/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/systemc/bist_cell.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 21:00:23,703 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 21:00:23,706 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 21:00:23,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 21:00:23,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 21:00:23,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 21:00:23,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 21:00:23,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 21:00:23,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 21:00:23,749 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 21:00:23,750 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 21:00:23,751 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 21:00:23,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 21:00:23,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 21:00:23,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 21:00:23,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 21:00:23,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 21:00:23,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 21:00:23,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 21:00:23,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 21:00:23,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 21:00:23,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 21:00:23,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 21:00:23,763 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 21:00:23,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 21:00:23,766 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 21:00:23,766 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 21:00:23,767 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 21:00:23,768 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 21:00:23,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 21:00:23,769 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 21:00:23,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 21:00:23,770 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 21:00:23,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 21:00:23,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 21:00:23,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 21:00:23,772 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 21:00:23,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 21:00:23,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 21:00:23,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 21:00:23,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 21:00:23,775 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 21:00:23,816 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 21:00:23,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 21:00:23,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 21:00:23,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 21:00:23,819 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 21:00:23,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 21:00:23,819 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 21:00:23,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 21:00:23,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 21:00:23,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 21:00:23,820 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 21:00:23,820 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 21:00:23,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 21:00:23,821 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 21:00:23,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 21:00:23,822 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 21:00:23,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 21:00:23,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 21:00:23,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 21:00:23,823 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 21:00:23,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 21:00:23,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 21:00:23,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 21:00:23,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 21:00:23,824 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 21:00:23,824 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 21:00:23,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 21:00:23,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 21:00:23,826 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 21:00:23,826 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 21:00:24,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 21:00:24,160 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 21:00:24,162 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 21:00:24,164 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 21:00:24,165 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 21:00:24,166 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/bist_cell.cil.c [2020-10-12 21:00:24,227 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9bc41728b/1e7ee26644c44d499b36e2c817664a83/FLAG4094117b3 [2020-10-12 21:00:24,700 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 21:00:24,701 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/bist_cell.cil.c [2020-10-12 21:00:24,715 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9bc41728b/1e7ee26644c44d499b36e2c817664a83/FLAG4094117b3 [2020-10-12 21:00:24,986 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9bc41728b/1e7ee26644c44d499b36e2c817664a83 [2020-10-12 21:00:24,996 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 21:00:24,998 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 21:00:24,999 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 21:00:25,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 21:00:25,003 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 21:00:25,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:00:24" (1/1) ... [2020-10-12 21:00:25,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45ea971c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:25, skipping insertion in model container [2020-10-12 21:00:25,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:00:24" (1/1) ... [2020-10-12 21:00:25,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 21:00:25,060 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 21:00:25,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:00:25,259 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 21:00:25,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:00:25,323 INFO L208 MainTranslator]: Completed translation [2020-10-12 21:00:25,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:25 WrapperNode [2020-10-12 21:00:25,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 21:00:25,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 21:00:25,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 21:00:25,325 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 21:00:25,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:25" (1/1) ... [2020-10-12 21:00:25,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:25" (1/1) ... [2020-10-12 21:00:25,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:25" (1/1) ... [2020-10-12 21:00:25,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:25" (1/1) ... [2020-10-12 21:00:25,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:25" (1/1) ... [2020-10-12 21:00:25,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:25" (1/1) ... [2020-10-12 21:00:25,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:25" (1/1) ... [2020-10-12 21:00:25,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 21:00:25,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 21:00:25,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 21:00:25,464 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 21:00:25,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:25" (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 21:00:25,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 21:00:25,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 21:00:25,541 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-12 21:00:25,541 INFO L138 BoogieDeclarations]: Found implementation of procedure method1 [2020-10-12 21:00:25,542 INFO L138 BoogieDeclarations]: Found implementation of procedure is_method1_triggered [2020-10-12 21:00:25,542 INFO L138 BoogieDeclarations]: Found implementation of procedure update_b0 [2020-10-12 21:00:25,543 INFO L138 BoogieDeclarations]: Found implementation of procedure update_b1 [2020-10-12 21:00:25,544 INFO L138 BoogieDeclarations]: Found implementation of procedure update_d0 [2020-10-12 21:00:25,545 INFO L138 BoogieDeclarations]: Found implementation of procedure update_d1 [2020-10-12 21:00:25,545 INFO L138 BoogieDeclarations]: Found implementation of procedure update_z [2020-10-12 21:00:25,545 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-12 21:00:25,545 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-12 21:00:25,545 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-12 21:00:25,546 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-12 21:00:25,546 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-12 21:00:25,548 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-12 21:00:25,549 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-12 21:00:25,549 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-12 21:00:25,549 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-12 21:00:25,549 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-12 21:00:25,550 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 21:00:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 21:00:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 21:00:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-12 21:00:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure method1 [2020-10-12 21:00:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure is_method1_triggered [2020-10-12 21:00:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure update_b0 [2020-10-12 21:00:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure update_b1 [2020-10-12 21:00:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure update_d0 [2020-10-12 21:00:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure update_d1 [2020-10-12 21:00:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure update_z [2020-10-12 21:00:25,554 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-12 21:00:25,554 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-12 21:00:25,554 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-12 21:00:25,554 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-12 21:00:25,554 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-12 21:00:25,554 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-12 21:00:25,554 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-12 21:00:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-12 21:00:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-12 21:00:25,557 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-12 21:00:25,557 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 21:00:25,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 21:00:25,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 21:00:26,131 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 21:00:26,132 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-12 21:00:26,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:00:26 BoogieIcfgContainer [2020-10-12 21:00:26,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 21:00:26,139 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 21:00:26,139 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 21:00:26,143 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 21:00:26,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 09:00:24" (1/3) ... [2020-10-12 21:00:26,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@242e9279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:00:26, skipping insertion in model container [2020-10-12 21:00:26,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:25" (2/3) ... [2020-10-12 21:00:26,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@242e9279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:00:26, skipping insertion in model container [2020-10-12 21:00:26,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:00:26" (3/3) ... [2020-10-12 21:00:26,146 INFO L109 eAbstractionObserver]: Analyzing ICFG bist_cell.cil.c [2020-10-12 21:00:26,157 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 21:00:26,166 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 21:00:26,184 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 21:00:26,206 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 21:00:26,206 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 21:00:26,207 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 21:00:26,207 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 21:00:26,207 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 21:00:26,207 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 21:00:26,207 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 21:00:26,208 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 21:00:26,229 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2020-10-12 21:00:26,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-12 21:00:26,239 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:26,240 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:00:26,240 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:26,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:26,247 INFO L82 PathProgramCache]: Analyzing trace with hash -778963544, now seen corresponding path program 1 times [2020-10-12 21:00:26,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:26,256 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1538832322] [2020-10-12 21:00:26,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:26,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:26,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:27,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:27,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:27,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:27,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:27,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:27,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:27,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:27,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:29,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:31,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:31,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:31,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:31,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-12 21:00:31,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-12 21:00:31,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 21:00:31,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:31,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 21:00:31,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 21:00:31,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-12 21:00:31,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 21:00:31,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:31,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:31,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:31,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:31,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:00:31,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:31,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:00:31,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:31,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:31,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:31,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:31,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:31,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:00:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:31,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:31,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:31,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:00:31,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:31,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:00:31,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:31,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:31,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:31,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:00:31,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:31,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:00:31,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:31,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:31,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:31,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:32,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:32,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 21:00:32,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:00:32,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 265 [2020-10-12 21:00:32,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:32,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 21:00:32,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:00:32,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 21:00:32,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:32,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:00:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:32,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:32,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:32,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:00:32,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:32,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:00:32,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:32,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:00:32,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:00:32,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:00:32,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:32,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 21:00:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:32,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:32,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:32,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:00:32,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:32,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:00:32,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:32,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:32,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:32,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:00:32,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:32,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 21:00:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:32,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:32,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:32,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:00:32,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:32,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:00:32,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:32,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:00:32,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:00:32,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:00:32,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:32,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:00:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:32,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:32,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:32,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:00:32,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:32,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:00:32,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:32,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:32,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:32,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:00:32,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:32,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:00:32,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:32,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:32,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:32,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:00:32,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:32,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:32,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:32,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:32,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:32,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:32,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:32,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 21:00:32,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:32,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:32,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:32,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:00:32,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:32,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:00:32,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:32,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:00:32,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:00:32,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:00:32,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:32,284 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 21:00:32,285 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1538832322] [2020-10-12 21:00:32,287 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:32,287 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 21:00:32,288 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692052383] [2020-10-12 21:00:32,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 21:00:32,295 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:32,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 21:00:32,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-12 21:00:32,312 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 11 states. [2020-10-12 21:00:36,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:36,636 INFO L93 Difference]: Finished difference Result 570 states and 909 transitions. [2020-10-12 21:00:36,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-12 21:00:36,639 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 58 [2020-10-12 21:00:36,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:36,661 INFO L225 Difference]: With dead ends: 570 [2020-10-12 21:00:36,662 INFO L226 Difference]: Without dead ends: 437 [2020-10-12 21:00:36,668 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2020-10-12 21:00:36,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2020-10-12 21:00:36,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 259. [2020-10-12 21:00:36,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2020-10-12 21:00:36,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 355 transitions. [2020-10-12 21:00:36,794 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 355 transitions. Word has length 58 [2020-10-12 21:00:36,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:36,795 INFO L479 AbstractCegarLoop]: Abstraction has 259 states and 355 transitions. [2020-10-12 21:00:36,795 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 21:00:36,796 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 355 transitions. [2020-10-12 21:00:36,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-12 21:00:36,811 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:36,811 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:00:36,812 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 21:00:36,812 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:36,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:36,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1978257608, now seen corresponding path program 1 times [2020-10-12 21:00:36,814 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:36,814 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1660656181] [2020-10-12 21:00:36,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:36,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:36,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:36,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:36,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:37,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:37,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:37,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:38,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:41,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:41,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-12 21:00:41,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 21:00:41,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-12 21:00:41,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:41,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:00:41,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 21:00:41,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 21:00:41,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:41,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:41,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:41,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:41,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:00:41,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:41,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:00:41,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:41,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:41,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:41,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:41,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:42,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:00:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:42,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:42,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:42,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:00:42,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:42,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:00:42,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:42,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:42,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:42,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:00:42,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:42,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:00:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:42,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:42,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:42,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:42,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:42,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:42,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:43,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:47,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:47,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-12 21:00:47,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:00:47,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 21:00:47,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:47,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:00:47,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-12 21:00:47,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-12 21:00:47,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:47,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:00:47,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:47,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:47,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:47,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:00:47,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:47,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:00:47,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:47,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:47,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:47,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:47,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:47,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 21:00:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:47,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:47,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:47,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:00:47,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:47,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:47,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:47,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:47,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:47,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:47,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:47,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 21:00:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:47,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:47,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:47,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:00:47,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:47,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:00:47,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:47,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:47,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:47,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:00:47,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:47,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:00:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:47,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:47,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:47,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:00:47,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:47,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:00:47,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:47,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:47,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:47,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:00:47,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:47,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:00:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:47,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:47,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:47,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:00:47,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:47,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:47,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:47,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:47,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:47,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:47,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:47,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 21:00:47,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:47,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:47,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:47,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:00:47,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:47,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:00:47,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:47,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:00:47,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:00:47,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:00:47,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:47,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 21:00:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:47,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:47,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:47,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:47,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:00:47,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:00:47,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 21:00:47,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:47,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:00:47,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:00:47,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:00:47,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:47,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:00:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:47,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:47,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:47,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:00:47,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:47,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:00:47,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:47,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:00:47,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:47,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:00:47,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:47,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 21:00:47,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:47,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:47,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:47,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:00:47,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:47,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 21:00:47,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:47,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:00:47,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:00:47,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:00:47,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:47,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 21:00:47,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:47,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:47,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:47,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:00:47,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:47,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:00:47,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:47,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:00:47,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:00:47,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:00:47,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:47,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-12 21:00:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:47,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:47,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:47,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:00:47,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:47,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:00:47,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:47,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:47,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 21:00:47,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:47,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:47,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:00:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:47,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:47,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:47,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:00:47,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:47,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:47,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:47,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:47,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:47,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:47,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:47,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 21:00:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:47,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:47,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:47,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:00:47,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:47,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:00:47,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:47,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:47,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 21:00:47,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:47,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:47,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 21:00:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:47,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:47,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:47,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:00:47,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:47,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:00:47,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:47,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:47,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 21:00:47,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:47,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:47,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:00:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:47,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:47,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:47,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:00:47,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:47,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:47,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:47,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:47,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:47,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:47,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:47,620 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-12 21:00:47,620 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1660656181] [2020-10-12 21:00:47,621 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:00:47,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-12 21:00:47,621 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268768899] [2020-10-12 21:00:47,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-12 21:00:47,623 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:47,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-12 21:00:47,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2020-10-12 21:00:47,624 INFO L87 Difference]: Start difference. First operand 259 states and 355 transitions. Second operand 19 states. [2020-10-12 21:00:59,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:59,033 INFO L93 Difference]: Finished difference Result 2274 states and 3894 transitions. [2020-10-12 21:00:59,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2020-10-12 21:00:59,034 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 125 [2020-10-12 21:00:59,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:59,057 INFO L225 Difference]: With dead ends: 2274 [2020-10-12 21:00:59,057 INFO L226 Difference]: Without dead ends: 2038 [2020-10-12 21:00:59,069 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4676 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=2444, Invalid=10438, Unknown=0, NotChecked=0, Total=12882 [2020-10-12 21:00:59,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2038 states. [2020-10-12 21:00:59,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2038 to 1289. [2020-10-12 21:00:59,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1289 states. [2020-10-12 21:00:59,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1881 transitions. [2020-10-12 21:00:59,268 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1881 transitions. Word has length 125 [2020-10-12 21:00:59,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:59,269 INFO L479 AbstractCegarLoop]: Abstraction has 1289 states and 1881 transitions. [2020-10-12 21:00:59,269 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-12 21:00:59,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1881 transitions. [2020-10-12 21:00:59,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-12 21:00:59,282 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:59,283 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:00:59,283 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 21:00:59,283 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:59,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:59,284 INFO L82 PathProgramCache]: Analyzing trace with hash 2023152500, now seen corresponding path program 1 times [2020-10-12 21:00:59,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:59,285 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [899580343] [2020-10-12 21:00:59,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:59,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:59,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:59,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:59,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:00,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:00,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:00,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:00,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:00,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:00,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:01,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:01,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:01,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:01,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:04,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:04,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-12 21:01:04,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-12 21:01:04,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 21:01:04,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:04,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:01:04,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 21:01:04,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-12 21:01:04,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:04,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:01:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:04,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:04,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:04,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:04,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:04,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:04,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:04,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:04,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:04,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:04,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:04,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:01:04,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:04,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:04,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:04,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:04,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:04,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:01:04,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:04,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:04,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:04,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:01:04,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:04,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:01:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:04,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:04,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:04,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:05,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:05,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:05,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:09,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:09,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-12 21:01:09,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 21:01:09,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 21:01:09,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:09,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:01:09,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:01:09,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-10-12 21:01:09,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:09,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:09,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:09,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:09,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:09,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:01:09,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:09,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:01:09,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:09,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:01:09,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:01:09,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:01:09,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:09,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 21:01:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:09,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:09,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:09,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:09,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:09,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:09,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:09,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:09,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:09,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:01:09,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:09,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 21:01:09,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:09,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:09,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:09,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:01:09,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:09,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:09,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:09,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:09,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:09,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:01:09,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:09,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:01:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:09,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:09,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:09,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:01:09,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:09,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:01:09,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:09,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:09,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:09,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:01:09,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:09,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:09,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:09,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:09,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:09,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:09,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:09,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:09,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:09,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:09,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:09,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:09,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:09,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 21:01:09,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:09,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:09,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:09,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:01:09,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:09,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:09,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:09,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:09,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:09,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:01:09,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:09,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 21:01:09,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:09,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:09,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:09,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:01:09,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:09,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:09,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:09,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:09,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:09,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:01:09,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:09,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:01:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:09,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:09,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:09,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:09,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:09,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:09,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:09,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:09,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:09,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:09,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:09,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 21:01:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:09,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:09,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:09,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:01:09,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:09,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:01:09,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:09,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:01:09,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:01:09,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:01:09,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:09,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 21:01:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:09,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:09,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:09,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:01:09,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:09,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:09,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:09,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:09,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:09,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:01:09,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:09,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 21:01:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:09,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:09,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:09,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:01:09,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:09,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:09,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:09,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:09,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:09,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:01:09,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:09,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:09,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:09,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:09,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:09,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:09,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:09,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:09,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:09,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:09,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:09,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:09,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:09,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 21:01:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:09,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:09,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:09,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:01:09,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:09,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:09,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:09,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:09,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:09,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:01:09,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:09,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-12 21:01:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:09,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:09,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:09,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:01:09,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:09,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:09,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:09,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:09,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:09,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:01:09,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:09,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:09,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:09,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:09,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:09,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:09,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:09,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:09,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:09,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:09,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:09,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:09,787 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-12 21:01:09,788 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [899580343] [2020-10-12 21:01:09,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:01:09,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 21:01:09,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628689625] [2020-10-12 21:01:09,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 21:01:09,790 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:01:09,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 21:01:09,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 21:01:09,790 INFO L87 Difference]: Start difference. First operand 1289 states and 1881 transitions. Second operand 12 states. [2020-10-12 21:01:12,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:01:12,835 INFO L93 Difference]: Finished difference Result 3315 states and 4969 transitions. [2020-10-12 21:01:12,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-12 21:01:12,840 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 127 [2020-10-12 21:01:12,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:01:12,855 INFO L225 Difference]: With dead ends: 3315 [2020-10-12 21:01:12,855 INFO L226 Difference]: Without dead ends: 2067 [2020-10-12 21:01:12,860 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=228, Invalid=584, Unknown=0, NotChecked=0, Total=812 [2020-10-12 21:01:12,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2067 states. [2020-10-12 21:01:13,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2067 to 1410. [2020-10-12 21:01:13,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1410 states. [2020-10-12 21:01:13,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 1410 states and 2047 transitions. [2020-10-12 21:01:13,047 INFO L78 Accepts]: Start accepts. Automaton has 1410 states and 2047 transitions. Word has length 127 [2020-10-12 21:01:13,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:01:13,047 INFO L479 AbstractCegarLoop]: Abstraction has 1410 states and 2047 transitions. [2020-10-12 21:01:13,047 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 21:01:13,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 2047 transitions. [2020-10-12 21:01:13,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-12 21:01:13,057 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:01:13,058 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:01:13,058 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 21:01:13,058 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:01:13,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:01:13,059 INFO L82 PathProgramCache]: Analyzing trace with hash 248507286, now seen corresponding path program 1 times [2020-10-12 21:01:13,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:01:13,060 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [799070417] [2020-10-12 21:01:13,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:01:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:13,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:13,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:13,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:13,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:14,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:14,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:14,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:14,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:14,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:14,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:15,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:15,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:15,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:18,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:18,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-12 21:01:18,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-12 21:01:18,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-12 21:01:18,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:18,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:01:18,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 21:01:18,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-12 21:01:18,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:18,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:01:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:18,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:18,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:18,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:18,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:18,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:18,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:18,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:18,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:18,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:18,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:18,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:01:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:18,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:18,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:18,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:18,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:18,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:01:18,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:18,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:18,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:18,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:01:18,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:18,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:01:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:18,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:18,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:18,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:18,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:18,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:18,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:23,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:23,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-12 21:01:23,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 21:01:23,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 21:01:23,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:23,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:01:23,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:01:23,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-12 21:01:23,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:23,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:23,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:23,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:23,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:23,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:01:23,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:23,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:01:23,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:23,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:01:23,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:01:23,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 21:01:23,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:23,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:01:23,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:23,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:23,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:23,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:23,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:23,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:23,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:23,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:23,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:23,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:01:23,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:23,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 21:01:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:23,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:23,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:23,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:23,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:23,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:23,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:23,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:23,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:23,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:01:23,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:23,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 21:01:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:23,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:23,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:23,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:01:23,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:23,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:23,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:23,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:23,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:23,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:01:23,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:23,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 21:01:23,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:23,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:23,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:23,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:01:23,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:23,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:23,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:23,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:23,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:23,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:01:23,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:23,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:23,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:23,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:23,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:23,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:23,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:23,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:23,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:23,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:23,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:23,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:23,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:23,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 21:01:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:23,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:23,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:23,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:01:23,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:23,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:23,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:23,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:23,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:23,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:01:23,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:23,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 21:01:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:23,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:23,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:23,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:01:23,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:23,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:23,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:23,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:23,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:23,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:01:23,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:23,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:01:23,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:23,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:23,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:23,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:23,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:23,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:23,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:23,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:23,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:23,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:23,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:23,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 21:01:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:23,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:23,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:23,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:01:23,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:23,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:01:23,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:23,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:01:23,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:01:23,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:01:23,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:23,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 21:01:23,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:23,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:23,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:23,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:01:23,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:23,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:01:23,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:23,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:23,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:23,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:01:23,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:23,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 21:01:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:23,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:23,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:23,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:01:23,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:23,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:01:23,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:23,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:23,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:23,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:01:23,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:23,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:23,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:23,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:23,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:23,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:23,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:23,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:23,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:23,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:23,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:23,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:23,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 21:01:23,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:23,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:23,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:23,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:01:23,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:23,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:23,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:23,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:23,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:23,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:01:23,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:23,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 21:01:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:23,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:23,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:23,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:01:23,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:23,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:23,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:23,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:23,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:23,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:01:23,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:23,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:23,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:23,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:23,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:23,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:23,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:23,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:23,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:23,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:23,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:23,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:23,583 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-10-12 21:01:23,584 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [799070417] [2020-10-12 21:01:23,584 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:01:23,584 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 21:01:23,584 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155692608] [2020-10-12 21:01:23,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:01:23,585 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:01:23,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:01:23,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:01:23,586 INFO L87 Difference]: Start difference. First operand 1410 states and 2047 transitions. Second operand 13 states. [2020-10-12 21:01:26,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:01:26,114 INFO L93 Difference]: Finished difference Result 3934 states and 5858 transitions. [2020-10-12 21:01:26,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-12 21:01:26,119 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 132 [2020-10-12 21:01:26,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:01:26,137 INFO L225 Difference]: With dead ends: 3934 [2020-10-12 21:01:26,137 INFO L226 Difference]: Without dead ends: 2606 [2020-10-12 21:01:26,144 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=397, Invalid=1163, Unknown=0, NotChecked=0, Total=1560 [2020-10-12 21:01:26,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2606 states. [2020-10-12 21:01:26,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2606 to 1565. [2020-10-12 21:01:26,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1565 states. [2020-10-12 21:01:26,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1565 states and 2261 transitions. [2020-10-12 21:01:26,345 INFO L78 Accepts]: Start accepts. Automaton has 1565 states and 2261 transitions. Word has length 132 [2020-10-12 21:01:26,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:01:26,346 INFO L479 AbstractCegarLoop]: Abstraction has 1565 states and 2261 transitions. [2020-10-12 21:01:26,346 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:01:26,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 2261 transitions. [2020-10-12 21:01:26,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-12 21:01:26,354 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:01:26,354 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:01:26,355 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 21:01:26,356 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:01:26,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:01:26,356 INFO L82 PathProgramCache]: Analyzing trace with hash -294053822, now seen corresponding path program 1 times [2020-10-12 21:01:26,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:01:26,356 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1953010156] [2020-10-12 21:01:26,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:01:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:26,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:26,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:26,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:26,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:26,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:26,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:31,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:31,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-12 21:01:31,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 21:01:31,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 21:01:31,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:31,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:01:31,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 21:01:31,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 21:01:31,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:31,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:01:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:31,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:31,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:31,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:31,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:31,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:01:31,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:31,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:31,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:31,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:31,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:01:31,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:01:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:31,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:31,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:31,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:31,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:31,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:01:31,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:31,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:31,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:31,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:01:31,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:31,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:01:31,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:31,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:31,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:31,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:31,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:32,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:33,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:33,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:36,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:36,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-12 21:01:36,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:01:36,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 21:01:36,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:36,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 21:01:36,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-12 21:01:36,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-12 21:01:36,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:36,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:36,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:36,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:36,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 21:01:36,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:36,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:36,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:36,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:36,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:36,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:36,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:36,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:01:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:36,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:36,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:36,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:36,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:36,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:36,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:36,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:36,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:36,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:36,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:36,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 21:01:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:36,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:36,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:36,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:36,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:36,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:36,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:36,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:36,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:36,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:36,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:36,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:01:36,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:36,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:36,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:36,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:36,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:36,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:36,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:36,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:36,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:36,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:36,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:36,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 21:01:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:36,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:36,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:36,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:01:36,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:36,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:36,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:36,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:36,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:36,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:01:36,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:36,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 21:01:36,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:36,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:36,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:36,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:01:36,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:36,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:36,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:36,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:36,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:36,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:01:36,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:36,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:36,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:36,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:36,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:36,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:36,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:36,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:36,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:36,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:36,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:36,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:36,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 21:01:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:36,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:36,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:36,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:36,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:01:36,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:01:36,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:01:36,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:36,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:01:36,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:01:36,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:01:36,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:36,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 21:01:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:36,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:36,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:36,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:01:36,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:36,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:36,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:36,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:36,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:36,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:01:36,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:36,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:01:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:36,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:36,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:36,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:36,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:36,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:36,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:36,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:36,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:36,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:36,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:36,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 21:01:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:36,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:36,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:36,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:01:36,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:36,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:01:36,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:36,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:01:36,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:01:36,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:01:36,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:36,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 21:01:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:36,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:36,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:36,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:01:36,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:36,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:01:36,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:36,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:01:36,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:01:36,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:01:36,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:36,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 21:01:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:36,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:36,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:36,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:01:36,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:36,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:36,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:36,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:36,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:36,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:01:36,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:36,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:36,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:36,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:36,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:36,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:36,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:36,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:36,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:36,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:36,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:36,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:36,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:36,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-12 21:01:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:36,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:36,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:36,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:01:36,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:36,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:01:36,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:36,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:01:36,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:01:36,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:01:36,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:36,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 21:01:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:36,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:36,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:36,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:01:36,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:36,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:36,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:36,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:36,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 21:01:36,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:36,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:36,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:36,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:36,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:36,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:36,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:36,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:36,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:36,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:36,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:36,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:36,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:36,970 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-12 21:01:36,970 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1953010156] [2020-10-12 21:01:36,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:01:36,970 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-12 21:01:36,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452880267] [2020-10-12 21:01:36,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 21:01:36,971 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:01:36,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 21:01:36,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2020-10-12 21:01:36,972 INFO L87 Difference]: Start difference. First operand 1565 states and 2261 transitions. Second operand 15 states. [2020-10-12 21:01:42,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:01:42,506 INFO L93 Difference]: Finished difference Result 5351 states and 8521 transitions. [2020-10-12 21:01:42,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2020-10-12 21:01:42,507 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 137 [2020-10-12 21:01:42,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:01:42,533 INFO L225 Difference]: With dead ends: 5351 [2020-10-12 21:01:42,534 INFO L226 Difference]: Without dead ends: 3868 [2020-10-12 21:01:42,543 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 82 SyntacticMatches, 2 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1797 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1016, Invalid=4386, Unknown=0, NotChecked=0, Total=5402 [2020-10-12 21:01:42,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3868 states. [2020-10-12 21:01:42,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3868 to 2198. [2020-10-12 21:01:42,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2198 states. [2020-10-12 21:01:42,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2198 states to 2198 states and 3151 transitions. [2020-10-12 21:01:42,859 INFO L78 Accepts]: Start accepts. Automaton has 2198 states and 3151 transitions. Word has length 137 [2020-10-12 21:01:42,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:01:42,860 INFO L479 AbstractCegarLoop]: Abstraction has 2198 states and 3151 transitions. [2020-10-12 21:01:42,860 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 21:01:42,860 INFO L276 IsEmpty]: Start isEmpty. Operand 2198 states and 3151 transitions. [2020-10-12 21:01:42,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-12 21:01:42,873 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:01:42,873 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:01:42,874 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 21:01:42,874 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:01:42,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:01:42,875 INFO L82 PathProgramCache]: Analyzing trace with hash -757929921, now seen corresponding path program 1 times [2020-10-12 21:01:42,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:01:42,875 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2075536296] [2020-10-12 21:01:42,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:01:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:42,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:42,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:42,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:42,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:43,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:43,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:43,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:44,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:44,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:47,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:47,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-12 21:01:47,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 21:01:47,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 21:01:47,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:47,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 21:01:47,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-12 21:01:47,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-12 21:01:47,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:47,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:01:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:47,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:47,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:47,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:47,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:47,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:01:47,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:47,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:47,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:47,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:47,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:01:48,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:01:48,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:48,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:48,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:48,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:48,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:48,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:48,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:48,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:48,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:48,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:48,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:48,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:01:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:48,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:48,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:48,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:48,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:48,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:48,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:48,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:48,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:49,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:49,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:49,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:53,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:53,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-12 21:01:53,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-12 21:01:53,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 21:01:53,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:53,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 21:01:53,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 21:01:53,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-12 21:01:53,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:53,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:53,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:53,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:53,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 21:01:53,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:53,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:01:53,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:53,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:53,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:53,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:01:53,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:53,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:01:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:53,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:53,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:53,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:53,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:53,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:53,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:53,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:53,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:53,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:53,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:01:53,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 21:01:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:53,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:53,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:53,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:53,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:53,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:53,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:53,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:53,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:53,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:01:53,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:01:53,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:01:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:53,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:53,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:53,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:53,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:53,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:53,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:53,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:53,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:53,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:01:53,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:53,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 21:01:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:53,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:53,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:53,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:01:53,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:53,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:01:53,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:53,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:01:53,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:01:53,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:01:53,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:53,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 21:01:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:53,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:53,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:53,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:01:53,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:53,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:53,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:53,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:53,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:53,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:01:53,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:01:53,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:53,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:53,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:53,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:53,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:53,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:53,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:53,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:53,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:53,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:53,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:53,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:01:53,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 21:01:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:53,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:53,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:53,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:53,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:01:53,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:01:53,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:01:53,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:53,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:01:53,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:01:53,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:01:53,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:53,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 21:01:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:53,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:53,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:53,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:01:53,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:53,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:01:53,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:53,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:53,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:53,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:01:53,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:53,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:01:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:53,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:53,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:53,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:53,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:53,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:53,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:53,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:53,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:53,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:53,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:53,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 21:01:53,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:53,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:53,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:53,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:01:53,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:53,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:01:53,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:53,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:01:53,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:01:53,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:01:53,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:53,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 21:01:53,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:53,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:53,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:53,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:01:53,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:53,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:01:53,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:53,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:01:53,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:01:53,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:01:53,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:53,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 21:01:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:53,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:53,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:53,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:53,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:01:53,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:01:53,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:01:53,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:53,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:53,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:53,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 21:01:53,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:53,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:53,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:53,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:53,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:53,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:01:53,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:53,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:53,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:53,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:53,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:53,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:53,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:53,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:01:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:53,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:53,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:53,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:01:53,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:53,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:01:53,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:53,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:01:53,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:01:53,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:01:53,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:53,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 21:01:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:53,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:53,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:53,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:01:53,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:53,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:53,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:53,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:53,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 21:01:53,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:53,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:53,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:53,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:53,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:53,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:53,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:53,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:53,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:53,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:53,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:53,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:53,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:53,574 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-12 21:01:53,574 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2075536296] [2020-10-12 21:01:53,574 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:01:53,575 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-12 21:01:53,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559709519] [2020-10-12 21:01:53,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-12 21:01:53,576 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:01:53,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-12 21:01:53,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-10-12 21:01:53,576 INFO L87 Difference]: Start difference. First operand 2198 states and 3151 transitions. Second operand 16 states. [2020-10-12 21:01:58,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:01:58,147 INFO L93 Difference]: Finished difference Result 7678 states and 11601 transitions. [2020-10-12 21:01:58,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2020-10-12 21:01:58,148 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 139 [2020-10-12 21:01:58,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:01:58,184 INFO L225 Difference]: With dead ends: 7678 [2020-10-12 21:01:58,184 INFO L226 Difference]: Without dead ends: 5574 [2020-10-12 21:01:58,198 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 49 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1390 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=963, Invalid=3593, Unknown=0, NotChecked=0, Total=4556 [2020-10-12 21:01:58,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5574 states. [2020-10-12 21:01:58,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5574 to 3348. [2020-10-12 21:01:58,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3348 states. [2020-10-12 21:01:58,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3348 states to 3348 states and 4874 transitions. [2020-10-12 21:01:58,653 INFO L78 Accepts]: Start accepts. Automaton has 3348 states and 4874 transitions. Word has length 139 [2020-10-12 21:01:58,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:01:58,655 INFO L479 AbstractCegarLoop]: Abstraction has 3348 states and 4874 transitions. [2020-10-12 21:01:58,655 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-12 21:01:58,655 INFO L276 IsEmpty]: Start isEmpty. Operand 3348 states and 4874 transitions. [2020-10-12 21:01:58,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-12 21:01:58,676 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:01:58,676 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:01:58,676 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 21:01:58,677 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:01:58,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:01:58,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1758787458, now seen corresponding path program 1 times [2020-10-12 21:01:58,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:01:58,677 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2080665561] [2020-10-12 21:01:58,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:01:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:58,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:58,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:58,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:58,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:58,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:59,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:02,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:02,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:02,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:02,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:03,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:03,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:03,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:03,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-12 21:02:03,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-12 21:02:03,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-12 21:02:03,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:03,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 21:02:03,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-12 21:02:03,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 21:02:03,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:03,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:02:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:03,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:03,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:03,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:03,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:03,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:03,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:03,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:03,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:03,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:03,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:03,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:02:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:03,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:03,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:03,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:03,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:03,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:03,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:03,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:03,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:03,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:03,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:03,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:03,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:03,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:03,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:03,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:04,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:06,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:08,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:08,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-12 21:02:08,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 21:02:08,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 21:02:08,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:08,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 21:02:08,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 21:02:08,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 21:02:08,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:08,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:08,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:08,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:08,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 21:02:08,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:08,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:02:08,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:08,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:08,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:08,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:02:08,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:08,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:02:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:08,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:08,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:08,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:08,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:08,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:08,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:08,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:08,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:08,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:08,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:08,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 21:02:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:09,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:09,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:09,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:09,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:09,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:09,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:09,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:09,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:09,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:02:09,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:09,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:02:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:09,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:09,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:09,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:09,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:09,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:09,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:09,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:09,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:09,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:02:09,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:09,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 21:02:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:09,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:09,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:09,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:09,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:09,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:02:09,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:02:09,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:09,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:02:09,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:02:09,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:02:09,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:09,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 21:02:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:09,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:09,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:09,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:02:09,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:09,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:02:09,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:09,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:09,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:09,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:02:09,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:09,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:09,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:09,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:09,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:09,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:09,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:09,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:09,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:09,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:09,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:09,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:09,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 21:02:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:09,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:09,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:09,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:09,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:09,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:02:09,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:09,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:02:09,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:02:09,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:02:09,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:09,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 21:02:09,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:09,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:09,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:09,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:02:09,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:09,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:09,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:09,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:09,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:09,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:02:09,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:09,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:02:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:09,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:09,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:09,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:09,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:09,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:09,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:09,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:09,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:09,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:09,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:09,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 21:02:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:09,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:09,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:09,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:09,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:09,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 21:02:09,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:09,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:02:09,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:02:09,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:02:09,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:09,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 21:02:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:09,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:09,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:09,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:09,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:09,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:02:09,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:09,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:02:09,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:02:09,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:02:09,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:09,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 21:02:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:09,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:09,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:09,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:02:09,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:09,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:09,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:09,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:09,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 21:02:09,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:09,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:09,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:09,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:09,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:09,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:09,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:09,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:09,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:09,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:09,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:09,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:09,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:09,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:09,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-12 21:02:09,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:09,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:09,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:09,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:09,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:09,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:09,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:09,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:09,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 21:02:09,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:09,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:09,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 21:02:09,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:09,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:09,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:09,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:02:09,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:09,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:09,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:09,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:09,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 21:02:09,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:09,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:09,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:09,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:09,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:09,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:09,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:09,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:09,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:09,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:09,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:09,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:09,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:09,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:09,337 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-12 21:02:09,338 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2080665561] [2020-10-12 21:02:09,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:02:09,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-12 21:02:09,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171796646] [2020-10-12 21:02:09,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-12 21:02:09,339 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:02:09,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-12 21:02:09,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-10-12 21:02:09,339 INFO L87 Difference]: Start difference. First operand 3348 states and 4874 transitions. Second operand 16 states. [2020-10-12 21:02:12,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:02:12,010 INFO L93 Difference]: Finished difference Result 7170 states and 10650 transitions. [2020-10-12 21:02:12,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-12 21:02:12,010 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 137 [2020-10-12 21:02:12,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:02:12,031 INFO L225 Difference]: With dead ends: 7170 [2020-10-12 21:02:12,031 INFO L226 Difference]: Without dead ends: 3924 [2020-10-12 21:02:12,044 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 676 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=611, Invalid=1939, Unknown=0, NotChecked=0, Total=2550 [2020-10-12 21:02:12,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3924 states. [2020-10-12 21:02:12,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3924 to 2409. [2020-10-12 21:02:12,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2409 states. [2020-10-12 21:02:12,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2409 states to 2409 states and 3464 transitions. [2020-10-12 21:02:12,292 INFO L78 Accepts]: Start accepts. Automaton has 2409 states and 3464 transitions. Word has length 137 [2020-10-12 21:02:12,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:02:12,292 INFO L479 AbstractCegarLoop]: Abstraction has 2409 states and 3464 transitions. [2020-10-12 21:02:12,292 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-12 21:02:12,292 INFO L276 IsEmpty]: Start isEmpty. Operand 2409 states and 3464 transitions. [2020-10-12 21:02:12,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-12 21:02:12,302 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:02:12,302 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:02:12,302 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 21:02:12,303 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:02:12,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:02:12,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1565444971, now seen corresponding path program 1 times [2020-10-12 21:02:12,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:02:12,303 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [35127966] [2020-10-12 21:02:12,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:02:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:12,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:12,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:12,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:12,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:12,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:12,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:12,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:14,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:14,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:14,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:14,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:14,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:14,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:15,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:17,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:17,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-12 21:02:17,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-12 21:02:17,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-12 21:02:17,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:17,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:02:17,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 21:02:17,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 21:02:17,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:17,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:02:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:17,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:17,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:17,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:17,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:17,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:17,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:17,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:17,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:17,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:17,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:17,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:02:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:17,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:17,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:17,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:17,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:17,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:17,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:17,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:17,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:17,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:02:17,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:17,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:17,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:17,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:17,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:17,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:17,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:17,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:18,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:18,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:18,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:22,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:22,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-12 21:02:22,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 21:02:22,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-12 21:02:22,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:22,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:02:22,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-12 21:02:22,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 21:02:22,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:22,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:22,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:22,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:22,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 21:02:22,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:22,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:22,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:22,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:22,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:22,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:22,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:22,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:02:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:22,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:22,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:22,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:22,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:22,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:22,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:22,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:22,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:22,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:22,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:22,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 21:02:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:22,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:22,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:22,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:22,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:22,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:22,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:22,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:22,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:22,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:22,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:22,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:02:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:22,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:22,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:22,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:22,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:22,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:22,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:22,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:22,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:22,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:22,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:22,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 21:02:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:22,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:22,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:22,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:22,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:22,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:22,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:22,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:22,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:22,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:22,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:22,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 21:02:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:22,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:22,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:22,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:02:22,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:22,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:22,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:22,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:22,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:22,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:22,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:22,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:22,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:22,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:22,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:22,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:22,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:22,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:22,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:22,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:22,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:22,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:22,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 21:02:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:22,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:22,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:22,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:22,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:22,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:22,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:22,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:22,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:22,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:02:22,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:22,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 21:02:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:22,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:22,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:22,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:02:22,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:22,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:22,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:22,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:22,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:22,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:02:22,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:22,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:02:22,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:22,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:22,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:22,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:22,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:22,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:22,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:22,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:22,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:22,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:22,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:22,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 21:02:22,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:22,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:22,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:22,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:22,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:22,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:02:22,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:22,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:02:22,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:02:22,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:02:22,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:22,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 21:02:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:22,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:22,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:22,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:22,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:22,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:02:22,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:22,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:02:22,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:02:22,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:02:22,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:22,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 21:02:22,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:22,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:22,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:22,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:22,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:02:22,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:02:22,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:02:22,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:22,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:22,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 21:02:22,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:02:22,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:22,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:22,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:22,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:22,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:22,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:22,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:22,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:22,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:22,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:22,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:02:22,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:22,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 21:02:22,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:22,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:22,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:22,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:22,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:22,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:02:22,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:22,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:02:22,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:02:22,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:02:22,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:22,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 21:02:22,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:22,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:22,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:22,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:02:22,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:22,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:22,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:22,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:22,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 21:02:22,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:22,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:22,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:22,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:22,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:22,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:22,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:22,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:22,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:22,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:22,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:22,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:22,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:22,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:22,920 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-12 21:02:22,921 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [35127966] [2020-10-12 21:02:22,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:02:22,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-12 21:02:22,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909817129] [2020-10-12 21:02:22,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 21:02:22,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:02:22,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 21:02:22,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2020-10-12 21:02:22,923 INFO L87 Difference]: Start difference. First operand 2409 states and 3464 transitions. Second operand 18 states. [2020-10-12 21:02:23,067 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2020-10-12 21:02:33,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:02:33,856 INFO L93 Difference]: Finished difference Result 9940 states and 15483 transitions. [2020-10-12 21:02:33,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2020-10-12 21:02:33,857 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 138 [2020-10-12 21:02:33,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:02:33,894 INFO L225 Difference]: With dead ends: 9940 [2020-10-12 21:02:33,895 INFO L226 Difference]: Without dead ends: 7615 [2020-10-12 21:02:33,912 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 133 SyntacticMatches, 1 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6608 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=2413, Invalid=14617, Unknown=0, NotChecked=0, Total=17030 [2020-10-12 21:02:33,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7615 states. [2020-10-12 21:02:34,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7615 to 4928. [2020-10-12 21:02:34,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4928 states. [2020-10-12 21:02:34,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4928 states to 4928 states and 7143 transitions. [2020-10-12 21:02:34,454 INFO L78 Accepts]: Start accepts. Automaton has 4928 states and 7143 transitions. Word has length 138 [2020-10-12 21:02:34,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:02:34,454 INFO L479 AbstractCegarLoop]: Abstraction has 4928 states and 7143 transitions. [2020-10-12 21:02:34,454 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-12 21:02:34,454 INFO L276 IsEmpty]: Start isEmpty. Operand 4928 states and 7143 transitions. [2020-10-12 21:02:34,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-12 21:02:34,477 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:02:34,477 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:02:34,478 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 21:02:34,478 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:02:34,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:02:34,478 INFO L82 PathProgramCache]: Analyzing trace with hash -517341050, now seen corresponding path program 1 times [2020-10-12 21:02:34,479 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:02:34,479 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [246689075] [2020-10-12 21:02:34,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:02:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:34,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:34,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:34,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:34,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:34,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:34,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:35,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:39,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:39,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-12 21:02:39,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:02:39,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 21:02:39,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:39,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:02:39,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-12 21:02:39,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 21:02:39,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:39,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:02:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:39,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:39,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:39,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:39,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:39,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:39,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:39,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:39,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:39,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:39,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:39,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:02:39,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:39,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:39,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:39,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:39,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:39,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:39,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:39,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:39,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:39,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:39,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:39,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:39,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:39,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:39,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:39,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:39,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:40,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:40,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:44,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:44,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-10-12 21:02:44,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:02:44,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 21:02:44,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:44,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:02:44,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-12 21:02:44,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 21:02:44,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:44,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:44,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:44,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:44,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:44,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 21:02:44,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:44,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:44,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:44,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:44,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:44,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:44,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:44,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:02:44,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:44,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:44,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:44,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:44,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:44,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:44,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:44,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:44,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:44,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:44,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:44,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 21:02:44,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:44,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:44,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:44,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:44,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:44,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:44,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:44,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:44,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:44,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:44,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:44,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:02:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:44,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:44,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:44,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:44,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:44,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:44,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:44,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:44,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:44,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:44,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:44,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 21:02:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:44,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:44,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:44,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:44,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:44,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:44,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:44,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:44,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:44,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:02:44,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:44,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 21:02:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:44,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:44,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:44,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:02:44,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:44,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:44,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:44,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:44,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:44,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 21:02:44,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:44,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:44,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:44,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:44,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:44,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:44,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:44,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:44,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:44,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:44,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:44,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:44,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 21:02:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:44,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:44,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:44,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:44,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:44,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:02:44,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:02:44,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:44,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:02:44,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:02:44,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:02:44,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:44,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:02:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:44,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:44,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:44,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:02:44,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:44,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:44,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:44,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:44,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:44,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:02:44,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:44,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:02:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:44,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:44,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:44,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:44,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:44,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:44,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:44,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:44,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:44,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:44,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:44,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 21:02:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:44,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:44,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:44,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:44,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:44,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:02:44,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:44,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:02:44,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:02:44,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:02:44,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:44,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 21:02:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:44,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:44,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:44,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:44,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:44,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:44,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:44,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:02:44,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:02:44,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:02:44,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:44,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 21:02:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:44,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:44,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:44,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:44,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:02:44,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:02:44,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:02:44,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:44,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:02:44,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 21:02:44,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:02:44,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:44,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:44,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:44,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:44,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:02:44,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:44,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:44,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:44,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:02:44,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:44,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:02:44,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:44,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 21:02:44,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:44,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:44,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:44,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:44,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:44,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:44,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:44,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:44,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 21:02:44,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:44,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:44,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:02:44,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:44,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:44,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:44,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:02:44,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:44,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:44,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:44,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:44,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 21:02:44,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:44,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:45,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:45,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:45,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:45,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:45,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:45,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:45,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:45,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:45,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:45,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:45,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:45,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:45,097 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-12 21:02:45,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [246689075] [2020-10-12 21:02:45,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:02:45,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-12 21:02:45,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27274497] [2020-10-12 21:02:45,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-12 21:02:45,099 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:02:45,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-12 21:02:45,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2020-10-12 21:02:45,100 INFO L87 Difference]: Start difference. First operand 4928 states and 7143 transitions. Second operand 19 states. [2020-10-12 21:02:48,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:02:48,415 INFO L93 Difference]: Finished difference Result 9113 states and 13325 transitions. [2020-10-12 21:02:48,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-12 21:02:48,416 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 140 [2020-10-12 21:02:48,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:02:48,435 INFO L225 Difference]: With dead ends: 9113 [2020-10-12 21:02:48,435 INFO L226 Difference]: Without dead ends: 4349 [2020-10-12 21:02:48,452 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 574 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=663, Invalid=1989, Unknown=0, NotChecked=0, Total=2652 [2020-10-12 21:02:48,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4349 states. [2020-10-12 21:02:48,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4349 to 2984. [2020-10-12 21:02:48,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2984 states. [2020-10-12 21:02:48,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2984 states to 2984 states and 4110 transitions. [2020-10-12 21:02:48,794 INFO L78 Accepts]: Start accepts. Automaton has 2984 states and 4110 transitions. Word has length 140 [2020-10-12 21:02:48,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:02:48,794 INFO L479 AbstractCegarLoop]: Abstraction has 2984 states and 4110 transitions. [2020-10-12 21:02:48,794 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-12 21:02:48,794 INFO L276 IsEmpty]: Start isEmpty. Operand 2984 states and 4110 transitions. [2020-10-12 21:02:48,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-12 21:02:48,806 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:02:48,806 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:02:48,806 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 21:02:48,806 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:02:48,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:02:48,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1268946216, now seen corresponding path program 1 times [2020-10-12 21:02:48,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:02:48,808 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1077537668] [2020-10-12 21:02:48,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:02:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:48,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:48,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:48,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:48,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:48,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:49,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:51,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:51,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:52,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:52,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:53,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:53,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-12 21:02:53,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 21:02:53,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 21:02:53,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:53,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:02:53,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 21:02:53,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-12 21:02:53,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:53,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:02:53,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:53,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:53,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:53,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:53,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:53,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:02:53,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:53,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:53,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:53,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:53,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:53,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:02:53,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:53,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:53,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:53,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:53,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:53,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:02:53,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:53,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:53,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:53,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:02:53,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:53,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:54,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:54,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:54,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:54,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:55,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:55,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:55,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:59,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:59,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-12 21:02:59,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:02:59,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 21:02:59,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:59,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:02:59,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:02:59,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 172 [2020-10-12 21:02:59,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:59,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:59,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:59,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:59,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:59,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 21:02:59,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:59,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:02:59,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:59,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:02:59,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:02:59,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 21:02:59,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:59,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:02:59,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:59,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:59,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:59,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:59,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:59,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:59,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:59,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:59,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:59,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:02:59,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:59,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 21:02:59,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:59,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:59,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:59,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:59,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:59,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:59,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:59,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:59,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:59,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:02:59,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:59,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:02:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:59,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:59,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:59,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:59,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:59,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:59,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:59,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:59,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:59,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:02:59,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:59,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 21:02:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:59,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:59,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:59,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:59,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:59,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:59,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:59,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:59,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:59,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:02:59,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:59,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 21:02:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:59,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:59,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:59,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:02:59,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:59,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:59,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:59,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:59,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:59,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 21:02:59,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:59,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:59,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:59,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:59,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:59,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:59,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:59,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:59,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:59,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:59,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:59,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:59,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 21:02:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:59,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:59,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:59,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:59,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:59,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:59,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:59,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:59,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:59,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:02:59,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:59,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:02:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:59,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:59,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:59,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:02:59,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:59,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:59,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:59,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:59,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:59,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:02:59,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:59,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:02:59,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:59,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:59,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:59,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:59,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:59,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:59,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:59,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:59,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:59,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:59,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:59,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 21:02:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:59,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:59,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:59,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:02:59,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:59,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:02:59,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:59,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:02:59,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:02:59,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 21:02:59,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:59,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:02:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:59,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:59,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:59,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:59,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:59,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:59,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:59,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:59,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:59,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:02:59,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:59,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-12 21:02:59,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:59,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:59,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:59,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:59,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:59,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:59,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:59,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:59,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:59,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:02:59,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:59,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:02:59,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:59,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:59,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:59,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:02:59,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:59,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:59,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:59,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:59,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:59,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 21:02:59,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:59,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:59,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:59,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:59,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:02:59,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:59,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:59,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:59,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:59,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:59,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:59,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:59,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 21:02:59,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:59,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:59,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:59,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:59,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:59,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:59,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:59,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:59,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:59,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:02:59,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:59,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-12 21:02:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:59,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:59,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:59,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:02:59,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:59,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:59,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:59,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:59,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:59,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:02:59,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:59,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:59,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:59,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:59,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:59,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:59,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:59,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:59,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:59,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:59,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:59,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:59,292 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-10-12 21:02:59,292 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1077537668] [2020-10-12 21:02:59,292 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:02:59,292 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-12 21:02:59,293 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623825681] [2020-10-12 21:02:59,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:02:59,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:02:59,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:02:59,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:02:59,294 INFO L87 Difference]: Start difference. First operand 2984 states and 4110 transitions. Second operand 14 states. [2020-10-12 21:03:02,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:03:02,630 INFO L93 Difference]: Finished difference Result 8662 states and 12290 transitions. [2020-10-12 21:03:02,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-10-12 21:03:02,633 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 145 [2020-10-12 21:03:02,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:03:02,685 INFO L225 Difference]: With dead ends: 8662 [2020-10-12 21:03:02,686 INFO L226 Difference]: Without dead ends: 5771 [2020-10-12 21:03:02,714 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1105 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=752, Invalid=2670, Unknown=0, NotChecked=0, Total=3422 [2020-10-12 21:03:02,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5771 states. [2020-10-12 21:03:03,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5771 to 3138. [2020-10-12 21:03:03,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3138 states. [2020-10-12 21:03:03,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3138 states to 3138 states and 4331 transitions. [2020-10-12 21:03:03,137 INFO L78 Accepts]: Start accepts. Automaton has 3138 states and 4331 transitions. Word has length 145 [2020-10-12 21:03:03,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:03:03,138 INFO L479 AbstractCegarLoop]: Abstraction has 3138 states and 4331 transitions. [2020-10-12 21:03:03,138 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:03:03,138 INFO L276 IsEmpty]: Start isEmpty. Operand 3138 states and 4331 transitions. [2020-10-12 21:03:03,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-12 21:03:03,152 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:03:03,152 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:03:03,153 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 21:03:03,153 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:03:03,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:03:03,153 INFO L82 PathProgramCache]: Analyzing trace with hash 118113254, now seen corresponding path program 1 times [2020-10-12 21:03:03,153 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:03:03,154 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [646793658] [2020-10-12 21:03:03,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:03:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:03,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:03,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:03,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:03,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:03,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:08,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:08,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-12 21:03:08,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 21:03:08,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 21:03:08,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:08,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:03:08,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 21:03:08,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 21:03:08,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:08,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:03:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:08,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:08,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:08,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:03:08,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:08,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:08,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:08,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:08,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:08,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:08,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:08,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:03:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:08,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:08,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:08,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:03:08,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:08,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:03:08,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:08,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:08,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:08,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:03:08,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:08,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:03:08,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:08,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:08,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:08,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:08,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:10,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:10,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-12 21:03:13,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 21:03:13,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 21:03:13,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:03:13,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:03:13,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 177 [2020-10-12 21:03:13,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 21:03:13,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:03:13,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:03:13,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:03:13,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-12 21:03:13,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:13,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:13,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:13,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:13,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:03:13,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 21:03:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:13,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:13,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:13,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:03:13,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 21:03:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:13,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:13,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:13,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:03:13,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 21:03:13,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:03:13,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:13,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:13,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:03:13,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:03:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:03:13,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:03:13,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:03:13,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:03:13,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:03:13,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 21:03:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:03:13,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:13,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:13,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:03:13,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:03:13,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:13,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:13,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:13,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 21:03:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:03:13,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:03:13,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:13,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:03:13,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 21:03:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:03:13,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:13,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:13,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:03:13,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:03:13,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:03:13,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:13,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:13,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:13,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 21:03:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:03:13,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:03:13,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:13,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:03:13,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:03:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:13,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:13,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:13,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:13,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 21:03:13,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:03:13,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:13,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:13,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:03:13,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 21:03:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:03:13,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:13,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:13,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 21:03:13,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:13,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:03:13,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:13,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:13,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:13,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:03:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:03:13,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:13,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:13,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:03:13,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 21:03:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:03:13,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:13,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:13,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:03:13,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:03:13,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:13,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:13,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:13,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,682 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-10-12 21:03:13,682 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [646793658] [2020-10-12 21:03:13,683 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:03:13,683 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-12 21:03:13,683 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405527014] [2020-10-12 21:03:13,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 21:03:13,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:03:13,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 21:03:13,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-10-12 21:03:13,684 INFO L87 Difference]: Start difference. First operand 3138 states and 4331 transitions. Second operand 15 states. [2020-10-12 21:03:21,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:03:21,381 INFO L93 Difference]: Finished difference Result 14348 states and 23564 transitions. [2020-10-12 21:03:21,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2020-10-12 21:03:21,382 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 148 [2020-10-12 21:03:21,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:03:21,451 INFO L225 Difference]: With dead ends: 14348 [2020-10-12 21:03:21,452 INFO L226 Difference]: Without dead ends: 11350 [2020-10-12 21:03:21,474 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 110 SyntacticMatches, 2 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4848 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=2014, Invalid=10196, Unknown=0, NotChecked=0, Total=12210 [2020-10-12 21:03:21,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11350 states. [2020-10-12 21:03:22,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11350 to 6768. [2020-10-12 21:03:22,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6768 states. [2020-10-12 21:03:22,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6768 states to 6768 states and 9494 transitions. [2020-10-12 21:03:22,376 INFO L78 Accepts]: Start accepts. Automaton has 6768 states and 9494 transitions. Word has length 148 [2020-10-12 21:03:22,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:03:22,377 INFO L479 AbstractCegarLoop]: Abstraction has 6768 states and 9494 transitions. [2020-10-12 21:03:22,378 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 21:03:22,378 INFO L276 IsEmpty]: Start isEmpty. Operand 6768 states and 9494 transitions. [2020-10-12 21:03:22,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-12 21:03:22,402 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:03:22,403 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:03:22,403 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 21:03:22,403 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:03:22,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:03:22,404 INFO L82 PathProgramCache]: Analyzing trace with hash -248889310, now seen corresponding path program 1 times [2020-10-12 21:03:22,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:03:22,404 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [545166087] [2020-10-12 21:03:22,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:03:22,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:22,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:22,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:22,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:22,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:23,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:23,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:27,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:27,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:27,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-12 21:03:27,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:03:27,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 21:03:27,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:27,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:03:27,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 21:03:27,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-12 21:03:27,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:27,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:03:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:27,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:27,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:27,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:03:27,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:27,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:27,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:27,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:27,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:27,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:27,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:27,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:03:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:27,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:27,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:27,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:03:27,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:27,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:03:27,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:27,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:27,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:27,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:03:27,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:27,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:03:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:27,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:27,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:27,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:28,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:28,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:28,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:32,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:32,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-12 21:03:32,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 21:03:32,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 21:03:32,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:32,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:03:32,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:03:32,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 177 [2020-10-12 21:03:32,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:32,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:32,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:32,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:32,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 21:03:32,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:32,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:03:32,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:32,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:03:32,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:03:32,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-12 21:03:32,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:32,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:32,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:32,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:32,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:32,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:32,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:32,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:32,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:32,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:32,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:03:32,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:32,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 21:03:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:32,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:32,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:32,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:32,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:32,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:32,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:32,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:32,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:32,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:03:32,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:32,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 21:03:32,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:32,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:32,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:32,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:32,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:32,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:32,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:32,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:32,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:32,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:03:32,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:32,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 21:03:32,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:32,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:32,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:32,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:03:32,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:32,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:32,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:32,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:32,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:32,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:03:32,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:32,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:03:32,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:32,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:32,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:32,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:03:32,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:32,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:03:32,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:32,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:32,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:32,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:03:32,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:32,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 21:03:32,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:32,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:32,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:32,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:03:32,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:32,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:32,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:32,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:32,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:32,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:03:32,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:32,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:32,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:32,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:32,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:03:32,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:32,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:32,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:32,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:32,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:32,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:32,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:32,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 21:03:32,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:32,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:32,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:32,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:03:32,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:32,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:03:32,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:32,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:32,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:32,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:03:32,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:32,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 21:03:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:32,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:32,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:32,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:03:32,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:32,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:03:32,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:32,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:32,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:32,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:03:32,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:32,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:03:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:32,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:32,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:32,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:03:32,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:32,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:32,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:32,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:32,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:32,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:32,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:32,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 21:03:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:32,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:32,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:32,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:03:32,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:32,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 21:03:32,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:32,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:03:32,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:03:32,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 21:03:32,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:32,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:03:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:32,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:32,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:32,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:32,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:32,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:03:32,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:32,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:32,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:32,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:03:32,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:32,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 21:03:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:32,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:32,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:32,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:03:32,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:32,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:03:32,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:32,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:32,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:32,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:03:32,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:32,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 21:03:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:32,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:32,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:32,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:03:32,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:32,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:03:32,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:32,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:32,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:32,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 21:03:32,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:32,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:32,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:32,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:32,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:03:32,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:32,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:32,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:32,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:32,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:32,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:32,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:32,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:03:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:32,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:32,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:32,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:03:32,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:32,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:03:32,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:32,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:32,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:32,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:03:32,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:32,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 21:03:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:32,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:32,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:32,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:03:32,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:32,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:03:32,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:32,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:32,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:32,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:03:32,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:32,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:32,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:32,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:32,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:03:32,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:32,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:32,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:32,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:32,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:32,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:32,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:33,061 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-12 21:03:33,062 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [545166087] [2020-10-12 21:03:33,062 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:03:33,062 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-12 21:03:33,063 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086154386] [2020-10-12 21:03:33,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-12 21:03:33,063 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:03:33,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-12 21:03:33,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-12 21:03:33,064 INFO L87 Difference]: Start difference. First operand 6768 states and 9494 transitions. Second operand 16 states. [2020-10-12 21:03:39,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:03:39,054 INFO L93 Difference]: Finished difference Result 22842 states and 33722 transitions. [2020-10-12 21:03:39,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2020-10-12 21:03:39,055 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 148 [2020-10-12 21:03:39,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:03:39,104 INFO L225 Difference]: With dead ends: 22842 [2020-10-12 21:03:39,105 INFO L226 Difference]: Without dead ends: 16208 [2020-10-12 21:03:39,124 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3616 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=1673, Invalid=7833, Unknown=0, NotChecked=0, Total=9506 [2020-10-12 21:03:39,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16208 states. [2020-10-12 21:03:39,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16208 to 7817. [2020-10-12 21:03:39,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7817 states. [2020-10-12 21:03:40,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7817 states to 7817 states and 10972 transitions. [2020-10-12 21:03:40,020 INFO L78 Accepts]: Start accepts. Automaton has 7817 states and 10972 transitions. Word has length 148 [2020-10-12 21:03:40,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:03:40,020 INFO L479 AbstractCegarLoop]: Abstraction has 7817 states and 10972 transitions. [2020-10-12 21:03:40,020 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-12 21:03:40,020 INFO L276 IsEmpty]: Start isEmpty. Operand 7817 states and 10972 transitions. [2020-10-12 21:03:40,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-12 21:03:40,051 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:03:40,051 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:03:40,051 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 21:03:40,051 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:03:40,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:03:40,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1319955159, now seen corresponding path program 1 times [2020-10-12 21:03:40,052 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:03:40,052 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2067857937] [2020-10-12 21:03:40,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:03:40,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:40,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:40,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:40,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:40,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:42,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:42,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:45,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:45,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-12 21:03:45,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 21:03:45,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-10-12 21:03:45,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:45,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:03:45,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 21:03:45,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 186 [2020-10-12 21:03:45,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:45,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:03:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:45,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:45,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:45,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:03:45,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:45,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:03:45,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:45,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:45,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:45,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:45,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:45,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:03:45,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:45,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:45,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:45,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:03:45,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:45,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:03:45,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:45,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:45,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:45,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:03:45,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:45,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:03:45,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:45,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:45,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:45,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:45,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:45,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:50,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:50,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-12 21:03:50,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 21:03:50,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 21:03:50,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:50,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:03:50,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:03:50,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 184 [2020-10-12 21:03:50,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:50,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:50,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:50,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:50,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 21:03:50,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:50,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:03:50,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:50,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:03:50,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:03:50,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 21:03:50,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:50,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:50,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:50,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:50,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:50,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:50,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:50,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:50,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:50,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:50,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:50,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:03:50,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:50,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 21:03:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:50,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:50,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:50,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:50,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:50,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:50,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:50,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:50,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:50,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:03:50,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:50,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 21:03:50,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:50,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:50,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:50,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:50,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:50,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:50,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:50,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:50,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:50,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:03:50,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:50,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:03:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:50,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:50,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:50,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:50,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:50,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:50,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:50,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:50,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:50,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:03:50,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:50,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:03:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:50,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:50,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:50,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:03:50,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:50,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:50,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:50,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:50,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:50,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:03:50,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:50,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 21:03:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:50,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:50,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:50,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:03:50,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:50,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:50,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:50,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:50,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:50,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:03:50,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:50,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 21:03:50,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:50,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:50,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:50,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:03:50,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:50,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:03:50,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:50,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:50,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:50,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:03:50,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:50,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:50,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:50,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:50,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:03:50,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:50,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:50,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:50,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:50,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:50,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:50,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:50,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 21:03:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:50,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:50,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:50,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:03:50,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:50,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:03:50,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:50,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:50,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:50,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:03:50,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:50,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 21:03:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:50,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:50,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:50,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:03:50,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:50,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:03:50,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:50,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:50,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:50,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:03:50,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:50,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:03:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:50,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:50,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:50,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:03:50,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:50,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:50,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:50,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:50,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:50,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:50,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:50,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 21:03:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:50,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:50,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:50,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:03:50,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:50,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:03:50,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:50,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:03:50,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:03:50,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 21:03:50,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:50,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:03:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:50,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:50,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:50,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:50,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:50,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:50,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:50,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:50,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:50,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:03:50,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:50,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:03:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:50,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:50,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:50,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:03:50,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:50,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:50,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:50,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:50,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:50,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:03:50,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:50,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 21:03:50,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:50,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:50,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:50,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:03:50,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:50,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:03:50,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:50,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:50,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:50,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 21:03:50,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:50,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:50,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:50,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:50,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:03:50,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:50,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:50,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:50,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:50,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:50,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:50,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:50,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-12 21:03:50,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:50,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:50,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:50,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:03:50,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:50,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:50,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:50,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:50,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:50,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:03:50,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:50,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 21:03:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:50,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:50,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:50,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:03:50,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:50,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:50,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:50,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:50,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:50,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:03:50,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:50,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:50,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:50,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:50,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:50,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:03:50,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:50,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:50,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:50,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:50,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:50,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:50,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:50,647 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-12 21:03:50,648 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2067857937] [2020-10-12 21:03:50,648 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:03:50,648 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-12 21:03:50,648 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653043179] [2020-10-12 21:03:50,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 21:03:50,649 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:03:50,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 21:03:50,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-10-12 21:03:50,649 INFO L87 Difference]: Start difference. First operand 7817 states and 10972 transitions. Second operand 15 states. [2020-10-12 21:03:57,173 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-10-12 21:04:01,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:04:01,774 INFO L93 Difference]: Finished difference Result 22907 states and 35553 transitions. [2020-10-12 21:04:01,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2020-10-12 21:04:01,775 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 153 [2020-10-12 21:04:01,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:04:01,850 INFO L225 Difference]: With dead ends: 22907 [2020-10-12 21:04:01,851 INFO L226 Difference]: Without dead ends: 22901 [2020-10-12 21:04:01,864 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 81 SyntacticMatches, 1 SemanticMatches, 159 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11154 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=3899, Invalid=21861, Unknown=0, NotChecked=0, Total=25760 [2020-10-12 21:04:01,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22901 states. [2020-10-12 21:04:02,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22901 to 11596. [2020-10-12 21:04:02,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11596 states. [2020-10-12 21:04:02,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11596 states to 11596 states and 16182 transitions. [2020-10-12 21:04:02,917 INFO L78 Accepts]: Start accepts. Automaton has 11596 states and 16182 transitions. Word has length 153 [2020-10-12 21:04:02,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:04:02,918 INFO L479 AbstractCegarLoop]: Abstraction has 11596 states and 16182 transitions. [2020-10-12 21:04:02,918 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 21:04:02,918 INFO L276 IsEmpty]: Start isEmpty. Operand 11596 states and 16182 transitions. [2020-10-12 21:04:02,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-12 21:04:02,940 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:04:02,940 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:04:02,941 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 21:04:02,941 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:04:02,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:04:02,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1693306555, now seen corresponding path program 1 times [2020-10-12 21:04:02,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:04:02,942 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1794745881] [2020-10-12 21:04:02,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:04:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:02,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:02,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:02,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:03,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:03,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:03,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:03,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:07,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:07,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-12 21:04:07,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:04:07,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 21:04:07,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:07,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:04:07,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-12 21:04:07,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-12 21:04:07,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:08,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:04:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:08,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:08,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:08,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:04:08,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:08,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:04:08,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:08,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:08,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:08,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:08,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:08,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:04:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:08,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:08,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:08,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:04:08,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:08,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:08,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:08,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:08,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:08,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:08,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:08,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:04:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:08,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:08,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:08,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:08,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:08,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking...