45,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:09:45,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:45,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:09:45,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:45,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-10-12 19:09:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:45,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:45,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:45,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:45,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:45,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-12 19:09:45,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:09:45,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 197 [2020-10-12 19:09:45,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:45,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 19:09:45,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-12 19:09:45,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 19:09:45,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:46,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:09:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:46,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:46,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:46,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:09:46,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:46,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:46,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:46,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:46,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:46,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:46,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:46,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 19:09:46,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:46,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:46,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:46,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:09:46,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:46,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:46,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:46,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:46,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:46,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:46,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:46,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 19:09:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:46,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:46,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:46,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:09:46,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:46,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:46,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:46,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:46,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:46,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:46,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:46,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 19:09:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:46,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:46,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:46,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 19:09:46,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:46,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:46,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:46,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:46,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:46,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:46,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:46,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 19:09:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:46,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:46,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:46,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:46,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:46,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:09:46,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:46,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:09:46,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:46,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:09:46,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:46,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 19:09:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:46,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:46,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:46,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:46,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:46,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:09:46,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:46,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:09:46,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:46,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:09:46,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:46,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 19:09:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:46,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:46,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:46,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:46,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:46,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:46,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:46,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:09:46,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:46,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:09:46,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:46,225 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2020-10-12 19:09:46,225 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1973671422] [2020-10-12 19:09:46,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 19:09:46,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-12 19:09:46,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963585335] [2020-10-12 19:09:46,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 19:09:46,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:09:46,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 19:09:46,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=453, Unknown=0, NotChecked=0, Total=506 [2020-10-12 19:09:46,227 INFO L87 Difference]: Start difference. First operand 1943 states and 2414 transitions. Second operand 23 states. [2020-10-12 19:09:53,615 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-12 19:10:05,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:10:05,214 INFO L93 Difference]: Finished difference Result 6559 states and 8543 transitions. [2020-10-12 19:10:05,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2020-10-12 19:10:05,215 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 337 [2020-10-12 19:10:05,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:10:05,240 INFO L225 Difference]: With dead ends: 6559 [2020-10-12 19:10:05,241 INFO L226 Difference]: Without dead ends: 5027 [2020-10-12 19:10:05,250 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3240 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=1301, Invalid=8799, Unknown=0, NotChecked=0, Total=10100 [2020-10-12 19:10:05,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5027 states. [2020-10-12 19:10:05,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5027 to 3888. [2020-10-12 19:10:05,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3888 states. [2020-10-12 19:10:05,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3888 states to 3888 states and 4993 transitions. [2020-10-12 19:10:05,583 INFO L78 Accepts]: Start accepts. Automaton has 3888 states and 4993 transitions. Word has length 337 [2020-10-12 19:10:05,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:10:05,583 INFO L479 AbstractCegarLoop]: Abstraction has 3888 states and 4993 transitions. [2020-10-12 19:10:05,583 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-12 19:10:05,584 INFO L276 IsEmpty]: Start isEmpty. Operand 3888 states and 4993 transitions. [2020-10-12 19:10:05,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2020-10-12 19:10:05,588 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:10:05,589 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 9, 8, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:10:05,589 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-12 19:10:05,589 INFO L427 AbstractCegarLoop]: === Iteration 27 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:10:05,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:10:05,590 INFO L82 PathProgramCache]: Analyzing trace with hash -217668467, now seen corresponding path program 1 times [2020-10-12 19:10:05,590 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:10:05,590 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [33908387] [2020-10-12 19:10:05,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:10:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:05,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:05,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:06,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 407 [2020-10-12 19:10:07,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:10:07,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1428 [2020-10-12 19:10:07,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:10:07,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 365 [2020-10-12 19:10:07,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-12 19:10:07,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:10:07,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:07,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:10:07,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:07,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:10:07,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:07,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:07,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:07,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:10:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:07,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-12 19:10:07,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:07,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 19:10:07,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:07,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:07,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:07,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:10:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:07,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:10:07,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:07,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:10:07,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:07,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:07,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:07,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:10:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:07,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:10:07,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:07,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:10:07,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:07,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:07,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:07,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:10:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:07,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:10:07,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:07,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:10:07,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:07,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:07,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:07,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:10:07,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:07,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:10:07,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:07,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:10:07,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:07,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:07,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:07,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 19:10:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:07,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:10:07,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:07,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:10:07,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:07,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:07,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:07,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:10:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:07,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:10:07,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:07,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:10:07,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:07,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:07,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:07,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:10:07,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:07,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:10:07,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:07,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:10:07,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:07,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:07,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:07,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:10:07,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:07,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:10:07,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:07,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:10:07,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:07,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:07,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:07,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 19:10:07,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:07,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 19:10:07,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:07,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:10:07,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:07,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:07,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:07,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:10:07,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:07,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:10:07,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:07,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:10:07,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:07,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:07,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:07,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:10:07,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:07,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:10:07,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:07,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:10:07,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:07,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:07,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:07,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:10:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:07,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:10:07,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:07,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:10:07,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:07,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:07,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:07,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 19:10:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:07,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 19:10:07,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:07,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:10:07,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:07,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:07,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:07,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:10:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:07,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:10:07,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:07,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:10:07,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:07,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:07,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:07,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:10:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:07,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:10:07,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:07,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:10:07,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:07,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:07,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:07,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 19:10:07,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:07,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:10:07,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:07,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:10:07,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:07,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:07,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:07,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-12 19:10:07,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:07,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:10:07,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:07,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:10:07,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:07,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:07,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:07,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-12 19:10:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:07,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:10:07,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:07,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:10:07,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:07,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:07,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:07,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:10:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:07,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:10:07,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:07,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:10:07,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:07,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:07,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:07,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-12 19:10:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:07,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:10:07,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:07,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:10:07,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:07,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:07,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:07,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:10:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:07,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:10:07,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:07,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:10:07,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:07,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:07,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:07,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-12 19:10:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:07,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 19:10:07,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:07,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:10:07,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:07,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:07,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:07,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:10:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:07,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:10:07,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:07,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:10:07,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:07,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:07,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:07,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-12 19:10:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:07,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 19:10:07,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:07,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:10:07,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:07,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:07,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:07,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:10:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:07,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:10:07,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:07,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:10:07,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:07,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:07,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:07,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-10-12 19:10:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:07,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-12 19:10:07,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:07,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 19:10:07,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:10:07,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-12 19:10:07,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-12 19:10:07,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:10:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:07,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:10:07,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:07,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:10:07,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:07,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:07,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:07,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 19:10:07,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:07,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:10:07,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:07,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:10:07,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:07,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:07,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:07,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 19:10:07,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:07,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:10:07,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:07,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:10:07,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:07,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:07,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:07,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 19:10:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:07,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 19:10:07,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:07,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:10:07,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:07,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:07,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:07,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 19:10:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:07,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:10:07,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:07,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:10:07,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:10:07,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:07,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:10:07,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 19:10:07,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:07,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:10:07,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:07,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:10:07,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:10:07,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:07,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:10:07,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 19:10:07,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:07,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:07,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:07,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:10:07,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:07,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:10:07,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:07,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:10:07,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:07,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:10:07,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:07,732 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 774 trivial. 0 not checked. [2020-10-12 19:10:07,733 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [33908387] [2020-10-12 19:10:07,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:10:07,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 19:10:07,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101969462] [2020-10-12 19:10:07,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 19:10:07,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:10:07,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 19:10:07,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-10-12 19:10:07,734 INFO L87 Difference]: Start difference. First operand 3888 states and 4993 transitions. Second operand 13 states. [2020-10-12 19:10:10,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:10:10,651 INFO L93 Difference]: Finished difference Result 7431 states and 9861 transitions. [2020-10-12 19:10:10,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 19:10:10,652 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 331 [2020-10-12 19:10:10,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:10:10,678 INFO L225 Difference]: With dead ends: 7431 [2020-10-12 19:10:10,679 INFO L226 Difference]: Without dead ends: 4512 [2020-10-12 19:10:10,690 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=151, Invalid=311, Unknown=0, NotChecked=0, Total=462 [2020-10-12 19:10:10,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4512 states. [2020-10-12 19:10:11,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4512 to 3992. [2020-10-12 19:10:11,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3992 states. [2020-10-12 19:10:11,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3992 states to 3992 states and 5139 transitions. [2020-10-12 19:10:11,203 INFO L78 Accepts]: Start accepts. Automaton has 3992 states and 5139 transitions. Word has length 331 [2020-10-12 19:10:11,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:10:11,204 INFO L479 AbstractCegarLoop]: Abstraction has 3992 states and 5139 transitions. [2020-10-12 19:10:11,204 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 19:10:11,205 INFO L276 IsEmpty]: Start isEmpty. Operand 3992 states and 5139 transitions. [2020-10-12 19:10:11,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2020-10-12 19:10:11,212 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:10:11,213 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 9, 8, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:10:11,213 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-12 19:10:11,213 INFO L427 AbstractCegarLoop]: === Iteration 28 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:10:11,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:10:11,214 INFO L82 PathProgramCache]: Analyzing trace with hash 2145193737, now seen corresponding path program 1 times [2020-10-12 19:10:11,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:10:11,214 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [188659208] [2020-10-12 19:10:11,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:10:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:11,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:11,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:11,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:12,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:12,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:12,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:12,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:16,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:16,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 407 [2020-10-12 19:10:16,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 19:10:16,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-12 19:10:16,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:16,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 19:10:16,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 249 [2020-10-12 19:10:16,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-10-12 19:10:16,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:16,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:10:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:16,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:16,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:16,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:10:16,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:16,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:10:16,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:16,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:16,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:16,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:16,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:16,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:10:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:16,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:16,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:16,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-12 19:10:16,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:16,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 19:10:16,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:16,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:16,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:16,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:16,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:16,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:10:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:16,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:16,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:16,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:10:16,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:16,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:10:16,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:16,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:16,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:16,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:16,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:16,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:10:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:16,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:16,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:16,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:10:16,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:16,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:10:16,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:16,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:16,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:16,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:16,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:16,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:10:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:16,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:16,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:16,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:10:16,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:16,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:10:16,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:16,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:16,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:16,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:16,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:16,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:10:16,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:16,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:16,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:16,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:10:16,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:16,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:10:16,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:16,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:16,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:16,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:16,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:16,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 19:10:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:16,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:16,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:16,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:10:16,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:16,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:10:16,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:16,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:16,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:16,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:16,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:16,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:10:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:16,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:16,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:16,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:10:16,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:16,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:10:16,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:16,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:16,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:16,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:16,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:16,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:10:16,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:16,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:16,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:16,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:10:16,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:16,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:10:16,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:16,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:16,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:16,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:16,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:16,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:10:16,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:16,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:16,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:16,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:10:16,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:16,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:10:16,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:16,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:16,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:16,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:16,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:16,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 19:10:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:16,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:16,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:16,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 19:10:16,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:16,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:10:16,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:16,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:16,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:16,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:16,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:16,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:10:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:16,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:16,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:16,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:10:16,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:16,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:10:16,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:16,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:16,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:16,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:16,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:16,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:10:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:16,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:16,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:16,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:10:16,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:16,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-12 19:10:16,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:16,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:16,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:16,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:16,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:16,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:10:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:16,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:16,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:16,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:10:16,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:16,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:10:16,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:16,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:16,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:16,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:16,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:16,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 19:10:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:16,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:16,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:16,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 19:10:16,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:16,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:10:16,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:16,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:16,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:16,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:16,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:16,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:10:16,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:16,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:16,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:16,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:10:16,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:16,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:10:16,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:16,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:16,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:16,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:16,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:16,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:10:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:16,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:16,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:16,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:10:16,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:16,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:10:16,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:16,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:16,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:16,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:16,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:16,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 19:10:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:16,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:16,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:16,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:10:16,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:16,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:10:16,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:16,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:16,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:16,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:16,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:16,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-12 19:10:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:16,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:16,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:16,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:10:16,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:16,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:10:16,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:16,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:16,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:16,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:16,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:16,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-12 19:10:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:16,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:16,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:16,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:10:16,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:16,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:10:16,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:16,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:10:16,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:16,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 19:10:16,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:16,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:10:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:16,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:16,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:16,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:10:16,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:16,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:10:16,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:16,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:16,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:16,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:16,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:16,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-12 19:10:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:16,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:16,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:16,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:10:16,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:16,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:10:16,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:16,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:10:16,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:16,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 19:10:16,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:16,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:10:16,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:16,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:16,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:16,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:10:16,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:16,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:10:16,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:16,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:16,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:16,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:16,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:16,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-12 19:10:16,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:16,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:16,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:16,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 19:10:16,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:16,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:10:16,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:16,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:10:16,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:16,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 19:10:16,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:16,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:10:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:16,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:16,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:16,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:10:16,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:16,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:10:16,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:16,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:16,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:16,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:16,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:16,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-12 19:10:16,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:16,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:16,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:16,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 19:10:16,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:16,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:10:16,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:16,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:10:16,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:10:16,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 19:10:16,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:16,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:10:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:16,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:16,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:16,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:10:16,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:16,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:10:16,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:16,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:10:16,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:16,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:10:16,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:16,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-10-12 19:10:16,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:16,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:16,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:17,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:17,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-12 19:10:17,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:10:17,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-12 19:10:17,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:17,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 19:10:17,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-12 19:10:17,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-12 19:10:17,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:17,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:10:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:17,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:17,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:17,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:10:17,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:17,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:10:17,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:17,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:17,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:17,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:17,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:17,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 19:10:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:17,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:17,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:17,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:10:17,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:17,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:10:17,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:17,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:17,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:17,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:17,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:17,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 19:10:17,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:17,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:17,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:17,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:10:17,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:17,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:10:17,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:17,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:17,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:17,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:17,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:17,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 19:10:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:17,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:17,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:17,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 19:10:17,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:17,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:10:17,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:17,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:10:17,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:17,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:10:17,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:17,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 19:10:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:17,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:17,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:17,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:10:17,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:17,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:10:17,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:17,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:10:17,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:17,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:10:17,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:17,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 19:10:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:17,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:17,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:17,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:10:17,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:17,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:10:17,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:17,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:10:17,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:17,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:10:17,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:17,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 19:10:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:17,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:17,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:10:17,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:10:17,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:10:17,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:10:17,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:10:17,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:10:17,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:10:17,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:10:17,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:10:17,234 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 758 trivial. 0 not checked. [2020-10-12 19:10:17,235 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [188659208] [2020-10-12 19:10:17,235 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 19:10:17,235 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-12 19:10:17,235 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400207280] [2020-10-12 19:10:17,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-12 19:10:17,236 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:10:17,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-12 19:10:17,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2020-10-12 19:10:17,236 INFO L87 Difference]: Start difference. First operand 3992 states and 5139 transitions. Second operand 20 states. [2020-10-12 19:10:21,793 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-12 19:10:21,963 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-12 19:10:40,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:10:40,266 INFO L93 Difference]: Finished difference Result 10422 states and 13445 transitions. [2020-10-12 19:10:40,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2020-10-12 19:10:40,267 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 331 [2020-10-12 19:10:40,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:10:40,296 INFO L225 Difference]: With dead ends: 10422 [2020-10-12 19:10:40,296 INFO L226 Difference]: Without dead ends: 7115 [2020-10-12 19:10:40,311 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5147 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=1944, Invalid=12336, Unknown=0, NotChecked=0, Total=14280 [2020-10-12 19:10:40,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7115 states. [2020-10-12 19:10:40,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7115 to 4477. [2020-10-12 19:10:40,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4477 states. [2020-10-12 19:10:40,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4477 states to 4477 states and 5600 transitions. [2020-10-12 19:10:40,679 INFO L78 Accepts]: Start accepts. Automaton has 4477 states and 5600 transitions. Word has length 331 [2020-10-12 19:10:40,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:10:40,679 INFO L479 AbstractCegarLoop]: Abstraction has 4477 states and 5600 transitions. [2020-10-12 19:10:40,680 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-12 19:10:40,680 INFO L276 IsEmpty]: Start isEmpty. Operand 4477 states and 5600 transitions. [2020-10-12 19:10:40,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-10-12 19:10:40,684 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:10:40,684 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 9, 8, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-12 19:10:40,684 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-12 19:10:40,685 INFO L427 AbstractCegarLoop]: === Iteration 29 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:10:40,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:10:40,685 INFO L82 PathProgramCache]: Analyzing trace with hash 113675680, now seen corresponding path program 1 times [2020-10-12 19:10:40,685 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:10:40,685 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1391505627] [2020-10-12 19:10:40,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:10:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:10:40,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:40,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:41,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:10:41,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking...