/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/token_ring.03.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 21:03:51,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 21:03:51,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 21:03:51,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 21:03:51,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 21:03:51,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 21:03:51,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 21:03:51,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 21:03:51,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 21:03:51,697 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 21:03:51,698 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 21:03:51,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 21:03:51,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 21:03:51,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 21:03:51,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 21:03:51,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 21:03:51,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 21:03:51,709 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 21:03:51,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 21:03:51,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 21:03:51,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 21:03:51,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 21:03:51,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 21:03:51,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 21:03:51,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 21:03:51,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 21:03:51,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 21:03:51,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 21:03:51,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 21:03:51,745 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 21:03:51,745 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 21:03:51,746 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 21:03:51,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 21:03:51,751 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 21:03:51,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 21:03:51,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 21:03:51,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 21:03:51,753 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 21:03:51,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 21:03:51,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 21:03:51,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 21:03:51,758 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 21:03:51,788 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 21:03:51,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 21:03:51,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 21:03:51,789 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 21:03:51,790 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 21:03:51,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 21:03:51,790 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 21:03:51,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 21:03:51,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 21:03:51,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 21:03:51,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 21:03:51,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 21:03:51,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 21:03:51,791 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 21:03:51,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 21:03:51,792 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 21:03:51,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 21:03:51,792 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 21:03:51,792 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 21:03:51,793 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 21:03:51,793 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 21:03:51,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 21:03:51,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 21:03:51,793 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 21:03:51,794 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 21:03:51,794 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 21:03:51,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 21:03:51,794 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 21:03:51,794 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 21:03:51,794 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 21:03:52,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 21:03:52,095 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 21:03:52,099 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 21:03:52,100 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 21:03:52,100 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 21:03:52,101 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.03.cil-1.c [2020-10-12 21:03:52,161 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6a8302e46/40105b192fc94c1bb5f2ff943b9ffc78/FLAG0c61d46ef [2020-10-12 21:03:52,658 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 21:03:52,663 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.03.cil-1.c [2020-10-12 21:03:52,681 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6a8302e46/40105b192fc94c1bb5f2ff943b9ffc78/FLAG0c61d46ef [2020-10-12 21:03:52,986 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6a8302e46/40105b192fc94c1bb5f2ff943b9ffc78 [2020-10-12 21:03:52,995 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 21:03:52,997 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 21:03:52,998 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 21:03:52,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 21:03:53,003 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 21:03:53,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:03:52" (1/1) ... [2020-10-12 21:03:53,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@233e1b5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:03:53, skipping insertion in model container [2020-10-12 21:03:53,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:03:52" (1/1) ... [2020-10-12 21:03:53,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 21:03:53,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 21:03:53,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:03:53,358 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 21:03:53,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:03:53,512 INFO L208 MainTranslator]: Completed translation [2020-10-12 21:03:53,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:03:53 WrapperNode [2020-10-12 21:03:53,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 21:03:53,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 21:03:53,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 21:03:53,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 21:03:53,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:03:53" (1/1) ... [2020-10-12 21:03:53,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:03:53" (1/1) ... [2020-10-12 21:03:53,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:03:53" (1/1) ... [2020-10-12 21:03:53,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:03:53" (1/1) ... [2020-10-12 21:03:53,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:03:53" (1/1) ... [2020-10-12 21:03:53,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:03:53" (1/1) ... [2020-10-12 21:03:53,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:03:53" (1/1) ... [2020-10-12 21:03:53,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 21:03:53,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 21:03:53,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 21:03:53,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 21:03:53,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:03:53" (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 21:03:53,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 21:03:53,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 21:03:53,634 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-12 21:03:53,634 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-12 21:03:53,634 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-12 21:03:53,634 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-12 21:03:53,634 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-12 21:03:53,634 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-12 21:03:53,634 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-12 21:03:53,635 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-12 21:03:53,635 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-12 21:03:53,635 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-12 21:03:53,635 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-12 21:03:53,635 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-12 21:03:53,635 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-12 21:03:53,636 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-12 21:03:53,636 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-12 21:03:53,636 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-12 21:03:53,636 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-12 21:03:53,636 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-12 21:03:53,636 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-12 21:03:53,637 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-12 21:03:53,637 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-12 21:03:53,637 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-12 21:03:53,637 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 21:03:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 21:03:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-12 21:03:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-12 21:03:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-12 21:03:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-12 21:03:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-12 21:03:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-12 21:03:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 21:03:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-12 21:03:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-12 21:03:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-12 21:03:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-12 21:03:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-12 21:03:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-12 21:03:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-12 21:03:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-12 21:03:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-12 21:03:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-12 21:03:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-12 21:03:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-12 21:03:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-12 21:03:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-12 21:03:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-12 21:03:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-12 21:03:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 21:03:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 21:03:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 21:03:54,282 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 21:03:54,284 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-12 21:03:54,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:03:54 BoogieIcfgContainer [2020-10-12 21:03:54,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 21:03:54,298 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 21:03:54,298 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 21:03:54,302 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 21:03:54,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 09:03:52" (1/3) ... [2020-10-12 21:03:54,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ccac842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:03:54, skipping insertion in model container [2020-10-12 21:03:54,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:03:53" (2/3) ... [2020-10-12 21:03:54,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ccac842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:03:54, skipping insertion in model container [2020-10-12 21:03:54,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:03:54" (3/3) ... [2020-10-12 21:03:54,307 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.03.cil-1.c [2020-10-12 21:03:54,318 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 21:03:54,334 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 21:03:54,348 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 21:03:54,381 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 21:03:54,381 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 21:03:54,381 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 21:03:54,381 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 21:03:54,382 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 21:03:54,382 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 21:03:54,383 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 21:03:54,383 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 21:03:54,403 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2020-10-12 21:03:54,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-12 21:03:54,416 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:03:54,418 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:03:54,418 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:03:54,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:03:54,423 INFO L82 PathProgramCache]: Analyzing trace with hash -604727244, now seen corresponding path program 1 times [2020-10-12 21:03:54,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:03:54,432 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [171985021] [2020-10-12 21:03:54,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:03:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:54,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:54,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:55,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:55,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:55,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:57,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:59,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:59,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-12 21:03:59,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 21:03:59,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-12 21:03:59,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:59,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:03:59,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:03:59,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 21:03:59,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 21:03:59,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:03:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:59,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:59,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:59,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:03:59,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:59,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:03:59,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:59,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:59,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:59,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:03:59,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:59,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:03:59,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:59,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:59,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:59,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:03:59,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:59,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:03:59,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:59,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:59,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:59,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:03:59,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:03:59,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:03:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:59,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:59,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:59,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:03:59,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:59,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:03:59,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:59,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:59,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:59,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:03:59,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:59,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:03:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:59,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:59,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:59,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:59,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:59,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:03:59,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:59,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:59,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:59,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:03:59,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:03:59,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 21:03:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:59,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:00,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:00,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:04:00,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:00,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 21:04:00,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:00,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:04:00,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:04:00,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:04:00,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:00,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 21:04:00,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:00,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:00,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:00,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:00,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:00,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:02,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:02,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:04:02,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 21:04:02,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2465 [2020-10-12 21:04:02,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:02,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:04:02,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:04:02,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:04:02,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:02,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:04:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:02,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:02,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:02,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:02,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:02,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:04:02,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:02,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:04:02,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:02,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:04:02,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:02,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:04:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:02,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:02,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:02,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:02,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:02,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:04:02,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:02,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:02,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:04:02,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:02,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 21:04:02,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:04:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:02,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:02,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:02,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:02,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:02,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:02,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:02,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:02,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:04:02,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:02,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:02,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:04:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:02,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:02,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:02,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:02,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:02,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:02,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:02,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:02,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:04:02,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:02,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:02,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:04:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:02,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:02,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:02,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:04:02,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:02,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:04:02,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:02,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:02,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 21:04:02,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:02,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:02,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 21:04:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:02,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:02,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:02,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:04:02,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:02,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:02,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:02,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:02,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:04:02,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:02,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 21:04:02,717 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 21:04:02,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [171985021] [2020-10-12 21:04:02,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:04:02,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-12 21:04:02,727 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802727192] [2020-10-12 21:04:02,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 21:04:02,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:04:02,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 21:04:02,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-12 21:04:02,770 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 12 states. [2020-10-12 21:04:08,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:04:08,187 INFO L93 Difference]: Finished difference Result 813 states and 1307 transitions. [2020-10-12 21:04:08,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-12 21:04:08,188 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 106 [2020-10-12 21:04:08,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:04:08,214 INFO L225 Difference]: With dead ends: 813 [2020-10-12 21:04:08,215 INFO L226 Difference]: Without dead ends: 604 [2020-10-12 21:04:08,223 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=212, Invalid=718, Unknown=0, NotChecked=0, Total=930 [2020-10-12 21:04:08,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2020-10-12 21:04:08,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 389. [2020-10-12 21:04:08,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2020-10-12 21:04:08,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 545 transitions. [2020-10-12 21:04:08,441 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 545 transitions. Word has length 106 [2020-10-12 21:04:08,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:04:08,442 INFO L479 AbstractCegarLoop]: Abstraction has 389 states and 545 transitions. [2020-10-12 21:04:08,442 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 21:04:08,442 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 545 transitions. [2020-10-12 21:04:08,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-12 21:04:08,456 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:04:08,456 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:04:08,456 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 21:04:08,457 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:04:08,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:04:08,457 INFO L82 PathProgramCache]: Analyzing trace with hash 577491958, now seen corresponding path program 1 times [2020-10-12 21:04:08,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:04:08,458 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [935444033] [2020-10-12 21:04:08,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:04:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:08,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:08,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:08,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:08,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:08,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:13,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:13,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-12 21:04:13,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 21:04:13,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-12 21:04:13,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:13,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:04:13,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:04:13,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-12 21:04:13,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:13,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:04:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:13,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:13,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:13,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:04:13,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:13,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:04:13,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:13,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:13,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:13,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:04:13,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:13,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:04:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:13,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:13,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:13,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:04:13,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:13,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:13,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:13,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:13,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:13,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:04:13,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:13,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:04:13,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:13,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:13,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:13,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:04:13,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:13,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:13,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:13,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:13,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:13,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:04:13,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:13,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:04:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:13,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:13,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:13,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:13,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:13,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:04:13,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:13,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:13,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:13,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:04:13,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:13,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 21:04:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:13,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:13,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:13,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:04:13,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:13,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:04:13,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:13,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:04:13,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:04:13,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:04:13,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:13,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 21:04:13,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:13,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:13,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:13,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:13,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:14,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:14,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:04:14,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 21:04:14,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 395 [2020-10-12 21:04:14,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:14,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:04:14,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 21:04:14,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:04:14,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:14,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:04:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:14,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:14,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:14,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:14,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:14,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:14,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:14,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:14,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:14,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:14,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:14,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:04:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:14,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:14,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:14,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:14,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:14,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:14,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:14,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:14,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:14,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:14,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 21:04:14,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:04:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:14,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:14,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:14,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:14,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:14,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:04:14,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:14,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:04:14,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:14,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:04:14,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:14,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:04:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:14,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:14,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:14,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:14,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:14,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:14,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:14,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:14,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:04:14,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:14,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:14,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:04:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:14,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:14,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:14,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:04:14,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:14,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:04:14,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:14,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:14,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 21:04:14,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:14,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:14,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 21:04:14,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:14,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:14,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:14,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:04:14,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:14,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:14,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:14,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:14,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:04:14,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:14,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:14,216 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 21:04:14,216 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [935444033] [2020-10-12 21:04:14,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:04:14,218 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:04:14,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319101420] [2020-10-12 21:04:14,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:04:14,222 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:04:14,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:04:14,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:04:14,223 INFO L87 Difference]: Start difference. First operand 389 states and 545 transitions. Second operand 13 states. [2020-10-12 21:04:17,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:04:17,243 INFO L93 Difference]: Finished difference Result 963 states and 1449 transitions. [2020-10-12 21:04:17,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:04:17,243 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 106 [2020-10-12 21:04:17,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:04:17,256 INFO L225 Difference]: With dead ends: 963 [2020-10-12 21:04:17,256 INFO L226 Difference]: Without dead ends: 595 [2020-10-12 21:04:17,261 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-12 21:04:17,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2020-10-12 21:04:17,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 399. [2020-10-12 21:04:17,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2020-10-12 21:04:17,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 548 transitions. [2020-10-12 21:04:17,339 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 548 transitions. Word has length 106 [2020-10-12 21:04:17,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:04:17,341 INFO L479 AbstractCegarLoop]: Abstraction has 399 states and 548 transitions. [2020-10-12 21:04:17,341 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:04:17,342 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 548 transitions. [2020-10-12 21:04:17,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-12 21:04:17,345 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:04:17,345 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:04:17,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 21:04:17,346 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:04:17,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:04:17,346 INFO L82 PathProgramCache]: Analyzing trace with hash -555631176, now seen corresponding path program 1 times [2020-10-12 21:04:17,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:04:17,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1972275387] [2020-10-12 21:04:17,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:04:17,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:17,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:17,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:17,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:17,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:18,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:18,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:18,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:18,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:19,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:22,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:22,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-12 21:04:22,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 21:04:22,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 21:04:22,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:22,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 21:04:22,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:04:22,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-12 21:04:22,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:22,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:04:22,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:22,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:22,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:22,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:04:22,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:22,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:04:22,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:22,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:22,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:22,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:04:22,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:22,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:04:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:22,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:22,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:22,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:04:22,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:22,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:22,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:22,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:22,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:22,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:04:22,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:22,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:04:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:22,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:22,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:22,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:04:22,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:22,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:22,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:22,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:22,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:22,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:04:22,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:22,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:04:22,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:22,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:22,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:22,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:22,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:22,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:04:22,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:22,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:22,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:22,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:04:22,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:22,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 21:04:22,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:22,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:22,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:22,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:04:22,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:22,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:04:22,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:22,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:04:22,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:04:22,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:04:22,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:22,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 21:04:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:22,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:22,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:22,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:22,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:22,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:04:22,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:04:22,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-12 21:04:22,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:22,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:04:22,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 21:04:22,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:04:22,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:22,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:04:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:22,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:22,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:22,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:22,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:22,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:22,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:22,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:22,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:22,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:22,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:22,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:04:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:22,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:22,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:22,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:22,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:22,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:04:22,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:22,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:04:22,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:22,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:04:22,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:22,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:04:22,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:22,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:22,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:22,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:22,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:22,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:22,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:22,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:22,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:04:22,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:22,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:22,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:04:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:22,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:22,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:22,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:22,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:22,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:22,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:22,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:22,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:04:22,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:22,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:22,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:04:22,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:22,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:22,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:22,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:04:22,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:22,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:04:22,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:22,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:04:22,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:04:22,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:04:22,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:22,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 21:04:22,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:22,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:22,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:22,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:04:22,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:22,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:22,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:22,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:22,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:04:22,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:22,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:22,950 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 21:04:22,950 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1972275387] [2020-10-12 21:04:22,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:04:22,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:04:22,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325701533] [2020-10-12 21:04:22,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:04:22,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:04:22,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:04:22,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:04:22,953 INFO L87 Difference]: Start difference. First operand 399 states and 548 transitions. Second operand 13 states. [2020-10-12 21:04:26,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:04:26,032 INFO L93 Difference]: Finished difference Result 997 states and 1476 transitions. [2020-10-12 21:04:26,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:04:26,032 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 106 [2020-10-12 21:04:26,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:04:26,037 INFO L225 Difference]: With dead ends: 997 [2020-10-12 21:04:26,037 INFO L226 Difference]: Without dead ends: 619 [2020-10-12 21:04:26,040 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-12 21:04:26,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2020-10-12 21:04:26,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 409. [2020-10-12 21:04:26,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2020-10-12 21:04:26,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 551 transitions. [2020-10-12 21:04:26,086 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 551 transitions. Word has length 106 [2020-10-12 21:04:26,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:04:26,086 INFO L479 AbstractCegarLoop]: Abstraction has 409 states and 551 transitions. [2020-10-12 21:04:26,086 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:04:26,087 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 551 transitions. [2020-10-12 21:04:26,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-12 21:04:26,088 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:04:26,088 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:04:26,089 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 21:04:26,089 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:04:26,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:04:26,089 INFO L82 PathProgramCache]: Analyzing trace with hash 1706591224, now seen corresponding path program 1 times [2020-10-12 21:04:26,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:04:26,090 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [72199368] [2020-10-12 21:04:26,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:04:26,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:26,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:26,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:26,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:26,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:26,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:26,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:26,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:28,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:28,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:28,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:31,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:31,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-12 21:04:31,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 21:04:31,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-12 21:04:31,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:31,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 21:04:31,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:04:31,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-12 21:04:31,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:31,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:04:31,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:31,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:31,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:31,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:04:31,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:31,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:04:31,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:31,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:31,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:31,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:04:31,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:31,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:04:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:31,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:31,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:31,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:04:31,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:31,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:04:31,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:31,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:31,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:31,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:04:31,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:31,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:04:31,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:31,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:31,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:31,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:04:31,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:31,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:31,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:31,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:31,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:31,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:04:31,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:31,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:04:31,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:31,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:31,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:31,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:31,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:31,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:04:31,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:31,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:31,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:31,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:04:31,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:31,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 21:04:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:31,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:31,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:31,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:04:31,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:31,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:04:31,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:31,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:31,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:31,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:04:31,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:31,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 21:04:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:31,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:31,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:31,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:31,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:04:31,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:04:31,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 21:04:31,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:31,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:04:31,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-12 21:04:31,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:04:31,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:31,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:04:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:31,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:31,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:31,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:31,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:31,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:31,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:31,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:31,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:31,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:31,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:31,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:04:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:31,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:31,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:31,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:31,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:31,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:31,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:31,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:31,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:31,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:31,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:31,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:04:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:31,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:31,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:31,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:31,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:31,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:31,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:31,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:31,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:31,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:31,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:31,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:04:31,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:31,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:31,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:31,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:31,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:31,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:04:31,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:31,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:04:31,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:31,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:04:31,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:31,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:04:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:31,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:31,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:31,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:04:31,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:31,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:04:31,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:31,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:31,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:31,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:04:31,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:31,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 21:04:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:31,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:31,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:31,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:04:31,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:31,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:31,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:31,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:31,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:31,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:04:31,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:31,468 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 21:04:31,469 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [72199368] [2020-10-12 21:04:31,470 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:04:31,470 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 21:04:31,470 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849261561] [2020-10-12 21:04:31,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 21:04:31,471 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:04:31,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 21:04:31,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-12 21:04:31,473 INFO L87 Difference]: Start difference. First operand 409 states and 551 transitions. Second operand 11 states. [2020-10-12 21:04:35,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:04:35,614 INFO L93 Difference]: Finished difference Result 1536 states and 2231 transitions. [2020-10-12 21:04:35,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-12 21:04:35,615 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 106 [2020-10-12 21:04:35,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:04:35,628 INFO L225 Difference]: With dead ends: 1536 [2020-10-12 21:04:35,628 INFO L226 Difference]: Without dead ends: 1149 [2020-10-12 21:04:35,632 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=211, Invalid=659, Unknown=0, NotChecked=0, Total=870 [2020-10-12 21:04:35,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1149 states. [2020-10-12 21:04:35,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1149 to 837. [2020-10-12 21:04:35,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 837 states. [2020-10-12 21:04:35,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1127 transitions. [2020-10-12 21:04:35,733 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1127 transitions. Word has length 106 [2020-10-12 21:04:35,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:04:35,734 INFO L479 AbstractCegarLoop]: Abstraction has 837 states and 1127 transitions. [2020-10-12 21:04:35,735 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 21:04:35,735 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1127 transitions. [2020-10-12 21:04:35,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-12 21:04:35,738 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:04:35,738 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, 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] [2020-10-12 21:04:35,738 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 21:04:35,739 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:04:35,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:04:35,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1360451263, now seen corresponding path program 1 times [2020-10-12 21:04:35,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:04:35,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1442494289] [2020-10-12 21:04:35,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:04:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:35,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:35,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:35,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:36,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:36,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:36,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:36,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:36,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:37,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:40,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:40,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-12 21:04:40,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 21:04:40,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-12 21:04:40,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:40,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 21:04:40,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-12 21:04:40,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-10-12 21:04:40,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:40,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:04:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:40,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:40,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:40,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:04:40,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:40,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:04:40,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:40,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:40,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:40,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:40,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:40,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:04:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:40,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:40,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:40,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:04:40,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:40,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:40,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:40,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:40,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:40,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:40,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:40,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:04:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:40,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:40,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:40,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:04:40,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:40,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:40,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:40,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:40,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:40,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:40,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:40,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:04:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:40,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:40,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:40,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:40,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:40,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:04:40,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:40,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:40,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:40,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 21:04:40,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:40,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 21:04:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:40,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:40,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:40,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:04:40,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:40,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:04:40,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:40,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:40,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:40,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:04:40,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:40,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 21:04:40,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:40,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:41,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:41,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:04:41,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:41,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 21:04:41,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:41,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:04:41,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:04:41,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 21:04:41,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:41,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:04:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:41,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:41,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:41,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:41,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:41,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:41,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:41,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:41,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:41,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:04:41,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:41,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:04:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:41,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:41,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:41,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:41,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:41,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:41,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:41,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:41,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:41,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:04:41,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:41,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:04:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:41,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:41,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:41,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:41,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:41,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:04:41,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:41,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:41,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:41,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:04:41,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:41,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:04:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:41,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:41,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:41,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:41,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:41,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:41,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:41,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:41,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:41,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:04:41,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:41,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:04:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:41,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:41,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:41,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:04:41,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:41,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:04:41,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:41,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:41,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:41,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:04:41,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:41,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 21:04:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:41,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:41,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:41,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:04:41,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:41,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:04:41,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:41,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:41,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:41,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:04:41,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:41,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 21:04:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:41,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:41,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:41,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-12 21:04:41,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:41,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-12 21:04:41,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:41,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:04:41,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:04:41,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-12 21:04:41,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:41,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:04:41,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:41,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:41,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:41,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 21:04:41,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:41,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 21:04:41,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:41,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 21:04:41,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:04:41,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-12 21:04:41,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:41,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:04:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:41,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:41,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:41,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:04:41,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:41,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 21:04:41,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:41,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:04:41,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:04:41,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 21:04:41,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:41,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:04:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:41,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:41,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:41,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:41,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:41,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:04:41,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:41,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:41,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:41,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:04:41,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:41,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:04:41,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:41,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:41,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:41,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:41,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:41,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:04:41,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:41,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:41,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:41,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:04:41,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:41,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:04:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:41,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:41,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:41,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:41,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:41,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:41,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:41,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:41,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:41,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:04:41,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:41,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:04:41,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:41,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:41,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:41,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:41,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:41,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:04:41,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:41,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:41,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:41,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:04:41,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:41,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-12 21:04:41,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:41,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:41,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:41,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:04:41,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:41,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:41,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:41,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:41,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:04:41,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:41,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:41,377 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-10-12 21:04:41,378 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1442494289] [2020-10-12 21:04:41,378 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:04:41,378 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 21:04:41,379 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484101420] [2020-10-12 21:04:41,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 21:04:41,381 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:04:41,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 21:04:41,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-12 21:04:41,381 INFO L87 Difference]: Start difference. First operand 837 states and 1127 transitions. Second operand 9 states. [2020-10-12 21:04:45,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:04:45,774 INFO L93 Difference]: Finished difference Result 3518 states and 5348 transitions. [2020-10-12 21:04:45,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-12 21:04:45,775 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 171 [2020-10-12 21:04:45,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:04:45,795 INFO L225 Difference]: With dead ends: 3518 [2020-10-12 21:04:45,796 INFO L226 Difference]: Without dead ends: 2704 [2020-10-12 21:04:45,801 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 44 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=138, Invalid=324, Unknown=0, NotChecked=0, Total=462 [2020-10-12 21:04:45,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2704 states. [2020-10-12 21:04:45,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2704 to 1786. [2020-10-12 21:04:45,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1786 states. [2020-10-12 21:04:45,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1786 states to 1786 states and 2509 transitions. [2020-10-12 21:04:45,994 INFO L78 Accepts]: Start accepts. Automaton has 1786 states and 2509 transitions. Word has length 171 [2020-10-12 21:04:45,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:04:45,995 INFO L479 AbstractCegarLoop]: Abstraction has 1786 states and 2509 transitions. [2020-10-12 21:04:45,995 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 21:04:45,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1786 states and 2509 transitions. [2020-10-12 21:04:46,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-12 21:04:46,000 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:04:46,001 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, 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 21:04:46,001 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 21:04:46,001 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:04:46,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:04:46,002 INFO L82 PathProgramCache]: Analyzing trace with hash -967544609, now seen corresponding path program 1 times [2020-10-12 21:04:46,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:04:46,002 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1626696101] [2020-10-12 21:04:46,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:04:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:46,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:46,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:46,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:46,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:46,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:46,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:46,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:46,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:46,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:46,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:46,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:46,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:47,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:51,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:51,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-12 21:04:51,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-12 21:04:51,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 21:04:51,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:51,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:04:51,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:04:51,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-12 21:04:51,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:51,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:04:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:51,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:51,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:51,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:04:51,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:51,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:04:51,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:51,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:51,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:51,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:04:51,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:51,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:04:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:51,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:51,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:51,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:04:51,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:51,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:04:51,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:51,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:51,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:51,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:04:51,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:51,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:04:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:51,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:51,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:51,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:04:51,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:51,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:51,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:51,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:51,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:51,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:04:51,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:51,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:04:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:51,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:51,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:51,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:51,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:51,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:04:51,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:51,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:51,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:51,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:04:51,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:51,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 21:04:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:51,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:51,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:51,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:04:51,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:51,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:04:51,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:51,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:04:51,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:04:51,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:04:51,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:51,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 21:04:51,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:51,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:51,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:51,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:04:51,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:51,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:04:51,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:51,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:51,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-12 21:04:51,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:51,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:51,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:04:51,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:51,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:51,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:51,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:51,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:51,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:51,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:51,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:51,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:51,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:51,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:51,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:04:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:51,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:51,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:51,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:51,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:51,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:51,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:51,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:51,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:51,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:51,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:51,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:04:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:51,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:51,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:51,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:51,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:51,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:04:51,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:51,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:51,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:51,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:51,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:51,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:04:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:51,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:51,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:51,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:51,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:51,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:04:51,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:51,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:51,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:51,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:51,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:51,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:04:51,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:51,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:51,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:51,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:04:51,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:51,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:04:51,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:51,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:51,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 21:04:51,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:51,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:51,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 21:04:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:51,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:51,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:51,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:04:51,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:51,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:51,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:51,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:51,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:04:51,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:51,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:51,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 21:04:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:51,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:51,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:51,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:51,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-12 21:04:51,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:04:51,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-12 21:04:51,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:51,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:04:51,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-12 21:04:51,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:04:51,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:51,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:04:51,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:51,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:51,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:51,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 21:04:51,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:51,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 21:04:51,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:51,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:04:51,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-12 21:04:51,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:04:51,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:51,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:04:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:51,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:51,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:51,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:04:51,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:51,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 21:04:51,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:51,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:04:51,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 21:04:51,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:04:51,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:51,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:04:51,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:51,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:51,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:51,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:51,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:51,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:51,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:51,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:51,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:51,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:51,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:51,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:04:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:51,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:51,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:51,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:51,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:51,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:04:51,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:51,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:04:51,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:51,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:04:51,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:51,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:04:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:51,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:51,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:51,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:51,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:51,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:51,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:51,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:51,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:04:51,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:51,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:51,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:04:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:51,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:51,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:51,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:51,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:51,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:51,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:51,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:51,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:04:51,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:51,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:51,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-12 21:04:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:51,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:51,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:51,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:04:51,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:51,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:51,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:51,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:51,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:04:51,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:51,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:51,691 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-10-12 21:04:51,692 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1626696101] [2020-10-12 21:04:51,693 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:04:51,693 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:04:51,694 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050878431] [2020-10-12 21:04:51,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:04:51,695 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:04:51,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:04:51,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:04:51,696 INFO L87 Difference]: Start difference. First operand 1786 states and 2509 transitions. Second operand 14 states. [2020-10-12 21:04:55,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:04:55,409 INFO L93 Difference]: Finished difference Result 5030 states and 7467 transitions. [2020-10-12 21:04:55,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 21:04:55,410 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 171 [2020-10-12 21:04:55,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:04:55,432 INFO L225 Difference]: With dead ends: 5030 [2020-10-12 21:04:55,433 INFO L226 Difference]: Without dead ends: 3270 [2020-10-12 21:04:55,445 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=280, Invalid=910, Unknown=0, NotChecked=0, Total=1190 [2020-10-12 21:04:55,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3270 states. [2020-10-12 21:04:55,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3270 to 2310. [2020-10-12 21:04:55,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2310 states. [2020-10-12 21:04:55,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2310 states to 2310 states and 3069 transitions. [2020-10-12 21:04:55,710 INFO L78 Accepts]: Start accepts. Automaton has 2310 states and 3069 transitions. Word has length 171 [2020-10-12 21:04:55,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:04:55,710 INFO L479 AbstractCegarLoop]: Abstraction has 2310 states and 3069 transitions. [2020-10-12 21:04:55,710 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:04:55,710 INFO L276 IsEmpty]: Start isEmpty. Operand 2310 states and 3069 transitions. [2020-10-12 21:04:55,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-12 21:04:55,715 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:04:55,715 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, 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] [2020-10-12 21:04:55,716 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 21:04:55,716 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:04:55,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:04:55,716 INFO L82 PathProgramCache]: Analyzing trace with hash -1786544544, now seen corresponding path program 1 times [2020-10-12 21:04:55,716 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:04:55,717 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1088369729] [2020-10-12 21:04:55,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:04:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:55,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:55,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:55,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:55,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:55,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:55,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:56,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:56,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:56,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:57,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:57,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:00,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:00,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-12 21:05:00,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-12 21:05:00,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 21:05:00,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:00,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 21:05:00,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-12 21:05:00,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-10-12 21:05:00,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:00,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:00,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:00,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:00,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:00,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:00,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:05:00,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:00,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:00,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:00,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:00,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:00,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:05:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:00,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:00,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:00,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:00,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:00,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:00,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:00,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:00,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:00,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:00,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:00,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:05:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:00,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:00,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:00,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:05:00,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:00,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:00,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:00,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:00,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:00,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:00,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:00,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:05:00,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:00,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:00,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:00,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:00,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:00,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:05:00,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:00,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:00,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:00,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:05:00,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:00,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 21:05:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:00,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:00,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:00,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:05:00,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:00,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:05:00,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:00,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:00,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:00,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:05:00,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:00,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 21:05:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:00,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:00,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:00,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:05:00,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:00,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 21:05:00,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:00,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:05:00,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:05:00,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 21:05:00,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:00,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:00,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:00,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:00,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:00,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:00,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:00,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:05:00,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:00,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:00,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:00,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:05:00,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:00,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:00,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:00,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:00,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:00,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:00,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:05:00,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:00,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:00,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:00,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:05:00,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:00,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:00,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:00,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:01,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:01,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:01,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:01,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:05:01,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:01,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:01,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:01,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:05:01,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:01,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:05:01,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:01,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:01,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:01,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:01,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:01,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:05:01,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:01,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:01,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:01,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:05:01,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:01,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:05:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:01,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:01,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:01,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:05:01,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:01,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:05:01,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:01,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:01,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:01,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:05:01,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:01,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 21:05:01,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:01,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:01,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:01,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:01,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:01,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:01,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:01,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:01,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:01,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:05:01,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:01,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 21:05:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:01,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:01,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:01,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-12 21:05:01,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:01,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-12 21:05:01,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:01,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:05:01,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:05:01,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-12 21:05:01,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:01,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:05:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:01,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:01,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:01,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 21:05:01,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:01,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 21:05:01,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:01,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 21:05:01,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:05:01,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-12 21:05:01,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:01,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:01,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:01,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:01,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:05:01,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:01,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 21:05:01,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:01,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:05:01,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:05:01,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 21:05:01,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:01,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:01,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:01,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:01,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:01,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:01,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:01,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:01,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:01,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:01,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:05:01,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:01,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:01,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:01,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:01,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:01,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:01,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:01,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:01,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:01,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:01,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:05:01,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:01,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:01,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:01,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:01,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:01,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:01,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:01,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:01,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:01,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:01,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:05:01,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:01,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:05:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:01,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:01,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:01,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:01,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:01,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:01,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:01,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:01,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:01,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:05:01,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:01,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-12 21:05:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:01,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:01,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:01,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:01,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:01,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:01,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:01,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:01,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:05:01,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:01,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:01,292 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-10-12 21:05:01,292 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1088369729] [2020-10-12 21:05:01,292 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:05:01,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 21:05:01,293 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670676161] [2020-10-12 21:05:01,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:05:01,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:05:01,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:05:01,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:05:01,294 INFO L87 Difference]: Start difference. First operand 2310 states and 3069 transitions. Second operand 10 states. [2020-10-12 21:05:06,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:05:06,258 INFO L93 Difference]: Finished difference Result 8896 states and 13956 transitions. [2020-10-12 21:05:06,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-12 21:05:06,260 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 171 [2020-10-12 21:05:06,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:05:06,313 INFO L225 Difference]: With dead ends: 8896 [2020-10-12 21:05:06,313 INFO L226 Difference]: Without dead ends: 6616 [2020-10-12 21:05:06,331 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=157, Invalid=349, Unknown=0, NotChecked=0, Total=506 [2020-10-12 21:05:06,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6616 states. [2020-10-12 21:05:06,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6616 to 4312. [2020-10-12 21:05:06,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4312 states. [2020-10-12 21:05:06,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4312 states to 4312 states and 6147 transitions. [2020-10-12 21:05:06,851 INFO L78 Accepts]: Start accepts. Automaton has 4312 states and 6147 transitions. Word has length 171 [2020-10-12 21:05:06,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:05:06,853 INFO L479 AbstractCegarLoop]: Abstraction has 4312 states and 6147 transitions. [2020-10-12 21:05:06,853 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:05:06,853 INFO L276 IsEmpty]: Start isEmpty. Operand 4312 states and 6147 transitions. [2020-10-12 21:05:06,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-12 21:05:06,862 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:05:06,863 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, 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 21:05:06,863 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 21:05:06,863 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:05:06,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:05:06,864 INFO L82 PathProgramCache]: Analyzing trace with hash -943659747, now seen corresponding path program 1 times [2020-10-12 21:05:06,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:05:06,864 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1742815626] [2020-10-12 21:05:06,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:05:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:06,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:06,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:06,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:06,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:07,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:07,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:07,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:07,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:07,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:10,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:10,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:10,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:10,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:10,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:10,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:11,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:11,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-12 21:05:11,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-12 21:05:11,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 21:05:11,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:11,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:05:11,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:05:11,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-12 21:05:11,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:11,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:11,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:11,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:11,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:11,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:11,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:05:11,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:11,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:11,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:11,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:05:11,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:11,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:05:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:11,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:11,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:11,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:11,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:11,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:11,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:11,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:11,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:11,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:05:11,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:11,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:05:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:11,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:11,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:11,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:05:11,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:11,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:11,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:11,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:11,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:11,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:05:11,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:12,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:05:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:12,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:12,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:12,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:12,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:12,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:05:12,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:12,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:12,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:12,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:05:12,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:12,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 21:05:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:12,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:12,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:12,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:05:12,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:12,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:05:12,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:12,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:12,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:12,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:05:12,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:12,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 21:05:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:12,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:12,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:12,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:05:12,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:12,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:05:12,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:12,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:12,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:12,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-12 21:05:12,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:12,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:12,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:12,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:12,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:12,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:12,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:12,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:12,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:12,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:12,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:12,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:12,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:12,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:12,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:12,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:12,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:12,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:12,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:12,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:12,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:12,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:12,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:12,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:12,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:12,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:12,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:12,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:12,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:12,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:12,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:12,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:12,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:12,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:12,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:12,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:05:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:12,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:12,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:12,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:12,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:12,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:12,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:12,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:12,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:12,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:12,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:12,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:05:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:12,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:12,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:12,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:05:12,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:12,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:05:12,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:12,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:12,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:12,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:05:12,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:12,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 21:05:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:12,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:12,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:12,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:12,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:12,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:12,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:12,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:12,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:12,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:05:12,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:12,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 21:05:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:12,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:12,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:12,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:12,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-12 21:05:12,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:05:12,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-12 21:05:12,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:12,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:05:12,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-12 21:05:12,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:05:12,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:12,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:05:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:12,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:12,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:12,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 21:05:12,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:12,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 21:05:12,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:12,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:05:12,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-12 21:05:12,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:05:12,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:12,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:12,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:12,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:12,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:05:12,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:12,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:05:12,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:12,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:05:12,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-12 21:05:12,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:05:12,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:12,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:12,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:12,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:12,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:12,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:12,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:12,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:12,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:12,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:12,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:12,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:12,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:12,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:12,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:12,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:12,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:12,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:12,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:12,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:12,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:12,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:12,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:12,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:12,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:12,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:12,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:12,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:12,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:12,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:12,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:12,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:12,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:12,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:12,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:12,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:12,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:05:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:12,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:12,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:12,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:12,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:12,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:12,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:12,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:05:12,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:12,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:05:12,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:12,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-12 21:05:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:12,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:12,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:12,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:12,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:12,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:12,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:12,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:12,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:05:12,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:12,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:12,280 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-12 21:05:12,280 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1742815626] [2020-10-12 21:05:12,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:05:12,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-12 21:05:12,281 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697332635] [2020-10-12 21:05:12,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 21:05:12,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:05:12,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 21:05:12,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-12 21:05:12,282 INFO L87 Difference]: Start difference. First operand 4312 states and 6147 transitions. Second operand 12 states. [2020-10-12 21:05:13,023 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-10-12 21:05:17,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:05:17,530 INFO L93 Difference]: Finished difference Result 15648 states and 25502 transitions. [2020-10-12 21:05:17,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 21:05:17,532 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 171 [2020-10-12 21:05:17,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:05:17,607 INFO L225 Difference]: With dead ends: 15648 [2020-10-12 21:05:17,607 INFO L226 Difference]: Without dead ends: 11372 [2020-10-12 21:05:17,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=256, Invalid=800, Unknown=0, NotChecked=0, Total=1056 [2020-10-12 21:05:17,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11372 states. [2020-10-12 21:05:18,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11372 to 8408. [2020-10-12 21:05:18,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8408 states. [2020-10-12 21:05:18,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8408 states to 8408 states and 12113 transitions. [2020-10-12 21:05:18,631 INFO L78 Accepts]: Start accepts. Automaton has 8408 states and 12113 transitions. Word has length 171 [2020-10-12 21:05:18,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:05:18,632 INFO L479 AbstractCegarLoop]: Abstraction has 8408 states and 12113 transitions. [2020-10-12 21:05:18,632 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 21:05:18,632 INFO L276 IsEmpty]: Start isEmpty. Operand 8408 states and 12113 transitions. [2020-10-12 21:05:18,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-12 21:05:18,643 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:05:18,643 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, 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] [2020-10-12 21:05:18,644 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 21:05:18,644 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:05:18,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:05:18,644 INFO L82 PathProgramCache]: Analyzing trace with hash 2098294651, now seen corresponding path program 1 times [2020-10-12 21:05:18,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:05:18,645 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [372881978] [2020-10-12 21:05:18,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:05:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:18,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:18,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:18,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:18,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:18,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:18,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:23,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:23,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-12 21:05:23,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 21:05:23,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 21:05:23,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:23,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 21:05:23,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-12 21:05:23,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-10-12 21:05:23,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:23,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:23,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:23,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:23,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:23,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:23,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:23,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:23,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:23,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:23,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:23,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:23,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:05:23,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:23,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:23,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:23,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:23,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:23,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:23,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:23,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:23,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:23,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:23,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:23,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:05:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:23,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:23,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:23,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:05:23,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:23,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:23,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:23,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:23,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:23,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:23,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:23,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:05:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:23,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:23,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:23,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:23,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:23,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:05:23,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:23,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:23,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:23,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:05:23,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:23,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 21:05:23,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:23,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:23,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:23,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:05:23,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:23,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:05:23,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:23,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:23,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:23,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:05:23,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:23,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 21:05:23,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:23,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:23,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:23,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:05:23,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:23,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:05:23,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:23,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:05:23,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:05:23,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 21:05:23,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:23,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:23,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:23,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:23,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:23,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:23,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:23,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:23,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:23,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:23,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:23,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:05:23,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:23,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:23,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:23,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:23,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:23,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:23,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:23,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:23,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:23,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:23,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:05:23,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:23,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:23,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:23,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:23,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:23,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:23,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:23,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:23,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:23,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:23,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:23,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:05:23,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:23,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:05:23,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:23,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:23,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:23,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:23,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:23,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:23,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:23,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:23,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:23,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:05:23,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:23,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:05:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:23,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:23,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:23,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:05:23,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:23,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:05:23,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:23,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:23,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:23,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:05:23,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:23,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 21:05:23,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:23,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:23,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:23,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:23,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:23,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:23,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:23,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:23,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:23,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:05:23,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:23,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 21:05:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:23,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:23,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:23,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-12 21:05:23,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:23,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 21:05:23,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:23,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:05:23,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:05:23,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-12 21:05:23,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:23,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:05:23,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:23,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:23,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:23,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 21:05:23,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:23,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 21:05:23,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:23,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 21:05:23,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:05:23,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-12 21:05:23,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:23,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:23,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:23,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:23,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:05:23,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:23,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:05:23,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:23,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:05:23,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:05:23,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 21:05:23,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:23,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:23,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:23,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:23,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:23,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:23,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:23,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:23,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:23,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:23,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:05:23,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:23,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:23,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:23,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:23,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:23,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:23,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:23,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:23,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:23,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:23,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:05:23,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:23,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:23,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:23,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:23,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:23,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:23,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:23,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:23,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:23,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:23,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:05:23,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:23,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:05:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:23,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:23,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:23,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:23,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:23,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:23,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:23,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:23,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:23,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:05:23,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:23,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-12 21:05:23,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:23,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:23,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:23,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:23,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:23,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:23,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:23,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:23,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:05:23,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:23,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:24,019 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-10-12 21:05:24,020 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [372881978] [2020-10-12 21:05:24,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:05:24,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 21:05:24,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014234154] [2020-10-12 21:05:24,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 21:05:24,021 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:05:24,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 21:05:24,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-12 21:05:24,022 INFO L87 Difference]: Start difference. First operand 8408 states and 12113 transitions. Second operand 9 states. [2020-10-12 21:05:30,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:05:30,980 INFO L93 Difference]: Finished difference Result 33418 states and 60004 transitions. [2020-10-12 21:05:30,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-12 21:05:30,981 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 171 [2020-10-12 21:05:30,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:05:31,124 INFO L225 Difference]: With dead ends: 33418 [2020-10-12 21:05:31,124 INFO L226 Difference]: Without dead ends: 25050 [2020-10-12 21:05:31,183 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=138, Invalid=324, Unknown=0, NotChecked=0, Total=462 [2020-10-12 21:05:31,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25050 states. [2020-10-12 21:05:32,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25050 to 17810. [2020-10-12 21:05:32,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17810 states. [2020-10-12 21:05:33,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17810 states to 17810 states and 27602 transitions. [2020-10-12 21:05:33,009 INFO L78 Accepts]: Start accepts. Automaton has 17810 states and 27602 transitions. Word has length 171 [2020-10-12 21:05:33,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:05:33,010 INFO L479 AbstractCegarLoop]: Abstraction has 17810 states and 27602 transitions. [2020-10-12 21:05:33,010 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 21:05:33,010 INFO L276 IsEmpty]: Start isEmpty. Operand 17810 states and 27602 transitions. [2020-10-12 21:05:33,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-12 21:05:33,031 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:05:33,032 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, 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] [2020-10-12 21:05:33,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 21:05:33,032 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:05:33,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:05:33,033 INFO L82 PathProgramCache]: Analyzing trace with hash 693102973, now seen corresponding path program 1 times [2020-10-12 21:05:33,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:05:33,033 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [152234687] [2020-10-12 21:05:33,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:05:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:33,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:33,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:33,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:34,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:34,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:34,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:34,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:34,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:35,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:35,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:37,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:37,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-12 21:05:37,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 21:05:37,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4085 [2020-10-12 21:05:37,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:37,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:05:37,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:05:37,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 21:05:37,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:37,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:37,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:37,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:37,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:37,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:37,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:05:37,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:37,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:37,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:37,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:05:37,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:37,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:05:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:37,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:37,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:37,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:37,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:37,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:37,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:37,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:37,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:37,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:05:37,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:37,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:05:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:37,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:37,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:37,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:05:37,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:37,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:37,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:37,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:37,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:37,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:05:37,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:37,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:05:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:37,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:37,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:37,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:37,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:37,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:05:37,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:37,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:37,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:37,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:05:37,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:37,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 21:05:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:37,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:37,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:37,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:05:37,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:37,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:05:37,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:37,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:05:37,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:05:37,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:05:37,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:37,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 21:05:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:37,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:37,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:37,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:05:37,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:37,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:05:37,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:37,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:37,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-12 21:05:37,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:37,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:37,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:37,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:37,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:37,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:37,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:37,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:37,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:37,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:37,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:37,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:37,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:37,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:37,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:37,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:37,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:37,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:37,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:37,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:37,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:37,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:37,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:37,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:37,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:37,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:37,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:37,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:37,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:37,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:37,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:37,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:37,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:37,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:37,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:37,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:05:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:37,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:37,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:37,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:37,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:37,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:37,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:37,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:37,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:37,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:37,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:37,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:05:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:37,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:37,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:37,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:05:37,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:37,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:37,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:37,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:37,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 21:05:37,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:37,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:37,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 21:05:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:37,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:37,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:37,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:37,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:37,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:37,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:37,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:37,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:05:37,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:37,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:37,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 21:05:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:37,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:37,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:37,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-12 21:05:37,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:37,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:05:37,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:37,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:37,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-12 21:05:37,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:37,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:37,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:05:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:37,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:37,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:37,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 21:05:37,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:37,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:05:37,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:37,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:37,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:37,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:37,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:37,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:37,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:37,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:37,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:05:37,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:37,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:05:37,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:37,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:37,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:37,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:37,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:37,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:37,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:37,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:37,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:37,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:37,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:37,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:37,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:37,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:37,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:37,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:37,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:37,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:37,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:37,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:37,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:37,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:37,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:37,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:37,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:37,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:37,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:37,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:37,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:37,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:37,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:37,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:37,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:37,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:37,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:37,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:37,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:37,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:37,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:37,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:05:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:37,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:37,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:37,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:37,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:37,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:37,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:37,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:37,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:37,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:37,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:37,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-12 21:05:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:37,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:37,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:37,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:37,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:37,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:37,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:37,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:37,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:05:37,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:37,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:37,417 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-10-12 21:05:37,417 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [152234687] [2020-10-12 21:05:37,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:05:37,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 21:05:37,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763819232] [2020-10-12 21:05:37,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:05:37,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:05:37,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:05:37,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:05:37,419 INFO L87 Difference]: Start difference. First operand 17810 states and 27602 transitions. Second operand 10 states. [2020-10-12 21:05:40,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:05:40,689 INFO L93 Difference]: Finished difference Result 41742 states and 68445 transitions. [2020-10-12 21:05:40,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 21:05:40,689 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 171 [2020-10-12 21:05:40,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:05:40,799 INFO L225 Difference]: With dead ends: 41742 [2020-10-12 21:05:40,799 INFO L226 Difference]: Without dead ends: 23978 [2020-10-12 21:05:40,867 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2020-10-12 21:05:40,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23978 states. [2020-10-12 21:05:42,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23978 to 17810. [2020-10-12 21:05:42,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17810 states. [2020-10-12 21:05:42,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17810 states to 17810 states and 27378 transitions. [2020-10-12 21:05:42,829 INFO L78 Accepts]: Start accepts. Automaton has 17810 states and 27378 transitions. Word has length 171 [2020-10-12 21:05:42,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:05:42,830 INFO L479 AbstractCegarLoop]: Abstraction has 17810 states and 27378 transitions. [2020-10-12 21:05:42,830 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:05:42,830 INFO L276 IsEmpty]: Start isEmpty. Operand 17810 states and 27378 transitions. [2020-10-12 21:05:42,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-12 21:05:42,853 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:05:42,853 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, 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] [2020-10-12 21:05:42,853 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 21:05:42,853 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:05:42,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:05:42,854 INFO L82 PathProgramCache]: Analyzing trace with hash 721309245, now seen corresponding path program 1 times [2020-10-12 21:05:42,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:05:42,854 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1752698142] [2020-10-12 21:05:42,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:05:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:42,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:42,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:42,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:43,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:43,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:43,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:43,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:44,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:44,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-12 21:05:45,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 21:05:45,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2942 [2020-10-12 21:05:45,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:05:45,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:05:45,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 21:05:45,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:45,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:45,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:05:45,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:45,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:45,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:05:45,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:05:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:45,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:45,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:45,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:45,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:45,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:05:45,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:05:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:05:45,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:45,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:45,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:45,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:45,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:05:45,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:05:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:45,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:45,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:05:45,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:45,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:45,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:05:45,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 21:05:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:05:45,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:45,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:05:45,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:05:45,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:05:45,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:05:45,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 21:05:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:05:45,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:45,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:05:45,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:45,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-12 21:05:45,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:45,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:45,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:45,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:45,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:45,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:45,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:45,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:45,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:45,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:45,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:45,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:45,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:45,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:45,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:45,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:45,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:45,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:45,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:45,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:05:45,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:45,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:45,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:45,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:45,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:45,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:45,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:05:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:46,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:46,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:46,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:05:46,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:46,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:46,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:46,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:46,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 21:05:46,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:46,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:46,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 21:05:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:46,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:46,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:46,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:46,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:46,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:46,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:46,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:46,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:05:46,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:46,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:46,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 21:05:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:46,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:46,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:46,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-12 21:05:46,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:46,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:05:46,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:46,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:46,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-12 21:05:46,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:46,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:46,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:05:46,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:46,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:46,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:46,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 21:05:46,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:46,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:05:46,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:46,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:46,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:46,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:46,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:46,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:46,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:46,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:46,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:05:46,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:46,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:46,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:46,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:46,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:46,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:46,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:46,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:46,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:46,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:46,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:46,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:46,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:46,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:46,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:46,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:46,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:46,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:46,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:46,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:46,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:46,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:46,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:46,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:46,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:46,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:46,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:46,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:46,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:46,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:46,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:46,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:46,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:46,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:46,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:46,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:46,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:46,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:46,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:46,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:46,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:05:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:46,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:46,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:46,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:46,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:46,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:46,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:46,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:46,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:46,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:46,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:46,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-12 21:05:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:46,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:46,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:46,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:46,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:46,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:46,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:46,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:46,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:05:46,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:46,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:46,096 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-10-12 21:05:46,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1752698142] [2020-10-12 21:05:46,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:05:46,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 21:05:46,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283070786] [2020-10-12 21:05:46,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:05:46,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:05:46,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:05:46,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:05:46,098 INFO L87 Difference]: Start difference. First operand 17810 states and 27378 transitions. Second operand 10 states. [2020-10-12 21:05:50,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:05:50,193 INFO L93 Difference]: Finished difference Result 42624 states and 73995 transitions. [2020-10-12 21:05:50,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:05:50,194 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 171 [2020-10-12 21:05:50,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:05:50,319 INFO L225 Difference]: With dead ends: 42624 [2020-10-12 21:05:50,320 INFO L226 Difference]: Without dead ends: 24860 [2020-10-12 21:05:50,416 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2020-10-12 21:05:50,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24860 states. [2020-10-12 21:05:52,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24860 to 19160. [2020-10-12 21:05:52,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19160 states. [2020-10-12 21:05:52,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19160 states to 19160 states and 29216 transitions. [2020-10-12 21:05:52,324 INFO L78 Accepts]: Start accepts. Automaton has 19160 states and 29216 transitions. Word has length 171 [2020-10-12 21:05:52,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:05:52,325 INFO L479 AbstractCegarLoop]: Abstraction has 19160 states and 29216 transitions. [2020-10-12 21:05:52,325 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:05:52,325 INFO L276 IsEmpty]: Start isEmpty. Operand 19160 states and 29216 transitions. [2020-10-12 21:05:52,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-12 21:05:52,341 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:05:52,342 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, 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] [2020-10-12 21:05:52,342 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 21:05:52,342 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:05:52,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:05:52,342 INFO L82 PathProgramCache]: Analyzing trace with hash -1852575363, now seen corresponding path program 1 times [2020-10-12 21:05:52,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:05:52,343 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [229180655] [2020-10-12 21:05:52,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:05:52,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:52,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:52,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:52,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:52,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:52,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:52,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:53,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:53,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:54,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:54,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-12 21:05:54,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 21:05:54,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2059 [2020-10-12 21:05:54,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:54,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:05:54,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:05:54,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 21:05:54,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:54,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:54,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:54,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:54,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:54,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:54,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:05:54,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:54,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:54,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:54,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:05:54,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:54,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:05:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:54,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:54,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:54,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:54,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:54,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:54,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:54,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:54,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:54,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:05:54,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:54,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:05:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:54,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:54,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:54,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:05:54,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:54,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:54,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:54,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:54,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:54,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:05:54,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:54,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:05:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:54,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:54,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:54,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:54,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:54,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:54,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:54,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:54,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:54,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:05:54,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:54,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 21:05:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:54,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:54,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:54,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:05:54,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:54,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:05:54,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:54,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:05:54,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:05:54,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:05:54,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:54,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 21:05:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:54,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:54,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:54,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:05:54,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:54,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:05:54,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:54,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:54,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-12 21:05:54,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:54,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:54,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:54,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:54,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:54,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:54,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:54,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:54,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:54,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:54,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:54,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:54,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:54,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:54,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:54,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:54,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:54,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:54,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:54,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:54,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:54,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:54,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:54,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:54,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:54,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:54,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:54,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:54,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:54,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:54,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:54,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:54,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:54,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:54,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:54,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:05:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:54,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:54,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:54,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:54,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:54,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:54,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:54,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:54,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:54,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:54,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:54,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:05:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:54,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:54,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:54,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:05:54,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:54,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:54,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:54,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:54,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 21:05:54,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:54,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:54,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 21:05:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:54,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:54,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:54,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:54,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:54,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:54,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:54,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:54,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:05:54,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:54,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:54,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 21:05:54,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:54,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:54,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:54,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-12 21:05:54,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:54,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:05:54,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:54,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:54,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-12 21:05:54,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:54,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:54,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:05:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:54,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:54,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:54,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 21:05:54,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:54,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:05:54,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:54,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:54,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:54,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:54,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:54,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:54,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:54,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:54,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:05:54,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:54,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:05:54,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:54,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:54,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:54,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:54,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:54,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:54,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:54,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:54,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:54,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:54,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:54,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:54,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:54,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:54,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:54,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:54,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:54,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:54,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:54,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:54,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:54,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:54,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:54,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:54,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:54,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:54,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:54,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:54,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:54,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:54,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:54,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:54,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:54,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:54,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:54,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:54,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:54,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:54,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:54,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:54,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:05:54,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:54,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:54,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:54,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:54,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:54,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:54,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:54,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:54,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:54,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:54,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:54,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-12 21:05:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:54,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:54,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:54,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:54,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:54,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:54,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:54,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:54,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:05:54,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:54,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:54,714 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-10-12 21:05:54,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [229180655] [2020-10-12 21:05:54,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:05:54,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 21:05:54,715 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646567717] [2020-10-12 21:05:54,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:05:54,716 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:05:54,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:05:54,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:05:54,717 INFO L87 Difference]: Start difference. First operand 19160 states and 29216 transitions. Second operand 10 states. [2020-10-12 21:05:58,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:05:58,759 INFO L93 Difference]: Finished difference Result 46170 states and 76912 transitions. [2020-10-12 21:05:58,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:05:58,759 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 171 [2020-10-12 21:05:58,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:05:58,865 INFO L225 Difference]: With dead ends: 46170 [2020-10-12 21:05:58,865 INFO L226 Difference]: Without dead ends: 27056 [2020-10-12 21:05:58,944 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2020-10-12 21:05:58,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27056 states. [2020-10-12 21:06:00,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27056 to 21184. [2020-10-12 21:06:00,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21184 states. [2020-10-12 21:06:00,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21184 states to 21184 states and 31430 transitions. [2020-10-12 21:06:00,879 INFO L78 Accepts]: Start accepts. Automaton has 21184 states and 31430 transitions. Word has length 171 [2020-10-12 21:06:00,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:06:00,879 INFO L479 AbstractCegarLoop]: Abstraction has 21184 states and 31430 transitions. [2020-10-12 21:06:00,879 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:06:00,879 INFO L276 IsEmpty]: Start isEmpty. Operand 21184 states and 31430 transitions. [2020-10-12 21:06:00,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-12 21:06:00,891 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:06:00,891 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, 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] [2020-10-12 21:06:00,891 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 21:06:00,892 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:06:00,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:06:00,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1901962427, now seen corresponding path program 1 times [2020-10-12 21:06:00,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:06:00,893 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1579467426] [2020-10-12 21:06:00,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:06:00,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:00,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:00,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:01,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:01,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:01,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:01,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:01,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:01,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-12 21:06:01,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 21:06:01,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 523 [2020-10-12 21:06:01,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:01,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:06:01,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:06:01,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 21:06:01,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:01,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:01,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:01,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:01,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:01,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:01,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:06:01,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:01,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:01,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:01,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:06:01,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:01,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:06:01,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:01,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:01,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:01,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:01,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:01,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:01,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:01,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:01,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:01,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:06:01,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:01,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:06:01,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:01,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:01,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:01,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:06:01,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:01,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:01,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:01,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:01,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:01,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:06:01,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:01,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:06:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:01,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:01,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:01,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:01,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:01,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:01,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:01,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:01,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:01,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:01,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:01,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 21:06:01,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:01,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:01,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:01,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:06:01,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:01,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:06:01,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:01,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:06:01,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:06:01,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:06:01,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:01,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 21:06:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:01,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:01,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:01,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:06:01,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:01,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:06:01,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:01,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:01,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-12 21:06:01,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:01,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:01,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:01,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:01,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:01,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:01,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:01,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:01,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:01,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:01,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:01,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:01,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:01,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:01,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:01,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:01,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:01,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:01,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:01,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:01,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:01,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:01,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:01,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:01,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:01,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:01,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:01,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:01,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:01,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:01,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:01,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:01,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:01,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:01,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:01,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:01,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:06:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:01,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:01,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:01,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:01,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:01,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:01,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:01,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:01,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:01,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:01,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:01,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:06:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:01,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:01,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:01,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:06:01,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:01,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:01,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:01,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:01,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 21:06:01,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:01,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:01,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 21:06:01,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:01,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:01,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:01,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:01,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:01,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:01,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:01,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:01,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:06:01,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:01,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:01,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 21:06:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:01,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:01,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:01,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-12 21:06:01,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:01,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:06:01,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:01,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:01,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-12 21:06:01,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:01,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:01,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:06:01,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:01,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:01,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:01,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 21:06:01,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:01,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:01,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:01,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:01,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:01,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:01,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:01,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:01,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:01,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:01,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:06:01,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:01,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:01,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:01,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:01,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:01,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:01,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:01,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:01,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:01,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:01,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:01,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:01,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:01,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:01,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:01,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:01,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:01,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:01,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:01,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:01,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:01,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:01,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:01,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:01,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:01,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:01,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:01,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:01,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:01,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:01,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:01,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:01,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:01,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:01,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:01,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:01,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:01,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:01,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:01,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:01,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:01,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:06:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:01,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:01,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:01,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:01,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:01,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:01,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:01,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:01,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:01,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:01,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:01,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-12 21:06:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:01,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:01,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:01,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:01,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:01,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:01,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:01,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:01,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:06:01,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:01,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:01,724 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-10-12 21:06:01,724 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1579467426] [2020-10-12 21:06:01,725 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:06:01,725 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 21:06:01,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16605995] [2020-10-12 21:06:01,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:06:01,726 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:06:01,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:06:01,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:06:01,726 INFO L87 Difference]: Start difference. First operand 21184 states and 31430 transitions. Second operand 10 states. [2020-10-12 21:06:05,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:06:05,834 INFO L93 Difference]: Finished difference Result 48794 states and 79313 transitions. [2020-10-12 21:06:05,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 21:06:05,834 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 171 [2020-10-12 21:06:05,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:06:05,924 INFO L225 Difference]: With dead ends: 48794 [2020-10-12 21:06:05,924 INFO L226 Difference]: Without dead ends: 27656 [2020-10-12 21:06:06,272 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2020-10-12 21:06:06,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27656 states. [2020-10-12 21:06:07,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27656 to 20740. [2020-10-12 21:06:07,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20740 states. [2020-10-12 21:06:07,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20740 states to 20740 states and 28458 transitions. [2020-10-12 21:06:07,730 INFO L78 Accepts]: Start accepts. Automaton has 20740 states and 28458 transitions. Word has length 171 [2020-10-12 21:06:07,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:06:07,730 INFO L479 AbstractCegarLoop]: Abstraction has 20740 states and 28458 transitions. [2020-10-12 21:06:07,730 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:06:07,730 INFO L276 IsEmpty]: Start isEmpty. Operand 20740 states and 28458 transitions. [2020-10-12 21:06:07,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-10-12 21:06:07,743 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:06:07,743 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-10-12 21:06:07,743 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 21:06:07,743 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:06:07,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:06:07,744 INFO L82 PathProgramCache]: Analyzing trace with hash 772426758, now seen corresponding path program 1 times [2020-10-12 21:06:07,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:06:07,744 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [730306134] [2020-10-12 21:06:07,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:06:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:07,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:08,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:10,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:10,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-12 21:06:12,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 21:06:12,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-12 21:06:12,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 21:06:12,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 21:06:12,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-12 21:06:12,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:12,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:12,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:12,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:12,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:12,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:06:12,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:12,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:12,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:12,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:12,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:12,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:06:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:06:12,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:12,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:12,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:12,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:12,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:06:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:12,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:12,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:12,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:12,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:06:12,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 21:06:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:06:12,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:06:12,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:12,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:12,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:06:12,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 21:06:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:06:12,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:06:12,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:06:12,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:06:12,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 21:06:12,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:12,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:06:12,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:12,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:12,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:12,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:12,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:12,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:12,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:12,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:12,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:12,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:12,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:12,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:12,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:12,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:12,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:06:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:12,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:12,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:12,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:12,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:12,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:06:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:06:12,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:12,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:12,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:12,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:06:12,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 21:06:12,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:12,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:06:12,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:12,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:12,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:12,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:06:12,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:13,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:06:13,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:13,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:13,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:13,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:13,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:13,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:13,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:13,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:13,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:06:13,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:13,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:13,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:06:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:13,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:13,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:13,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:13,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:13,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:13,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:13,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:13,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:06:13,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:13,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:13,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 21:06:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:13,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:13,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:13,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:13,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:13,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:13,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:13,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:13,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:06:13,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:13,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:13,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 21:06:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:13,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:13,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:13,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-12 21:06:13,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:13,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:06:13,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:13,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:13,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-12 21:06:13,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:13,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:13,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:06:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:13,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:13,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:13,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 21:06:13,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:13,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:06:13,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:13,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:13,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:13,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:13,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:13,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:13,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:13,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:13,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:06:13,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:13,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:13,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:13,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:13,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:13,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:13,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:13,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:13,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:13,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:13,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:13,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:13,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:13,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:13,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:13,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:13,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:13,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:13,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:13,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:13,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:13,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:13,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:13,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:13,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:13,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:13,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:13,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:13,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:13,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:13,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:13,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:13,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:13,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:13,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:13,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:13,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:13,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:13,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:13,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:13,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:13,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:06:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:13,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:13,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:13,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:13,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:13,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:13,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:13,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:13,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:13,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:13,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:13,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-12 21:06:13,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:13,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:13,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:13,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:13,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:13,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:13,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:13,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:13,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:06:13,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:13,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:13,158 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-10-12 21:06:13,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [730306134] [2020-10-12 21:06:13,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:06:13,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-12 21:06:13,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619064546] [2020-10-12 21:06:13,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 21:06:13,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:06:13,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 21:06:13,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-10-12 21:06:13,160 INFO L87 Difference]: Start difference. First operand 20740 states and 28458 transitions. Second operand 11 states. [2020-10-12 21:06:19,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:06:19,134 INFO L93 Difference]: Finished difference Result 66247 states and 114537 transitions. [2020-10-12 21:06:19,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-12 21:06:19,135 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 198 [2020-10-12 21:06:19,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:06:19,274 INFO L225 Difference]: With dead ends: 66247 [2020-10-12 21:06:19,274 INFO L226 Difference]: Without dead ends: 45569 [2020-10-12 21:06:19,349 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2020-10-12 21:06:19,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45569 states. [2020-10-12 21:06:22,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45569 to 36873. [2020-10-12 21:06:22,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36873 states. [2020-10-12 21:06:22,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36873 states to 36873 states and 54980 transitions. [2020-10-12 21:06:22,493 INFO L78 Accepts]: Start accepts. Automaton has 36873 states and 54980 transitions. Word has length 198 [2020-10-12 21:06:22,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:06:22,493 INFO L479 AbstractCegarLoop]: Abstraction has 36873 states and 54980 transitions. [2020-10-12 21:06:22,493 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 21:06:22,494 INFO L276 IsEmpty]: Start isEmpty. Operand 36873 states and 54980 transitions. [2020-10-12 21:06:22,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-12 21:06:22,526 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:06:22,526 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, 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] [2020-10-12 21:06:22,526 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 21:06:22,526 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:06:22,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:06:22,527 INFO L82 PathProgramCache]: Analyzing trace with hash 530545021, now seen corresponding path program 1 times [2020-10-12 21:06:22,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:06:22,527 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [367861992] [2020-10-12 21:06:22,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:06:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:22,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:22,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:22,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:22,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:22,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:22,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:22,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:22,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:23,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:23,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-12 21:06:23,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 21:06:23,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 559 [2020-10-12 21:06:23,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:23,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 21:06:23,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 21:06:23,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-12 21:06:23,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:23,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:23,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:23,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:23,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:23,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:23,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:23,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:23,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:23,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:23,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:23,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:23,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:23,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:06:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:23,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:23,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:23,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:23,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:23,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:23,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:23,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:23,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:23,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:23,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:23,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:06:23,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:23,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:23,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:23,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:06:23,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:23,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:23,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:23,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:23,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:23,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:23,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:23,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:06:23,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:23,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:23,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:23,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:23,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:23,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:23,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:23,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:23,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:23,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:06:23,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:23,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 21:06:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:23,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:23,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:23,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:06:23,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:23,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:23,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:23,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:23,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:23,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:06:23,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:23,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 21:06:23,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:23,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:23,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:23,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:06:23,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:23,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:06:23,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:23,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:06:23,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:06:23,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 21:06:23,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:23,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:23,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:23,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:23,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:23,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:23,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:23,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:23,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:23,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:23,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:23,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:23,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:23,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:23,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:23,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:23,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:23,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:23,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:23,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:23,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:23,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:23,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:23,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:23,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:23,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:23,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:23,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:23,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:23,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:23,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:23,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:23,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:23,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:23,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:23,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:23,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:06:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:23,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:23,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:23,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:23,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:23,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:23,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:23,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:23,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:23,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:23,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:23,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:06:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:23,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:23,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:23,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:06:23,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:23,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:23,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:23,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:23,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:23,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:06:23,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:23,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 21:06:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:23,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:23,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:23,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:23,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:23,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:23,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:23,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:23,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 21:06:23,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:06:23,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:23,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 21:06:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:23,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:23,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:23,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-12 21:06:23,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:23,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:06:23,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:23,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:23,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-12 21:06:23,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:23,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:23,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:06:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:23,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:23,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:23,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 21:06:23,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:23,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:06:23,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:23,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:23,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:23,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:23,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:23,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:23,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:23,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:23,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:23,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:06:23,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:23,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:23,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:23,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:23,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:23,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:23,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:23,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:23,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:23,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:23,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:23,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:23,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:23,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:23,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:23,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:23,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:23,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:23,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:23,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:23,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:23,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:23,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:23,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:23,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:23,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:23,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:23,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:23,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:23,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:23,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:23,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:23,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:23,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:23,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:23,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:23,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:23,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:23,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:23,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:23,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:23,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:06:23,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:23,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:23,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:23,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:23,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:23,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:23,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:23,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:23,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:23,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:23,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:23,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-12 21:06:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:23,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:23,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:23,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:23,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:23,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:23,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:23,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:23,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:06:23,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:23,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:23,396 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-10-12 21:06:23,397 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [367861992] [2020-10-12 21:06:23,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:06:23,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-12 21:06:23,397 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337214139] [2020-10-12 21:06:23,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 21:06:23,398 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:06:23,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 21:06:23,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-12 21:06:23,398 INFO L87 Difference]: Start difference. First operand 36873 states and 54980 transitions. Second operand 11 states. [2020-10-12 21:06:32,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:06:32,084 INFO L93 Difference]: Finished difference Result 76177 states and 128767 transitions. [2020-10-12 21:06:32,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-12 21:06:32,085 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 171 [2020-10-12 21:06:32,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:06:32,244 INFO L225 Difference]: With dead ends: 76177 [2020-10-12 21:06:32,244 INFO L226 Difference]: Without dead ends: 37258 [2020-10-12 21:06:32,370 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=227, Invalid=765, Unknown=0, NotChecked=0, Total=992 [2020-10-12 21:06:32,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37258 states. [2020-10-12 21:06:34,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37258 to 30134. [2020-10-12 21:06:34,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30134 states. [2020-10-12 21:06:34,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30134 states to 30134 states and 42749 transitions. [2020-10-12 21:06:35,009 INFO L78 Accepts]: Start accepts. Automaton has 30134 states and 42749 transitions. Word has length 171 [2020-10-12 21:06:35,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:06:35,009 INFO L479 AbstractCegarLoop]: Abstraction has 30134 states and 42749 transitions. [2020-10-12 21:06:35,009 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 21:06:35,010 INFO L276 IsEmpty]: Start isEmpty. Operand 30134 states and 42749 transitions. [2020-10-12 21:06:35,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-10-12 21:06:35,029 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:06:35,030 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:06:35,030 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 21:06:35,030 INFO L427 AbstractCegarLoop]: === Iteration 16 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:06:35,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:06:35,031 INFO L82 PathProgramCache]: Analyzing trace with hash -1980279204, now seen corresponding path program 1 times [2020-10-12 21:06:35,031 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:06:35,031 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [845844085] [2020-10-12 21:06:35,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:06:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:35,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:35,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:35,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:35,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:35,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:35,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:35,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:37,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:37,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:37,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:40,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:40,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 307 [2020-10-12 21:06:40,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 21:06:40,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 21:06:40,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:40,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 21:06:40,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-12 21:06:40,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-10-12 21:06:40,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:40,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:40,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:40,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:40,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:40,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:40,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:40,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:40,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:40,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:40,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:40,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:40,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:06:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:40,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:40,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:40,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:40,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:40,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:40,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:40,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:40,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:40,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:40,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:40,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:06:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:40,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:40,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:40,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:06:40,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:40,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:40,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:40,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:40,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:40,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:40,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:40,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:06:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:40,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:40,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:40,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:40,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:40,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:06:40,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:40,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:40,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:40,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:06:40,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:40,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 21:06:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:40,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:40,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:40,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:06:40,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:40,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:06:40,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:40,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:40,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:40,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:06:40,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:40,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 21:06:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:40,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:40,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:40,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:06:40,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:40,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:06:40,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:40,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:06:40,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:06:40,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 21:06:40,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:40,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:40,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:40,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:40,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:40,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:40,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:40,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:40,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:40,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:40,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:40,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:40,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:40,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:40,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:40,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:40,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:40,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:40,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:40,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:40,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:40,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:40,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:40,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:40,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:40,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:40,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:40,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:40,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:40,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:40,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:40,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:40,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:40,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:40,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:40,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:40,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:06:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:40,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:40,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:40,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:40,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:40,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:40,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:40,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:40,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:40,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:40,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:40,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:06:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:40,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:40,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:40,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:06:40,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:40,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:40,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:40,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:40,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:40,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:06:40,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:40,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 21:06:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:40,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:40,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:40,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:40,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:40,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:40,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:40,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:40,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:40,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:06:40,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:40,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 21:06:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:40,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:40,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:40,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:40,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:40,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:40,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:40,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:40,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:40,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:06:40,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:40,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-12 21:06:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:40,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:40,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:40,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-12 21:06:40,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:40,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 21:06:40,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:40,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:06:40,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:06:40,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-12 21:06:40,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:40,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:06:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:40,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:40,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:40,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 21:06:40,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:40,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:06:40,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:40,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 21:06:40,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:06:40,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-12 21:06:40,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:40,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:40,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:40,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:40,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:06:40,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:40,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:06:40,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:40,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:06:40,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:06:40,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 21:06:40,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:40,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:40,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:40,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:40,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:40,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:40,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:40,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:40,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:40,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:40,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:40,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:40,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:40,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:40,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:40,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:40,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:40,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:40,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:40,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:40,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:40,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:40,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:40,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:40,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:40,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:40,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:40,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:40,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:40,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:40,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:40,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:40,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:40,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:40,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:06:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:40,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:40,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:40,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:40,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:40,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:40,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:40,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:40,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:40,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:40,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:40,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 21:06:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:40,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:40,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:40,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:40,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-12 21:06:40,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:06:40,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:06:40,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:40,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:40,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 21:06:40,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-12 21:06:40,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:40,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:06:40,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:40,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:40,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:40,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 21:06:40,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:40,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:06:40,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:40,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:40,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-12 21:06:40,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:06:40,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:40,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:40,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:40,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:40,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:06:40,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:40,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:06:40,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:40,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:40,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:40,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 21:06:40,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:40,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:40,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:40,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:40,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:40,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:40,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:40,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:40,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:40,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:40,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:40,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:40,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:40,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:40,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:40,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:40,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:40,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:40,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:40,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:40,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:40,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:40,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:40,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:40,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:40,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:40,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:40,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:40,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:40,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:40,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:40,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:40,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:40,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:40,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:40,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:06:40,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:40,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:40,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:40,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:40,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:40,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:40,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:40,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:40,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:40,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 21:06:40,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:40,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-12 21:06:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:40,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:40,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:40,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:40,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:40,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:40,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:40,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:40,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:06:40,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:40,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:40,475 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-10-12 21:06:40,476 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [845844085] [2020-10-12 21:06:40,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:06:40,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 21:06:40,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021106340] [2020-10-12 21:06:40,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 21:06:40,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:06:40,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 21:06:40,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-10-12 21:06:40,478 INFO L87 Difference]: Start difference. First operand 30134 states and 42749 transitions. Second operand 12 states. [2020-10-12 21:06:49,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:06:49,037 INFO L93 Difference]: Finished difference Result 73328 states and 118307 transitions. [2020-10-12 21:06:49,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-12 21:06:49,037 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 239 [2020-10-12 21:06:49,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:06:49,171 INFO L225 Difference]: With dead ends: 73328 [2020-10-12 21:06:49,171 INFO L226 Difference]: Without dead ends: 34614 [2020-10-12 21:06:49,301 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 456 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=342, Invalid=1298, Unknown=0, NotChecked=0, Total=1640 [2020-10-12 21:06:49,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34614 states. [2020-10-12 21:06:51,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34614 to 30454. [2020-10-12 21:06:51,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30454 states. [2020-10-12 21:06:51,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30454 states to 30454 states and 42027 transitions. [2020-10-12 21:06:51,965 INFO L78 Accepts]: Start accepts. Automaton has 30454 states and 42027 transitions. Word has length 239 [2020-10-12 21:06:51,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:06:51,965 INFO L479 AbstractCegarLoop]: Abstraction has 30454 states and 42027 transitions. [2020-10-12 21:06:51,966 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 21:06:51,966 INFO L276 IsEmpty]: Start isEmpty. Operand 30454 states and 42027 transitions. [2020-10-12 21:06:52,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2020-10-12 21:06:52,010 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:06:52,011 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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 21:06:52,011 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-12 21:06:52,011 INFO L427 AbstractCegarLoop]: === Iteration 17 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:06:52,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:06:52,011 INFO L82 PathProgramCache]: Analyzing trace with hash -260060725, now seen corresponding path program 1 times [2020-10-12 21:06:52,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:06:52,012 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [345907522] [2020-10-12 21:06:52,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:06:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:52,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:52,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:52,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:52,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:52,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:52,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:52,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:52,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:53,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:53,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:53,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 609 [2020-10-12 21:06:58,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-12 21:06:58,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6031 [2020-10-12 21:06:58,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 21:06:58,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-12 21:06:58,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-12 21:06:58,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:58,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:06:58,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:06:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:58,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:58,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:06:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:06:58,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:58,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:06:58,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:58,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:06:58,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:58,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:06:58,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 21:06:58,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:06:58,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:06:58,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:58,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:06:58,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 21:06:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:06:58,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:06:58,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:06:58,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:06:58,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 21:06:58,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:58,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:58,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:58,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:58,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:58,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:58,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:58,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:58,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:58,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:58,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:58,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:58,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:58,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:06:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:58,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:58,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:58,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:58,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:06:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:06:58,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:58,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:58,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:06:58,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 21:06:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 21:06:58,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:06:58,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-12 21:06:58,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:06:58,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-12 21:06:58,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:06:58,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:06:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:58,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:58,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:06:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:58,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:58,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 21:06:58,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:58,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:58,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:06:58,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:06:58,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 21:06:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:06:58,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:58,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 21:06:58,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 21:06:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:06:58,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:58,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 21:06:58,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 21:06:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:06:58,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:06:58,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-12 21:06:58,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:58,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:58,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:58,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:58,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:58,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:58,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:58,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:06:58,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:58,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:58,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-12 21:06:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:06:58,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:58,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 21:06:58,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-12 21:06:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:58,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:58,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:06:58,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-10-12 21:06:58,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:06:58,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:58,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 21:06:58,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:58,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:58,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:58,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-10-12 21:06:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:58,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:58,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:06:58,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-12 21:06:58,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-12 21:06:58,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:06:58,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:06:58,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:58,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 21:06:58,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-12 21:06:58,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:06:58,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 21:06:58,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:06:58,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:58,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-12 21:06:58,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 21:06:58,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:06:58,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:06:58,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:58,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 21:06:58,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:58,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:58,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:58,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:58,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:58,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:58,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:58,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:58,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 21:06:58,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:06:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:58,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:58,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:58,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:58,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2020-10-12 21:06:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:58,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:58,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:06:58,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2020-10-12 21:06:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:58,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:58,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:06:58,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-10-12 21:06:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-12 21:06:58,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:06:58,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-12 21:06:58,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:06:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 21:06:58,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:06:58,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-12 21:06:58,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:06:58,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:58,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:58,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:58,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:58,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:58,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:58,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:58,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:06:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:06:58,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:58,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2020-10-12 21:06:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-12 21:06:58,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:06:58,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 21:06:58,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:58,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 21:06:58,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-12 21:06:58,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:06:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 21:06:58,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:06:58,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:58,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-12 21:06:58,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 21:06:58,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:06:58,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:06:58,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:58,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 21:06:58,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:58,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:58,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:58,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:58,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:58,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:58,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:58,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 21:06:58,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:06:58,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:58,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:58,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:58,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:58,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2020-10-12 21:06:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-12 21:06:58,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:06:58,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-12 21:06:58,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:06:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 21:06:58,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:06:58,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-12 21:06:58,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:06:58,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:58,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:58,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:58,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:58,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:58,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:58,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:06:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:06:58,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:58,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:58,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2020-10-12 21:06:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:58,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:58,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:58,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:58,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:58,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:58,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:58,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:06:58,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:58,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:58,975 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 104 proven. 124 refuted. 0 times theorem prover too weak. 592 trivial. 0 not checked. [2020-10-12 21:06:58,975 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [345907522] [2020-10-12 21:06:58,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:06:58,976 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-12 21:06:58,976 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569326582] [2020-10-12 21:06:58,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 21:06:58,977 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:06:58,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 21:06:58,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2020-10-12 21:06:58,978 INFO L87 Difference]: Start difference. First operand 30454 states and 42027 transitions. Second operand 18 states. [2020-10-12 21:07:05,927 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-10-12 21:07:08,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:07:08,589 INFO L93 Difference]: Finished difference Result 42546 states and 57688 transitions. [2020-10-12 21:07:08,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2020-10-12 21:07:08,590 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 481 [2020-10-12 21:07:08,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:07:08,628 INFO L225 Difference]: With dead ends: 42546 [2020-10-12 21:07:08,628 INFO L226 Difference]: Without dead ends: 10638 [2020-10-12 21:07:08,710 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2543 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=1178, Invalid=6304, Unknown=0, NotChecked=0, Total=7482 [2020-10-12 21:07:08,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10638 states. [2020-10-12 21:07:09,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10638 to 9125. [2020-10-12 21:07:09,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9125 states. [2020-10-12 21:07:09,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9125 states to 9125 states and 10061 transitions. [2020-10-12 21:07:09,362 INFO L78 Accepts]: Start accepts. Automaton has 9125 states and 10061 transitions. Word has length 481 [2020-10-12 21:07:09,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:07:09,362 INFO L479 AbstractCegarLoop]: Abstraction has 9125 states and 10061 transitions. [2020-10-12 21:07:09,362 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-12 21:07:09,362 INFO L276 IsEmpty]: Start isEmpty. Operand 9125 states and 10061 transitions. [2020-10-12 21:07:09,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2020-10-12 21:07:09,368 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:07:09,368 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 21:07:09,368 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-12 21:07:09,369 INFO L427 AbstractCegarLoop]: === Iteration 18 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:07:09,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:07:09,369 INFO L82 PathProgramCache]: Analyzing trace with hash 89216813, now seen corresponding path program 1 times [2020-10-12 21:07:09,369 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:07:09,369 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1719257770] [2020-10-12 21:07:09,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:07:09,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:09,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:09,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:09,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:09,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:09,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:09,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:09,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:09,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:10,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:10,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:12,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 462 [2020-10-12 21:07:14,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-12 21:07:14,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-12 21:07:14,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 21:07:14,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:07:14,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 232 [2020-10-12 21:07:14,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:07:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:07:14,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:07:14,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:14,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:07:14,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:07:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:07:14,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:14,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:14,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:07:14,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:07:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:07:14,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:14,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:14,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:07:14,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:07:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:14,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:07:14,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:14,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:07:14,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 21:07:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:07:14,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:07:14,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:14,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:07:14,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 21:07:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:07:14,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:07:14,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:14,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-12 21:07:14,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:07:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:14,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:14,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:14,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:14,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:07:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:14,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:14,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:14,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:14,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:07:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:14,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:14,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:14,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:14,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:07:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:14,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:14,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:14,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:14,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:07:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:07:14,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:07:14,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:14,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:07:14,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 21:07:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:07:14,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:14,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:14,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:07:14,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 21:07:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-12 21:07:14,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:07:14,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:14,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-12 21:07:14,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:07:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 21:07:14,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:07:14,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:14,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:14,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:07:14,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:07:14,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:07:14,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:14,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:14,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:07:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:14,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:14,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:14,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:14,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:07:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:14,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:14,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:14,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:14,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:07:14,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:14,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:14,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:14,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:14,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:07:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:14,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:14,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:14,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:14,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-12 21:07:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:07:14,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:07:14,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:14,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:07:14,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-12 21:07:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:07:14,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:07:14,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:14,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:07:14,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-12 21:07:14,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:14,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:14,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:14,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:07:14,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-12 21:07:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-12 21:07:14,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:07:14,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 21:07:14,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:07:14,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:07:14,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 21:07:14,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:07:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 21:07:14,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:07:14,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:14,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-12 21:07:14,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:07:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-12 21:07:14,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:07:14,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:14,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:14,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:07:14,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:14,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:14,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:14,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:14,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:07:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:14,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:14,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:14,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:14,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:07:14,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:14,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:14,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:14,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:14,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:07:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:07:14,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:14,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:14,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:14,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2020-10-12 21:07:14,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-12 21:07:14,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:07:14,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:14,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-12 21:07:14,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:14,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:07:14,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 21:07:14,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:07:14,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:14,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:14,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:07:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-12 21:07:14,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:07:14,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:14,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:14,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:07:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:14,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:14,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:14,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:14,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:07:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:14,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:14,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:14,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:14,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:07:14,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:07:14,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:14,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:14,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:14,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:07:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:14,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:14,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:14,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:14,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2020-10-12 21:07:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-12 21:07:14,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:07:14,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:14,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-12 21:07:14,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:14,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:07:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-12 21:07:14,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:07:14,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:14,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:14,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:07:14,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 21:07:14,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:07:14,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:14,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:14,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:07:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:14,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:14,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:14,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:14,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:07:14,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:14,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:14,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:14,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:14,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:07:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:07:14,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:14,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:14,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:14,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:07:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:07:14,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:14,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:14,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:14,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:14,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2020-10-12 21:07:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:14,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:14,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:14,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:07:14,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:14,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:14,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:14,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:14,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:07:14,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:14,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:14,997 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 433 trivial. 0 not checked. [2020-10-12 21:07:14,998 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1719257770] [2020-10-12 21:07:14,998 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:07:14,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:07:14,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696169382] [2020-10-12 21:07:14,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:07:14,999 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:07:15,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:07:15,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:07:15,000 INFO L87 Difference]: Start difference. First operand 9125 states and 10061 transitions. Second operand 13 states. [2020-10-12 21:07:19,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:07:19,714 INFO L93 Difference]: Finished difference Result 25699 states and 28835 transitions. [2020-10-12 21:07:19,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-12 21:07:19,715 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 362 [2020-10-12 21:07:19,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:07:19,764 INFO L225 Difference]: With dead ends: 25699 [2020-10-12 21:07:19,764 INFO L226 Difference]: Without dead ends: 16650 [2020-10-12 21:07:19,782 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=198, Invalid=614, Unknown=0, NotChecked=0, Total=812 [2020-10-12 21:07:19,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16650 states. [2020-10-12 21:07:20,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16650 to 11123. [2020-10-12 21:07:20,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11123 states. [2020-10-12 21:07:20,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11123 states to 11123 states and 12370 transitions. [2020-10-12 21:07:20,664 INFO L78 Accepts]: Start accepts. Automaton has 11123 states and 12370 transitions. Word has length 362 [2020-10-12 21:07:20,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:07:20,664 INFO L479 AbstractCegarLoop]: Abstraction has 11123 states and 12370 transitions. [2020-10-12 21:07:20,664 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:07:20,665 INFO L276 IsEmpty]: Start isEmpty. Operand 11123 states and 12370 transitions. [2020-10-12 21:07:20,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2020-10-12 21:07:20,672 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:07:20,672 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-10-12 21:07:20,673 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-12 21:07:20,673 INFO L427 AbstractCegarLoop]: === Iteration 19 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:07:20,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:07:20,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1618532605, now seen corresponding path program 1 times [2020-10-12 21:07:20,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:07:20,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [95388843] [2020-10-12 21:07:20,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:07:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:20,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:20,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:20,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:20,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:20,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:21,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:21,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:21,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:21,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:21,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:21,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:21,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:21,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:22,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:22,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking...