/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/transmitter.09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 15:52:30,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 15:52:30,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 15:52:30,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 15:52:30,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 15:52:30,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 15:52:30,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 15:52:30,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 15:52:30,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 15:52:30,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 15:52:30,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 15:52:30,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 15:52:30,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 15:52:30,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 15:52:30,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 15:52:30,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 15:52:30,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 15:52:30,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 15:52:30,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 15:52:30,730 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 15:52:30,732 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 15:52:30,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 15:52:30,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 15:52:30,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 15:52:30,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 15:52:30,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 15:52:30,741 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 15:52:30,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 15:52:30,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 15:52:30,745 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 15:52:30,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 15:52:30,746 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 15:52:30,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 15:52:30,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 15:52:30,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 15:52:30,750 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 15:52:30,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 15:52:30,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 15:52:30,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 15:52:30,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 15:52:30,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 15:52:30,754 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 15:52:30,801 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 15:52:30,801 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 15:52:30,802 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 15:52:30,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 15:52:30,803 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 15:52:30,803 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 15:52:30,803 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 15:52:30,803 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 15:52:30,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 15:52:30,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 15:52:30,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 15:52:30,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 15:52:30,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 15:52:30,809 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 15:52:30,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 15:52:30,810 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 15:52:30,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 15:52:30,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 15:52:30,810 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 15:52:30,810 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 15:52:30,810 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 15:52:30,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 15:52:30,811 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 15:52:30,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 15:52:30,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 15:52:30,815 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 15:52:30,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 15:52:30,816 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 15:52:30,816 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 15:52:30,816 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 15:52:31,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 15:52:31,105 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 15:52:31,110 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 15:52:31,112 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 15:52:31,112 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 15:52:31,113 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.09.cil.c [2020-10-13 15:52:31,170 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/576456af9/53e70b9e5e654cd49a0592a1374fb253/FLAGbc28add43 [2020-10-13 15:52:31,617 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 15:52:31,618 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.09.cil.c [2020-10-13 15:52:31,634 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/576456af9/53e70b9e5e654cd49a0592a1374fb253/FLAGbc28add43 [2020-10-13 15:52:32,005 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/576456af9/53e70b9e5e654cd49a0592a1374fb253 [2020-10-13 15:52:32,015 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 15:52:32,016 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 15:52:32,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 15:52:32,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 15:52:32,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 15:52:32,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:52:32" (1/1) ... [2020-10-13 15:52:32,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11cafb76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:32, skipping insertion in model container [2020-10-13 15:52:32,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:52:32" (1/1) ... [2020-10-13 15:52:32,032 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 15:52:32,093 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 15:52:32,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 15:52:32,428 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 15:52:32,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 15:52:32,626 INFO L208 MainTranslator]: Completed translation [2020-10-13 15:52:32,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:32 WrapperNode [2020-10-13 15:52:32,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 15:52:32,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 15:52:32,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 15:52:32,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 15:52:32,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:32" (1/1) ... [2020-10-13 15:52:32,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:32" (1/1) ... [2020-10-13 15:52:32,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:32" (1/1) ... [2020-10-13 15:52:32,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:32" (1/1) ... [2020-10-13 15:52:32,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:32" (1/1) ... [2020-10-13 15:52:32,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:32" (1/1) ... [2020-10-13 15:52:32,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:32" (1/1) ... [2020-10-13 15:52:32,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 15:52:32,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 15:52:32,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 15:52:32,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 15:52:32,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:32" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 15:52:32,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 15:52:32,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 15:52:32,793 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-13 15:52:32,793 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-13 15:52:32,794 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-13 15:52:32,794 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-13 15:52:32,794 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-13 15:52:32,795 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-13 15:52:32,795 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-13 15:52:32,795 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-13 15:52:32,796 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-13 15:52:32,796 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-13 15:52:32,796 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-13 15:52:32,796 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-13 15:52:32,796 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-13 15:52:32,797 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-13 15:52:32,797 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-13 15:52:32,797 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-13 15:52:32,797 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-13 15:52:32,798 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-13 15:52:32,798 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-13 15:52:32,798 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-13 15:52:32,798 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-13 15:52:32,799 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-13 15:52:32,799 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-13 15:52:32,799 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-13 15:52:32,800 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-13 15:52:32,800 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-13 15:52:32,800 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-13 15:52:32,800 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-13 15:52:32,800 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-13 15:52:32,800 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-13 15:52:32,801 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-13 15:52:32,801 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-13 15:52:32,801 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-13 15:52:32,801 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-13 15:52:32,801 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 15:52:32,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 15:52:32,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 15:52:32,802 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-13 15:52:32,802 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-13 15:52:32,802 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-13 15:52:32,802 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-13 15:52:32,802 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-13 15:52:32,802 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-13 15:52:32,803 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-13 15:52:32,803 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-13 15:52:32,803 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-13 15:52:32,803 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-13 15:52:32,803 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-13 15:52:32,804 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-13 15:52:32,804 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-13 15:52:32,804 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-13 15:52:32,804 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-13 15:52:32,804 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-13 15:52:32,805 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-13 15:52:32,805 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-13 15:52:32,805 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-13 15:52:32,805 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-13 15:52:32,805 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-13 15:52:32,805 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-13 15:52:32,805 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-13 15:52:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-13 15:52:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-13 15:52:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-13 15:52:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-13 15:52:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-13 15:52:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-13 15:52:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-13 15:52:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-13 15:52:32,808 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-13 15:52:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-13 15:52:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-13 15:52:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 15:52:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 15:52:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 15:52:33,814 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 15:52:33,815 INFO L295 CfgBuilder]: Removed 13 assume(true) statements. [2020-10-13 15:52:33,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:52:33 BoogieIcfgContainer [2020-10-13 15:52:33,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 15:52:33,823 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 15:52:33,824 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 15:52:33,827 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 15:52:33,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:52:32" (1/3) ... [2020-10-13 15:52:33,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cb1d0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:52:33, skipping insertion in model container [2020-10-13 15:52:33,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:32" (2/3) ... [2020-10-13 15:52:33,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cb1d0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:52:33, skipping insertion in model container [2020-10-13 15:52:33,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:52:33" (3/3) ... [2020-10-13 15:52:33,831 INFO L109 eAbstractionObserver]: Analyzing ICFG transmitter.09.cil.c [2020-10-13 15:52:33,841 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 15:52:33,849 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 15:52:33,863 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 15:52:33,889 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 15:52:33,890 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 15:52:33,890 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 15:52:33,890 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 15:52:33,890 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 15:52:33,891 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 15:52:33,891 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 15:52:33,891 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 15:52:33,917 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states. [2020-10-13 15:52:33,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-13 15:52:33,938 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:52:33,939 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:52:33,939 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:52:33,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:52:33,946 INFO L82 PathProgramCache]: Analyzing trace with hash -1492387944, now seen corresponding path program 1 times [2020-10-13 15:52:33,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:52:33,956 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2107271692] [2020-10-13 15:52:33,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:52:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:34,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:34,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:34,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:34,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:34,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:35,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:35,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-13 15:52:39,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 15:52:39,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-13 15:52:39,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:52:39,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 141 [2020-10-13 15:52:39,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:52:39,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 15:52:39,702 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 15:52:39,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:52:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:39,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 15:52:39,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:39,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:39,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:39,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 15:52:39,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:52:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:39,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:52:39,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:39,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:39,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:39,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:39,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:52:39,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:52:39,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:52:39,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:39,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:39,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:39,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:39,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:52:39,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 15:52:39,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:52:39,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:39,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:39,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:39,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:39,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:52:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 15:52:39,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:52:39,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:39,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:39,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:39,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:39,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 15:52:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:40,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:40,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:40,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:40,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:40,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:40,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:44,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:44,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 15:52:44,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 15:52:44,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 15:52:44,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:44,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:52:44,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 15:52:44,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:52:44,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:45,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:52:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:45,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:45,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:45,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:45,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:45,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:45,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:45,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:45,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:45,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:45,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 15:52:45,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:52:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:45,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:45,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:45,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:45,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:45,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:45,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:45,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:45,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:45,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:45,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:45,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:52:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:45,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:45,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:45,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:45,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:45,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:52:45,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:45,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:45,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:45,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:45,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:45,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:52:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:45,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:45,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:45,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:45,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:45,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:52:45,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:45,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:45,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:45,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:45,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:45,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:52:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:45,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:45,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:45,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:45,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:45,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:52:45,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:45,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:52:45,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:45,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:52:45,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:45,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:52:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:45,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:45,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:45,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:45,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:45,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:52:45,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:45,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:45,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:52:45,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:45,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:45,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:52:45,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:45,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:45,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:45,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:45,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:45,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:45,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:45,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:45,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:52:45,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:45,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:45,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:52:45,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:45,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:45,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:45,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:45,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:45,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:52:45,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:45,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:45,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:52:45,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:45,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:45,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:52:45,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:45,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:45,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:45,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:45,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:45,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:52:45,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:45,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:45,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:52:45,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:45,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:45,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:52:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:45,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:45,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:45,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:45,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:45,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:45,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:45,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:45,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:52:45,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:45,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:45,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-13 15:52:45,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:45,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:45,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:45,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 15:52:45,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:45,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:52:45,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:45,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:45,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 15:52:45,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:45,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:45,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-13 15:52:45,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:45,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:45,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:45,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:52:45,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:45,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:45,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:45,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:45,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:52:45,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:45,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:45,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:52:45,298 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2107271692] [2020-10-13 15:52:45,299 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:52:45,300 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:52:45,300 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967804930] [2020-10-13 15:52:45,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:52:45,308 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:52:45,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:52:45,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:52:45,324 INFO L87 Difference]: Start difference. First operand 379 states. Second operand 10 states. [2020-10-13 15:52:46,816 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-13 15:52:46,996 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-13 15:52:47,151 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-13 15:52:47,413 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-13 15:52:51,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:52:51,894 INFO L93 Difference]: Finished difference Result 991 states and 1627 transitions. [2020-10-13 15:52:51,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 15:52:51,896 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 195 [2020-10-13 15:52:51,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:52:51,919 INFO L225 Difference]: With dead ends: 991 [2020-10-13 15:52:51,920 INFO L226 Difference]: Without dead ends: 628 [2020-10-13 15:52:51,929 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:52:51,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2020-10-13 15:52:52,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 375. [2020-10-13 15:52:52,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-10-13 15:52:52,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 540 transitions. [2020-10-13 15:52:52,069 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 540 transitions. Word has length 195 [2020-10-13 15:52:52,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:52:52,070 INFO L479 AbstractCegarLoop]: Abstraction has 375 states and 540 transitions. [2020-10-13 15:52:52,070 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:52:52,070 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 540 transitions. [2020-10-13 15:52:52,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-13 15:52:52,076 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:52:52,076 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:52:52,077 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 15:52:52,077 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:52:52,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:52:52,077 INFO L82 PathProgramCache]: Analyzing trace with hash -461347046, now seen corresponding path program 1 times [2020-10-13 15:52:52,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:52:52,078 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2007221650] [2020-10-13 15:52:52,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:52:52,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:52,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:52,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:52,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:52,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:52,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:52,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:55,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:57,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:57,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-13 15:52:57,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 15:52:57,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 15:52:57,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:57,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:52:57,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-13 15:52:57,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:52:57,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:57,311 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 15:52:57,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:52:57,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:57,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:57,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:57,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:57,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:57,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:52:57,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:57,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:57,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:57,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:57,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:57,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:52:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:57,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:57,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:57,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:57,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:57,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:52:57,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:57,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:57,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:57,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:57,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:57,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:52:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:57,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:57,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:57,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:52:57,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:57,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:57,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:57,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:57,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:57,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:57,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:57,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:52:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:57,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:57,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:57,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 15:52:57,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:57,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:52:57,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:57,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:57,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:57,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:57,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:57,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:52:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:57,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:57,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:57,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 15:52:57,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:57,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:52:57,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:57,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:57,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:57,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:57,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:57,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 15:52:57,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:57,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:57,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:57,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:57,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:58,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:02,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:02,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 15:53:02,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 15:53:02,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 15:53:02,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:02,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:53:02,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:53:02,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:53:02,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:02,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:53:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:02,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:02,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:02,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:02,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:02,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:02,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:02,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:02,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:02,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:02,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:02,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:53:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:02,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:02,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:02,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:02,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:02,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:53:02,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:02,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:02,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:02,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:02,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:02,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:53:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:02,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:02,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:02,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:02,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:02,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:53:02,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:02,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:53:02,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:02,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:53:02,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:02,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:53:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:02,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:02,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:02,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:02,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:02,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:02,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:02,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:02,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:02,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:02,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:02,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:53:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:02,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:02,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:02,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:02,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:02,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:02,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:02,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:02,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:02,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:02,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:02,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:53:02,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:02,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:02,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:02,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:02,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:02,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:02,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:02,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:02,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:02,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:02,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:02,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:53:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:02,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:02,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:02,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:02,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:02,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:02,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:02,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:02,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:02,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:02,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:02,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:53:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:02,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:02,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:02,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:02,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:02,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:02,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:02,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:02,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:02,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:02,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:02,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:53:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:02,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:02,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:02,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:02,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:02,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:02,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:02,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:02,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:02,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:02,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:02,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:53:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:02,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:02,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:02,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:02,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:02,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:02,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:02,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:02,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:02,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:02,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:02,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-13 15:53:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:02,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:02,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:02,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 15:53:02,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:02,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:53:02,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:02,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:02,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 15:53:02,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:02,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:02,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-13 15:53:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:02,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:02,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:02,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:02,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:02,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:02,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:02,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:02,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:53:02,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:02,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:02,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:53:02,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2007221650] [2020-10-13 15:53:02,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:53:02,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:53:02,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704178268] [2020-10-13 15:53:02,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:53:02,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:53:02,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:53:02,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:53:02,688 INFO L87 Difference]: Start difference. First operand 375 states and 540 transitions. Second operand 10 states. [2020-10-13 15:53:03,831 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-13 15:53:03,988 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-13 15:53:04,151 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-13 15:53:04,425 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-13 15:53:08,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:53:08,856 INFO L93 Difference]: Finished difference Result 990 states and 1532 transitions. [2020-10-13 15:53:08,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:53:08,857 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 195 [2020-10-13 15:53:08,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:53:08,864 INFO L225 Difference]: With dead ends: 990 [2020-10-13 15:53:08,864 INFO L226 Difference]: Without dead ends: 643 [2020-10-13 15:53:08,867 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:53:08,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2020-10-13 15:53:08,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 380. [2020-10-13 15:53:08,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2020-10-13 15:53:08,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 545 transitions. [2020-10-13 15:53:08,927 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 545 transitions. Word has length 195 [2020-10-13 15:53:08,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:53:08,928 INFO L479 AbstractCegarLoop]: Abstraction has 380 states and 545 transitions. [2020-10-13 15:53:08,928 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:53:08,928 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 545 transitions. [2020-10-13 15:53:08,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-13 15:53:08,931 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:53:08,932 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:53:08,932 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 15:53:08,932 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:53:08,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:53:08,932 INFO L82 PathProgramCache]: Analyzing trace with hash 2111617564, now seen corresponding path program 1 times [2020-10-13 15:53:08,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:53:08,933 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [696577440] [2020-10-13 15:53:08,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:53:08,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:08,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:09,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:09,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:09,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:09,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:09,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:13,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:13,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-13 15:53:13,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 15:53:13,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 15:53:13,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:13,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:53:13,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-13 15:53:13,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:53:13,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:14,169 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 15:53:14,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:53:14,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:14,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:14,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:14,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:53:14,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:14,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:53:14,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:14,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:14,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:14,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:14,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:53:14,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:53:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:14,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:14,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:14,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:53:14,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:14,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:14,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:14,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:14,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:14,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:14,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:14,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:53:14,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:14,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:14,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:14,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:53:14,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:14,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:14,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:14,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:14,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:14,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:14,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:53:14,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:53:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:14,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:14,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:14,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 15:53:14,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:14,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:53:14,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:14,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:14,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:14,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:14,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:53:14,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:53:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:14,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:14,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:14,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 15:53:14,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:14,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:53:14,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:14,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:14,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:14,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:14,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:53:14,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 15:53:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:14,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:14,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:14,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:14,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:16,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:19,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:19,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 15:53:19,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 15:53:19,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 15:53:19,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:19,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:53:19,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 15:53:19,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:53:19,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:19,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:53:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:19,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:19,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:19,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:19,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:19,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:19,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:19,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:19,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:19,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:19,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:19,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:53:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:19,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:19,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:19,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:19,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:19,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:53:19,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:19,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:53:19,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:19,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:53:19,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:19,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:53:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:19,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:19,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:19,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:19,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:19,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:19,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:19,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:19,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:19,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:19,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:19,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:53:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:19,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:19,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:19,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:19,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:19,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:19,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:19,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:19,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:19,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:19,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:19,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:53:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:19,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:19,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:19,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:19,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:19,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:19,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:19,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:19,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:19,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:19,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:19,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:53:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:19,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:19,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:19,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:19,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:19,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:19,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:19,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:19,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:19,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:19,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:19,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:53:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:19,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:19,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:19,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:19,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:19,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:19,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:19,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:19,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:19,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:19,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:19,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:53:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:19,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:19,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:19,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:19,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:19,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:19,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:19,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:19,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:19,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:19,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:19,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:53:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:19,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:19,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:19,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:19,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:19,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:19,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:19,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:19,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:19,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:19,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:19,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:53:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:19,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:19,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:19,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:19,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:19,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:19,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:19,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:19,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:19,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:19,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:19,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-13 15:53:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:19,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:19,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:19,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 15:53:19,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:19,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:53:19,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:19,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:19,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 15:53:19,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:19,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:19,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-13 15:53:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:19,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:19,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:19,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:19,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:19,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:19,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:19,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:19,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:53:19,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:19,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:53:19,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:53:19,614 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [696577440] [2020-10-13 15:53:19,614 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:53:19,614 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:53:19,615 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466450889] [2020-10-13 15:53:19,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:53:19,616 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:53:19,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:53:19,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:53:19,617 INFO L87 Difference]: Start difference. First operand 380 states and 545 transitions. Second operand 10 states. [2020-10-13 15:53:20,688 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-13 15:53:20,850 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-13 15:53:21,103 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-13 15:53:21,348 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-13 15:53:25,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:53:25,774 INFO L93 Difference]: Finished difference Result 1007 states and 1553 transitions. [2020-10-13 15:53:25,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:53:25,775 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 195 [2020-10-13 15:53:25,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:53:25,781 INFO L225 Difference]: With dead ends: 1007 [2020-10-13 15:53:25,781 INFO L226 Difference]: Without dead ends: 655 [2020-10-13 15:53:25,783 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:53:25,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2020-10-13 15:53:25,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 385. [2020-10-13 15:53:25,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2020-10-13 15:53:25,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 550 transitions. [2020-10-13 15:53:25,846 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 550 transitions. Word has length 195 [2020-10-13 15:53:25,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:53:25,847 INFO L479 AbstractCegarLoop]: Abstraction has 385 states and 550 transitions. [2020-10-13 15:53:25,847 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:53:25,847 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 550 transitions. [2020-10-13 15:53:25,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-13 15:53:25,850 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:53:25,850 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:53:25,850 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 15:53:25,850 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:53:25,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:53:25,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1681959258, now seen corresponding path program 1 times [2020-10-13 15:53:25,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:53:25,851 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [262578790] [2020-10-13 15:53:25,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:53:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:25,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:25,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:25,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:25,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:27,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:27,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:27,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:27,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:27,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:28,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:28,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:28,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:28,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:28,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:28,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:28,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:28,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:28,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:28,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:28,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:28,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:28,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:28,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:30,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:30,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-13 15:53:30,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-13 15:53:30,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-13 15:53:30,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:30,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:53:30,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 174 [2020-10-13 15:53:30,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:53:30,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:31,039 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 15:53:31,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:53:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:31,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:31,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:31,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:53:31,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:31,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:53:31,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:31,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:31,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:31,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:31,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:31,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:53:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:31,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:31,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:31,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:53:31,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:31,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:31,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:31,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:31,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:31,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:31,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:31,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:53:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:31,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:31,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:31,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:53:31,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:31,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:31,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:31,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:31,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:31,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:31,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:31,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:53:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:31,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:31,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:31,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 15:53:31,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:31,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:53:31,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:31,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:31,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:31,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:31,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:31,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:53:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:31,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:31,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:31,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 15:53:31,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:31,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:53:31,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:31,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:31,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:31,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:31,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:31,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 15:53:31,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:31,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:31,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:31,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:31,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:33,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:33,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 15:53:33,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 15:53:33,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2165 [2020-10-13 15:53:33,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:33,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:53:33,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-13 15:53:33,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:53:33,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:33,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:53:33,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:33,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:33,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:33,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:33,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:33,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:33,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:33,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:33,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:33,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:33,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:33,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:53:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:33,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:33,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:33,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:33,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:33,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:33,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:33,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:33,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:33,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:33,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:33,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:53:33,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:33,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:33,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:33,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:33,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:33,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:33,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:33,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:33,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:33,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:33,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:33,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:53:33,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:33,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:33,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:33,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:33,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:33,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:33,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:33,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:33,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:33,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:33,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:33,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:53:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:33,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:33,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:33,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:33,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:33,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:33,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:33,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:33,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:33,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:33,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:33,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:53:33,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:33,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:33,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:33,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:33,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:33,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:33,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:33,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:33,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:33,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:33,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:33,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:53:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:33,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:33,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:33,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:33,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:33,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:33,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:33,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:33,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:33,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:33,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:33,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:53:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:33,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:33,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:33,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:33,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:33,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:33,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:33,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:33,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:33,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:33,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:33,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:53:33,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:33,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:33,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:33,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:33,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:33,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:53:33,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:33,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:53:33,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:33,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:53:33,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:33,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:53:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:33,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:33,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:33,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:33,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:33,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:33,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:33,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:33,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:33,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:33,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:33,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-13 15:53:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:33,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:33,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:33,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 15:53:33,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:33,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:53:33,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:33,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:33,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 15:53:33,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:33,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:33,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-13 15:53:33,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:33,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:33,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:33,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:33,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:33,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:33,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:33,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:33,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:53:33,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:33,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:33,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:53:33,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [262578790] [2020-10-13 15:53:33,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:53:33,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:53:33,535 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789788224] [2020-10-13 15:53:33,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:53:33,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:53:33,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:53:33,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:53:33,537 INFO L87 Difference]: Start difference. First operand 385 states and 550 transitions. Second operand 10 states. [2020-10-13 15:53:35,192 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-13 15:53:35,363 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-13 15:53:35,616 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-13 15:53:35,852 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-13 15:53:39,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:53:39,571 INFO L93 Difference]: Finished difference Result 994 states and 1525 transitions. [2020-10-13 15:53:39,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:53:39,572 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 195 [2020-10-13 15:53:39,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:53:39,578 INFO L225 Difference]: With dead ends: 994 [2020-10-13 15:53:39,578 INFO L226 Difference]: Without dead ends: 637 [2020-10-13 15:53:39,580 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:53:39,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2020-10-13 15:53:39,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 390. [2020-10-13 15:53:39,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2020-10-13 15:53:39,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 555 transitions. [2020-10-13 15:53:39,638 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 555 transitions. Word has length 195 [2020-10-13 15:53:39,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:53:39,638 INFO L479 AbstractCegarLoop]: Abstraction has 390 states and 555 transitions. [2020-10-13 15:53:39,638 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:53:39,639 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 555 transitions. [2020-10-13 15:53:39,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-13 15:53:39,641 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:53:39,642 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:53:39,642 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 15:53:39,642 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:53:39,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:53:39,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1264562652, now seen corresponding path program 1 times [2020-10-13 15:53:39,643 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:53:39,643 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1927668209] [2020-10-13 15:53:39,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:53:39,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:39,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:39,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:39,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:39,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:41,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:41,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:41,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:41,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:41,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:41,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:44,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:44,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-13 15:53:44,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-13 15:53:44,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 15:53:44,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:44,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:53:44,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 174 [2020-10-13 15:53:44,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:53:44,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:44,816 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 15:53:44,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:53:44,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:44,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:44,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:44,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:53:44,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:44,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:53:44,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:44,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:44,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:44,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:44,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:44,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:53:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:44,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:44,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:44,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:53:44,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:44,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:44,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:44,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:44,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:44,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:44,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:44,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:53:44,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:44,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:44,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:44,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:53:44,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:44,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:44,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:44,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:44,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:44,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:44,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:44,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:53:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:44,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:44,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:44,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 15:53:44,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:44,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:44,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:44,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:44,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:44,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:44,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:44,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:53:44,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:44,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:44,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:44,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 15:53:44,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:44,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:53:44,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:44,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:44,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:44,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:44,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:44,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 15:53:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:44,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:44,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 15:53:45,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 15:53:45,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 376 [2020-10-13 15:53:45,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:53:45,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:45,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:53:45,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:53:45,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:53:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:45,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:45,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:53:45,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:45,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:53:45,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:53:45,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:45,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:45,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:45,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:45,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:45,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:53:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:45,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:45,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:45,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:45,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:45,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:53:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:45,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:45,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:45,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:45,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:45,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:53:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:45,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:45,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:45,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:45,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:45,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:53:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:45,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:45,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:45,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:45,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:45,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:53:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:45,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:45,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:45,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:45,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:45,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:53:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:45,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:45,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:45,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:45,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:45,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:53:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:45,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:45,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:45,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:45,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:45,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:53:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:45,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:45,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:45,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:45,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:45,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-13 15:53:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 15:53:45,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:53:45,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:45,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 15:53:45,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:45,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-13 15:53:45,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:45,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:45,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:45,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:53:45,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:45,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:53:45,468 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1927668209] [2020-10-13 15:53:45,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:53:45,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:53:45,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142045295] [2020-10-13 15:53:45,473 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:53:45,473 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:53:45,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:53:45,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:53:45,474 INFO L87 Difference]: Start difference. First operand 390 states and 555 transitions. Second operand 10 states. [2020-10-13 15:53:46,354 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-13 15:53:46,513 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-13 15:53:46,670 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-13 15:53:46,830 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-13 15:53:50,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:53:50,693 INFO L93 Difference]: Finished difference Result 1031 states and 1578 transitions. [2020-10-13 15:53:50,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 15:53:50,694 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 195 [2020-10-13 15:53:50,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:53:50,699 INFO L225 Difference]: With dead ends: 1031 [2020-10-13 15:53:50,699 INFO L226 Difference]: Without dead ends: 669 [2020-10-13 15:53:50,702 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2020-10-13 15:53:50,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2020-10-13 15:53:50,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 395. [2020-10-13 15:53:50,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2020-10-13 15:53:50,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 560 transitions. [2020-10-13 15:53:50,759 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 560 transitions. Word has length 195 [2020-10-13 15:53:50,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:53:50,759 INFO L479 AbstractCegarLoop]: Abstraction has 395 states and 560 transitions. [2020-10-13 15:53:50,759 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:53:50,759 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 560 transitions. [2020-10-13 15:53:50,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-13 15:53:50,762 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:53:50,762 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:53:50,762 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 15:53:50,763 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:53:50,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:53:50,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1631451042, now seen corresponding path program 1 times [2020-10-13 15:53:50,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:53:50,763 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [560090451] [2020-10-13 15:53:50,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:53:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:50,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:50,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:50,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:50,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:51,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:51,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:51,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:51,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:51,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:51,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:51,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:51,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:51,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:51,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:51,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:51,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:51,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:51,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:51,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:51,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:51,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:51,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:55,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:55,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-13 15:53:55,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-13 15:53:55,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 15:53:55,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:55,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:53:55,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 141 [2020-10-13 15:53:55,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:53:55,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:55,939 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 15:53:55,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:53:55,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:55,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:55,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:55,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:53:55,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:55,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:53:55,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:55,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:55,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:55,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:55,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:55,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:53:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:55,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:55,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:55,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:53:55,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:55,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:55,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:55,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:55,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:55,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:55,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:55,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:53:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:55,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:55,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:55,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:53:55,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:55,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:55,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:55,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:55,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:55,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:55,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:56,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:53:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:56,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:56,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:56,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 15:53:56,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:56,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:56,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:56,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:56,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:56,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:56,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:56,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:53:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:56,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:56,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:56,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 15:53:56,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:56,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:53:56,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:56,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:56,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:56,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:56,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:56,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 15:53:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:56,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:56,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:56,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:56,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 15:53:56,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 15:53:56,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-13 15:53:56,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:56,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:53:56,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-13 15:53:56,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:53:56,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:56,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:53:56,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:56,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:56,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:56,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:56,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:56,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:56,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:56,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:56,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:56,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:56,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:56,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:53:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:56,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:56,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:56,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:56,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:56,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:56,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:56,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:56,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:56,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:56,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:56,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:53:56,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:56,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:56,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:56,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:56,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:56,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:56,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:56,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:56,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:56,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:56,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:56,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:53:56,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:56,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:56,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:56,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:56,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:56,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:56,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:56,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:56,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:56,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:56,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:56,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:53:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:56,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:56,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:56,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:56,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:56,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:56,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:56,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:56,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:56,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:56,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:56,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:53:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:56,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:56,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:56,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:56,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:56,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:56,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:56,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:56,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:56,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:56,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:56,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:53:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:56,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:56,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:56,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:56,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:56,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:56,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:56,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:53:56,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:56,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:53:56,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:56,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:53:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:56,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:56,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:56,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:56,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:56,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:56,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:56,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:56,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:56,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:56,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:56,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:53:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:56,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:56,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:56,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:56,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:56,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:56,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:56,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:56,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:56,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:56,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:56,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:53:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:56,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:56,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:56,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:56,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:56,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:56,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:56,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:56,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:56,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:56,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:56,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-13 15:53:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:56,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:56,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:56,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 15:53:56,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:56,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:53:56,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:56,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:56,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 15:53:56,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:56,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:56,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-13 15:53:56,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:56,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:56,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:56,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:56,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:56,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:56,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:56,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:56,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:53:56,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:56,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:56,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:53:56,309 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [560090451] [2020-10-13 15:53:56,309 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:53:56,310 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:53:56,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875167319] [2020-10-13 15:53:56,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:53:56,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:53:56,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:53:56,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:53:56,311 INFO L87 Difference]: Start difference. First operand 395 states and 560 transitions. Second operand 10 states. [2020-10-13 15:53:57,824 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-13 15:53:57,989 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-13 15:53:58,263 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-13 15:53:58,506 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-13 15:54:02,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:54:02,407 INFO L93 Difference]: Finished difference Result 1024 states and 1561 transitions. [2020-10-13 15:54:02,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:54:02,408 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 195 [2020-10-13 15:54:02,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:54:02,413 INFO L225 Difference]: With dead ends: 1024 [2020-10-13 15:54:02,413 INFO L226 Difference]: Without dead ends: 657 [2020-10-13 15:54:02,416 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:54:02,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2020-10-13 15:54:02,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 400. [2020-10-13 15:54:02,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2020-10-13 15:54:02,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 565 transitions. [2020-10-13 15:54:02,476 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 565 transitions. Word has length 195 [2020-10-13 15:54:02,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:54:02,477 INFO L479 AbstractCegarLoop]: Abstraction has 400 states and 565 transitions. [2020-10-13 15:54:02,477 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:54:02,478 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 565 transitions. [2020-10-13 15:54:02,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-13 15:54:02,480 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:54:02,480 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:54:02,481 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 15:54:02,481 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:54:02,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:54:02,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1605678176, now seen corresponding path program 1 times [2020-10-13 15:54:02,481 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:54:02,486 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2124258724] [2020-10-13 15:54:02,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:54:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:02,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:02,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:02,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:02,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:02,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:02,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:02,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:02,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:02,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:02,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:02,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:02,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:02,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:03,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:03,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:03,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:03,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:03,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:03,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:03,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:03,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:07,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:07,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-13 15:54:07,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-13 15:54:07,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-13 15:54:07,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:07,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:54:07,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 174 [2020-10-13 15:54:07,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:54:07,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:07,658 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 15:54:07,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:54:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:07,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:07,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:07,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:54:07,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:07,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:54:07,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:07,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:07,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:07,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:07,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:07,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:54:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:07,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:07,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:07,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:54:07,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:07,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:07,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:07,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:07,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:07,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:07,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:07,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:54:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:07,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:07,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:07,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:54:07,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:07,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:07,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:07,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:07,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:07,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:07,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:07,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:54:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:07,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:07,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:07,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 15:54:07,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:07,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:54:07,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:07,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:07,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:07,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:07,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:07,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:54:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:07,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:07,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:07,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 15:54:07,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:07,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:54:07,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:07,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:07,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:07,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:07,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:07,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 15:54:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:07,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:07,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:07,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 15:54:07,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:07,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 15:54:07,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:07,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:54:07,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-10-13 15:54:07,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:54:07,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:07,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:54:07,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:07,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:07,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:07,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:07,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:07,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:07,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:07,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:07,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:07,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:07,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:07,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:54:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:07,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:07,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:07,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:07,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:07,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:07,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:07,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:07,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:07,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:07,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:07,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:54:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:07,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:07,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:07,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:07,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:07,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:07,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:07,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:07,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:07,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:07,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:07,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:54:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:07,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:07,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:07,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:07,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:07,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:07,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:07,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:07,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:07,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:07,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:07,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:54:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:07,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:07,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:07,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:07,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:07,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:07,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:07,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:07,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:07,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:07,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:07,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:54:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:07,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:07,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:07,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:07,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:07,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:07,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:07,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:07,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:07,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:07,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:07,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:54:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:07,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:07,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:07,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:07,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:07,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:07,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:07,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:07,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:07,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:07,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:07,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:54:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:07,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:07,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:07,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:07,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:07,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:07,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:07,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:07,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:07,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:07,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:07,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:54:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:07,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:07,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:07,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:07,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:07,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:07,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:07,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:07,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:07,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:07,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:07,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:54:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:07,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:07,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:07,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:07,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:07,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:54:07,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:07,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:54:07,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:07,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:54:07,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:07,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-13 15:54:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:07,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:07,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:07,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 15:54:07,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:07,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:54:07,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:07,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:07,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 15:54:07,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:07,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:07,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-13 15:54:07,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:07,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:07,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:07,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:54:07,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:07,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:07,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:07,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:07,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:54:07,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:07,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:07,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:54:07,936 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2124258724] [2020-10-13 15:54:07,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:54:07,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:54:07,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154784262] [2020-10-13 15:54:07,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:54:07,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:54:07,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:54:07,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:54:07,938 INFO L87 Difference]: Start difference. First operand 400 states and 565 transitions. Second operand 10 states. [2020-10-13 15:54:10,167 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-13 15:54:10,396 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-13 15:54:10,646 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-13 15:54:11,007 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-13 15:54:15,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:54:15,072 INFO L93 Difference]: Finished difference Result 1025 states and 1556 transitions. [2020-10-13 15:54:15,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:54:15,073 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 195 [2020-10-13 15:54:15,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:54:15,078 INFO L225 Difference]: With dead ends: 1025 [2020-10-13 15:54:15,078 INFO L226 Difference]: Without dead ends: 653 [2020-10-13 15:54:15,080 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:54:15,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2020-10-13 15:54:15,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 405. [2020-10-13 15:54:15,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-10-13 15:54:15,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 570 transitions. [2020-10-13 15:54:15,133 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 570 transitions. Word has length 195 [2020-10-13 15:54:15,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:54:15,134 INFO L479 AbstractCegarLoop]: Abstraction has 405 states and 570 transitions. [2020-10-13 15:54:15,134 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:54:15,134 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 570 transitions. [2020-10-13 15:54:15,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-13 15:54:15,136 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:54:15,136 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:54:15,136 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 15:54:15,136 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:54:15,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:54:15,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1813270114, now seen corresponding path program 1 times [2020-10-13 15:54:15,137 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:54:15,137 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [612455254] [2020-10-13 15:54:15,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:54:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:15,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:15,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:15,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:15,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:15,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:15,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:15,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:15,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:15,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:15,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:15,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:15,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:15,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:15,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:15,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:15,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:15,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:15,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:15,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:15,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:20,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:20,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-13 15:54:20,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-13 15:54:20,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 15:54:20,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:20,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:54:20,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 15:54:20,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 15:54:20,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:20,319 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 15:54:20,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:54:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:20,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:20,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:20,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:54:20,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:20,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:54:20,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:20,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:20,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:20,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:20,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:20,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:54:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:20,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:20,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:20,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:54:20,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:20,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:54:20,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:20,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:54:20,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:20,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:54:20,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:20,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:54:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:20,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:20,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:20,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:54:20,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:20,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:20,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:20,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:54:20,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:20,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:54:20,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:20,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:54:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:20,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:20,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:20,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 15:54:20,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:20,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:54:20,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:20,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:54:20,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:54:20,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:54:20,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:20,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:54:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:20,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:20,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:20,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 15:54:20,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:20,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:54:20,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:20,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:20,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 15:54:20,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:20,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:20,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 15:54:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:20,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:20,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:20,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 15:54:20,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:20,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 15:54:20,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:20,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:20,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-13 15:54:20,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:20,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:20,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:54:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:20,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:20,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:20,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:20,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:20,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:20,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:20,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:20,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:20,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:20,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:20,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:54:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:20,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:20,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:20,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:20,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:20,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:20,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:20,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:20,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:20,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:20,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:20,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:54:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:20,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:20,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:20,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:20,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:20,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:20,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:20,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:20,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:20,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:20,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:20,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:54:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:20,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:20,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:20,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:20,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:20,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:20,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:20,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:20,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:20,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:20,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:20,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:54:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:20,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:20,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:20,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:20,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:20,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:20,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:20,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:20,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:20,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:20,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:20,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:54:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:20,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:20,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:20,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:20,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:20,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:20,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:20,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:20,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:20,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:20,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:20,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:54:20,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:20,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:20,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:20,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:20,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:20,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:20,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:20,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:20,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:20,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:20,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:20,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:54:20,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:20,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:20,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:20,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:20,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:20,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:20,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:20,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:20,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:20,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:20,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:20,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:54:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:20,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:20,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:20,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:20,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:20,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:20,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:20,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:20,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:20,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:20,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:20,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:54:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:20,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:20,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:20,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:20,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:20,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:20,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:20,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:20,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:20,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:20,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:20,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-13 15:54:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:20,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:20,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:20,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 15:54:20,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:20,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:54:20,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:20,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:20,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 15:54:20,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:20,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:20,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-13 15:54:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:20,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:20,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:20,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:54:20,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:20,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:20,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:20,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:20,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:54:20,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:20,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:20,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:54:20,599 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [612455254] [2020-10-13 15:54:20,599 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:54:20,599 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 15:54:20,599 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783437821] [2020-10-13 15:54:20,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 15:54:20,600 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:54:20,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 15:54:20,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-13 15:54:20,600 INFO L87 Difference]: Start difference. First operand 405 states and 570 transitions. Second operand 8 states. [2020-10-13 15:54:20,757 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-13 15:54:21,006 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-13 15:54:25,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:54:25,210 INFO L93 Difference]: Finished difference Result 1035 states and 1529 transitions. [2020-10-13 15:54:25,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 15:54:25,211 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 195 [2020-10-13 15:54:25,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:54:25,215 INFO L225 Difference]: With dead ends: 1035 [2020-10-13 15:54:25,216 INFO L226 Difference]: Without dead ends: 651 [2020-10-13 15:54:25,217 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:54:25,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2020-10-13 15:54:25,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 405. [2020-10-13 15:54:25,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-10-13 15:54:25,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 569 transitions. [2020-10-13 15:54:25,285 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 569 transitions. Word has length 195 [2020-10-13 15:54:25,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:54:25,285 INFO L479 AbstractCegarLoop]: Abstraction has 405 states and 569 transitions. [2020-10-13 15:54:25,285 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 15:54:25,285 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 569 transitions. [2020-10-13 15:54:25,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-13 15:54:25,287 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:54:25,288 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:54:25,288 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 15:54:25,288 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:54:25,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:54:25,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1954303132, now seen corresponding path program 1 times [2020-10-13 15:54:25,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:54:25,289 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1051375121] [2020-10-13 15:54:25,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:54:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:25,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:25,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:25,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:25,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:25,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:25,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:25,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:25,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:25,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:25,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:25,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:25,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:25,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:25,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:25,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:25,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:25,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:25,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:25,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:30,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:30,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-13 15:54:30,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-13 15:54:30,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-13 15:54:30,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:30,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:54:30,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:54:30,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-13 15:54:30,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:30,460 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 15:54:30,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:54:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:30,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:30,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:30,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:54:30,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:30,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:54:30,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:30,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:54:30,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:30,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:54:30,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:30,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:54:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:30,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:30,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:30,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:54:30,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:30,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:54:30,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:30,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:54:30,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:30,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:54:30,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:30,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:54:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:30,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:30,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:30,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:54:30,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:30,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:30,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:30,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:54:30,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:30,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:54:30,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:30,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:54:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:30,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:30,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:30,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 15:54:30,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:30,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:54:30,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:30,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:54:30,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:30,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 15:54:30,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:30,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:54:30,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:30,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:30,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:30,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 15:54:30,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:30,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 15:54:30,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:30,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:54:30,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:54:30,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 15:54:30,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:30,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 15:54:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:30,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:30,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:30,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 15:54:30,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:30,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 15:54:30,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:30,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:30,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-13 15:54:30,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:30,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:30,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:54:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:30,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:30,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:30,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:30,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:30,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:30,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:30,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:30,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:30,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:30,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:30,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:54:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:30,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:30,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:30,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:30,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:30,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:30,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:30,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:30,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:30,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:30,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:30,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:54:30,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:30,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:30,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:30,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:30,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:30,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:30,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:30,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:30,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:30,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:30,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:30,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:54:30,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:30,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:30,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:30,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:30,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:30,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:30,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:30,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:30,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:30,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:30,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:30,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:54:30,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:30,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:30,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:30,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:30,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:30,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:30,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:30,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:30,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:30,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:30,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:30,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:54:30,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:30,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:30,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:30,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:30,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:30,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:30,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:30,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:30,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:30,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:30,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:30,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:54:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:30,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:30,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:30,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:30,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:30,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:30,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:30,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:30,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:30,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:30,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:30,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:54:30,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:30,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:30,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:30,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:30,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:30,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:30,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:30,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:30,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:30,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:30,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:30,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:54:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:30,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:30,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:30,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:30,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:30,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:30,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:30,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:30,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:30,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:30,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:30,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:54:30,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:30,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:30,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:30,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:30,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:30,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:30,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:30,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:30,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:30,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:30,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:30,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-13 15:54:30,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:30,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:30,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:30,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 15:54:30,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:30,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:54:30,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:30,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:30,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 15:54:30,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:30,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:30,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-13 15:54:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:30,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:30,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:30,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:54:30,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:30,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:30,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:30,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:30,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:54:30,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:30,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:30,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:54:30,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1051375121] [2020-10-13 15:54:30,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:54:30,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:54:30,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563531239] [2020-10-13 15:54:30,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:54:30,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:54:30,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:54:30,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:54:30,741 INFO L87 Difference]: Start difference. First operand 405 states and 569 transitions. Second operand 9 states. [2020-10-13 15:54:30,913 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-13 15:54:34,946 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-13 15:54:38,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:54:38,105 INFO L93 Difference]: Finished difference Result 1594 states and 2401 transitions. [2020-10-13 15:54:38,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:54:38,105 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 195 [2020-10-13 15:54:38,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:54:38,112 INFO L225 Difference]: With dead ends: 1594 [2020-10-13 15:54:38,112 INFO L226 Difference]: Without dead ends: 1216 [2020-10-13 15:54:38,114 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2020-10-13 15:54:38,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2020-10-13 15:54:38,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 786. [2020-10-13 15:54:38,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 786 states. [2020-10-13 15:54:38,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 1115 transitions. [2020-10-13 15:54:38,269 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 1115 transitions. Word has length 195 [2020-10-13 15:54:38,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:54:38,270 INFO L479 AbstractCegarLoop]: Abstraction has 786 states and 1115 transitions. [2020-10-13 15:54:38,270 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:54:38,270 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1115 transitions. [2020-10-13 15:54:38,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-13 15:54:38,273 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:54:38,273 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:54:38,273 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 15:54:38,273 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:54:38,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:54:38,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1982001688, now seen corresponding path program 1 times [2020-10-13 15:54:38,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:54:38,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1031719572] [2020-10-13 15:54:38,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:54:38,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:38,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:38,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:38,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:38,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:38,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:38,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:38,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:38,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:38,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:38,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:38,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:38,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:38,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:38,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:38,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:38,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:38,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:38,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:43,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:43,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-13 15:54:43,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-13 15:54:43,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 15:54:43,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:43,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:54:43,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:54:43,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 15:54:43,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:43,461 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 15:54:43,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:54:43,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:43,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:43,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:43,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:54:43,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:43,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:54:43,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:43,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:54:43,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:43,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:54:43,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:43,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:54:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:43,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:43,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:43,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:54:43,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:43,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:54:43,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:43,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:54:43,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:43,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:54:43,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:43,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:54:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:43,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:43,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:43,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:54:43,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:43,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:43,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:43,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:54:43,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:43,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:54:43,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:43,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:54:43,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:43,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:43,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:43,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 15:54:43,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:43,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:54:43,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:43,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:54:43,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:43,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 15:54:43,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:43,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:54:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:43,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:43,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:43,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 15:54:43,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:43,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:54:43,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:43,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:54:43,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:54:43,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 15:54:43,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:43,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 15:54:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:43,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:43,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:43,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 15:54:43,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:43,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:54:43,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:43,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:43,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-13 15:54:43,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:43,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:43,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:54:43,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:43,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:43,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:43,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:43,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:43,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:43,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:43,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:43,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:43,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:43,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:43,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:54:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:43,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:43,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:43,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:43,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:43,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:43,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:43,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:43,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:43,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:43,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:43,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:54:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:43,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:43,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:43,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:43,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:43,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:43,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:43,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:43,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:43,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:43,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:43,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:54:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:43,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:43,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:43,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:43,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:43,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:43,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:43,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:43,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:43,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:43,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:43,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:54:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:43,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:43,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:43,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:43,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:43,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:43,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:43,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:43,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:43,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:43,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:43,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:54:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:43,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:43,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:43,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:43,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:43,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:43,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:43,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:43,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:43,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:43,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:43,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:54:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:43,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:43,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:43,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:43,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:43,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:43,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:43,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:43,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:43,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:43,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:43,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:54:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:43,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:43,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:43,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:43,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:43,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:43,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:43,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:43,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:43,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:43,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:43,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:54:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:43,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:43,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:43,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:43,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:43,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:43,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:43,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:43,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:43,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:43,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:43,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:54:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:43,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:43,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:43,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:43,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:43,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:43,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:43,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:43,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:43,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:43,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:43,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-13 15:54:43,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:43,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:43,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:43,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 15:54:43,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:43,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:54:43,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:43,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:43,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 15:54:43,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:43,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:43,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-13 15:54:43,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:43,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:43,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:43,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:54:43,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:43,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:43,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:43,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:43,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:54:43,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:43,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:43,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:54:43,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1031719572] [2020-10-13 15:54:43,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:54:43,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:54:43,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933836171] [2020-10-13 15:54:43,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:54:43,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:54:43,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:54:43,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:54:43,715 INFO L87 Difference]: Start difference. First operand 786 states and 1115 transitions. Second operand 9 states. [2020-10-13 15:54:43,872 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-13 15:54:48,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:54:48,254 INFO L93 Difference]: Finished difference Result 1970 states and 2907 transitions. [2020-10-13 15:54:48,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:54:48,254 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 195 [2020-10-13 15:54:48,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:54:48,261 INFO L225 Difference]: With dead ends: 1970 [2020-10-13 15:54:48,261 INFO L226 Difference]: Without dead ends: 1211 [2020-10-13 15:54:48,265 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:54:48,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2020-10-13 15:54:48,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 786. [2020-10-13 15:54:48,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 786 states. [2020-10-13 15:54:48,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 1108 transitions. [2020-10-13 15:54:48,416 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 1108 transitions. Word has length 195 [2020-10-13 15:54:48,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:54:48,417 INFO L479 AbstractCegarLoop]: Abstraction has 786 states and 1108 transitions. [2020-10-13 15:54:48,417 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:54:48,417 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1108 transitions. [2020-10-13 15:54:48,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-13 15:54:48,420 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:54:48,420 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:54:48,420 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 15:54:48,420 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:54:48,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:54:48,421 INFO L82 PathProgramCache]: Analyzing trace with hash -2098411884, now seen corresponding path program 1 times [2020-10-13 15:54:48,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:54:48,421 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [763551213] [2020-10-13 15:54:48,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:54:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:48,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:48,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:48,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:48,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:49,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:49,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:49,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:49,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:49,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:49,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:49,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:49,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:49,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:49,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:49,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:49,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:49,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:52,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:52,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:53,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:53,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:53,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:53,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:53,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-13 15:54:53,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-13 15:54:53,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-13 15:54:53,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:53,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:54:53,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 217 [2020-10-13 15:54:53,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:54:53,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:53,633 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 15:54:53,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:54:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:53,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:53,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:53,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:54:53,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:53,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:54:53,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:53,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:53,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:53,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:53,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:53,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:54:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:53,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:53,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:53,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:54:53,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:53,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:53,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:53,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:53,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:53,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:53,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:53,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:54:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:53,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:53,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:53,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:54:53,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:53,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:53,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:53,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:53,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:53,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:53,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:53,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:54:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:53,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:53,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:53,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 15:54:53,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:53,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:54:53,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:53,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:53,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:53,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:53,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:53,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:54:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:53,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:53,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:53,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 15:54:53,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:53,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:54:53,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:53,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:53,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:53,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:53,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:53,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 15:54:53,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:53,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:53,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:53,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 15:54:53,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:53,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:54:53,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:53,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:53,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:53,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:53,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:53,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:54:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:53,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:53,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:53,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:53,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:53,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:53,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:53,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:53,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:53,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:53,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:53,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:54:53,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:53,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:53,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:53,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:53,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:53,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:53,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:53,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:53,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:53,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:53,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:53,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:54:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:53,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:53,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:53,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:53,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:53,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:53,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:53,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:53,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:53,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:53,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:53,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:54:53,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:53,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:53,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:53,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:53,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:53,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:53,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:53,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:53,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:53,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:53,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:53,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:54:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:53,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:53,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:53,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:53,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:53,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:53,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:53,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:53,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:53,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:53,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:53,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:54:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:53,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:53,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:53,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:53,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:53,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:53,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:53,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:53,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:53,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:53,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:53,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:54:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:53,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:53,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:53,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:53,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:53,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:53,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:53,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:53,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:53,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:53,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:53,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:54:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:53,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:53,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:53,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:53,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:53,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:53,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:53,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:53,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:53,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:53,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:53,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:54:53,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:53,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:53,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:53,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:53,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:53,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:53,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:53,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:53,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:53,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:53,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:53,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:54:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:53,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:53,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:53,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:53,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:53,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:53,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:53,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:53,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:53,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:53,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:53,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-13 15:54:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:53,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:53,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:53,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 15:54:53,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:53,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:54:53,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:53,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:53,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:53,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:53,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:53,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-13 15:54:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:53,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:53,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:53,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:54:53,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:53,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:53,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:53,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:54:53,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:53,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 15:54:53,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:53,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:54:53,828 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [763551213] [2020-10-13 15:54:53,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:54:53,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 15:54:53,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172285535] [2020-10-13 15:54:53,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 15:54:53,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:54:53,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 15:54:53,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 15:54:53,830 INFO L87 Difference]: Start difference. First operand 786 states and 1108 transitions. Second operand 7 states. [2020-10-13 15:54:53,990 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-13 15:55:01,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:55:01,073 INFO L93 Difference]: Finished difference Result 3100 states and 4636 transitions. [2020-10-13 15:55:01,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 15:55:01,074 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 195 [2020-10-13 15:55:01,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:55:01,087 INFO L225 Difference]: With dead ends: 3100 [2020-10-13 15:55:01,087 INFO L226 Difference]: Without dead ends: 2343 [2020-10-13 15:55:01,090 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:55:01,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2343 states. [2020-10-13 15:55:01,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2343 to 1637. [2020-10-13 15:55:01,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1637 states. [2020-10-13 15:55:01,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1637 states and 2359 transitions. [2020-10-13 15:55:01,500 INFO L78 Accepts]: Start accepts. Automaton has 1637 states and 2359 transitions. Word has length 195 [2020-10-13 15:55:01,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:55:01,501 INFO L479 AbstractCegarLoop]: Abstraction has 1637 states and 2359 transitions. [2020-10-13 15:55:01,501 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 15:55:01,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 2359 transitions. [2020-10-13 15:55:01,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-13 15:55:01,505 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:55:01,505 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:55:01,506 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 15:55:01,506 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:55:01,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:55:01,506 INFO L82 PathProgramCache]: Analyzing trace with hash -466483672, now seen corresponding path program 1 times [2020-10-13 15:55:01,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:55:01,507 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [290004533] [2020-10-13 15:55:01,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:55:01,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:01,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:01,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:01,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:01,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:01,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:01,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:02,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:02,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:02,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:02,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:02,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:02,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:02,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:02,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:02,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:02,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:02,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:06,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:06,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-13 15:55:06,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-13 15:55:06,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 15:55:06,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:06,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:55:06,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:55:06,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-13 15:55:06,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:06,712 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 15:55:06,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:55:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:06,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:06,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:06,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:55:06,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:06,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:55:06,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:06,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:55:06,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:06,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:55:06,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:06,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:55:06,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:06,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:06,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:06,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:55:06,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:06,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:55:06,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:06,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:55:06,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:06,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:55:06,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:06,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:55:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:06,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:06,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:06,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:55:06,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:06,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:06,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:06,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:55:06,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:06,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:55:06,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:06,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:55:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:06,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:06,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:06,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 15:55:06,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:06,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:55:06,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:06,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:55:06,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:06,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 15:55:06,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:06,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:55:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:06,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:06,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:06,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 15:55:06,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:06,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 15:55:06,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:06,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:55:06,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:55:06,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 15:55:06,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:06,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 15:55:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:06,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:06,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:06,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 15:55:06,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:06,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:55:06,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:06,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:06,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-13 15:55:06,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:06,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:06,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:55:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:06,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:06,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:06,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:06,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:06,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:06,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:06,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:06,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:06,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:06,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:06,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:55:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:06,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:06,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:06,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:06,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:06,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:06,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:06,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:06,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:06,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:06,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:06,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:55:06,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:06,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:06,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:06,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:06,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:06,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:06,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:06,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:06,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:06,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:06,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:06,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:55:06,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:06,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:06,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:06,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:06,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:06,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:06,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:06,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:06,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:06,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:06,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:06,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:55:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:06,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:06,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:06,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:06,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:06,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:06,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:06,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:06,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:06,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:06,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:06,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:55:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:06,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:06,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:06,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:06,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:06,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:06,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:06,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:06,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:06,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:06,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:06,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:55:06,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:06,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:06,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:06,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:06,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:06,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:06,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:06,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:06,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:06,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:06,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:06,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:55:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:06,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:06,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:06,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:06,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:06,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:06,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:06,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:06,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:06,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:06,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:06,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:55:06,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:06,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:06,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:06,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:06,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:06,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:06,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:06,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:06,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:06,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:06,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:06,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:55:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:06,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:06,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:06,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:06,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:06,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:06,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:06,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:06,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:06,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:06,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:06,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-13 15:55:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:06,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:06,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:06,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 15:55:06,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:06,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:55:06,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:06,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:06,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 15:55:06,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:06,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:06,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-13 15:55:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:06,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:06,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:06,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:55:06,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:06,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:06,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:06,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:06,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:55:06,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:06,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:07,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:55:07,005 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [290004533] [2020-10-13 15:55:07,005 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:55:07,005 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:55:07,005 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990989009] [2020-10-13 15:55:07,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:55:07,006 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:55:07,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:55:07,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:55:07,007 INFO L87 Difference]: Start difference. First operand 1637 states and 2359 transitions. Second operand 10 states. [2020-10-13 15:55:07,180 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-13 15:55:09,822 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-13 15:55:15,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:55:15,615 INFO L93 Difference]: Finished difference Result 6213 states and 9502 transitions. [2020-10-13 15:55:15,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:55:15,615 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 196 [2020-10-13 15:55:15,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:55:15,636 INFO L225 Difference]: With dead ends: 6213 [2020-10-13 15:55:15,636 INFO L226 Difference]: Without dead ends: 4615 [2020-10-13 15:55:15,643 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:55:15,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4615 states. [2020-10-13 15:55:16,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4615 to 3434. [2020-10-13 15:55:16,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3434 states. [2020-10-13 15:55:16,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3434 states to 3434 states and 4977 transitions. [2020-10-13 15:55:16,105 INFO L78 Accepts]: Start accepts. Automaton has 3434 states and 4977 transitions. Word has length 196 [2020-10-13 15:55:16,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:55:16,106 INFO L479 AbstractCegarLoop]: Abstraction has 3434 states and 4977 transitions. [2020-10-13 15:55:16,106 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:55:16,106 INFO L276 IsEmpty]: Start isEmpty. Operand 3434 states and 4977 transitions. [2020-10-13 15:55:16,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-13 15:55:16,108 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:55:16,109 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:55:16,109 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 15:55:16,109 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:55:16,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:55:16,109 INFO L82 PathProgramCache]: Analyzing trace with hash 1248037152, now seen corresponding path program 1 times [2020-10-13 15:55:16,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:55:16,110 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2037471884] [2020-10-13 15:55:16,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:55:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:16,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:16,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:16,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:16,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:16,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:16,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:16,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:16,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:16,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:16,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:16,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:16,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:16,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:16,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:16,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:21,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:21,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-13 15:55:21,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-13 15:55:21,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-13 15:55:21,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:21,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:55:21,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:55:21,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 15:55:21,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:21,301 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 15:55:21,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:55:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:21,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:21,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:21,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:55:21,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:21,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:55:21,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:21,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:55:21,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:21,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:55:21,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:21,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:55:21,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:21,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:21,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:21,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:55:21,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:21,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:55:21,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:21,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:55:21,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:21,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:55:21,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:21,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:55:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:21,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:21,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:21,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:55:21,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:21,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:21,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:21,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:55:21,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:21,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:55:21,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:21,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:55:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:21,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:21,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:21,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 15:55:21,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:21,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:55:21,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:21,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:55:21,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:21,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 15:55:21,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:21,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:55:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:21,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:21,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:21,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 15:55:21,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:21,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 15:55:21,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:21,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:55:21,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:55:21,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 15:55:21,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:21,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 15:55:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:21,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:21,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:21,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 15:55:21,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:21,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 15:55:21,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:21,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:21,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-13 15:55:21,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:21,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:21,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:55:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:21,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:21,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:21,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:21,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:21,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:21,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:21,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:21,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:21,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:21,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:21,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:55:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:21,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:21,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:21,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:21,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:21,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:21,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:21,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:21,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:21,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:21,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:21,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:55:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:21,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:21,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:21,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:21,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:21,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:21,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:21,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:21,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:21,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:21,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:21,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:55:21,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:21,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:21,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:21,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:21,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:21,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:21,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:21,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:21,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:21,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:21,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:21,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:55:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:21,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:21,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:21,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:21,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:21,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:21,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:21,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:21,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:21,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:21,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:21,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:55:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:21,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:21,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:21,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:21,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:21,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:21,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:21,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:21,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:21,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:21,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:21,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:55:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:21,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:21,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:21,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:21,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:21,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:21,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:21,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:21,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:21,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:21,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:21,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:55:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:21,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:21,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:21,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:21,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:21,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:21,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:21,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:21,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:21,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:21,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:21,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:55:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:21,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:21,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:21,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:21,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:21,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:21,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:21,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:21,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:21,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:21,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:21,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:55:21,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:21,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:21,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:21,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:21,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:21,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:21,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:21,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:21,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:21,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:21,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:21,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-13 15:55:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:21,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:21,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:21,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 15:55:21,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:21,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:55:21,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:21,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:21,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 15:55:21,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:21,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:21,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-13 15:55:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:21,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:21,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:21,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:55:21,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:21,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:21,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:21,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:21,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:55:21,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:21,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:21,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:55:21,560 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2037471884] [2020-10-13 15:55:21,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:55:21,560 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:55:21,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190211989] [2020-10-13 15:55:21,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:55:21,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:55:21,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:55:21,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:55:21,562 INFO L87 Difference]: Start difference. First operand 3434 states and 4977 transitions. Second operand 10 states. [2020-10-13 15:55:21,731 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-13 15:55:24,412 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-13 15:55:30,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:55:30,161 INFO L93 Difference]: Finished difference Result 8010 states and 11888 transitions. [2020-10-13 15:55:30,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:55:30,161 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 196 [2020-10-13 15:55:30,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:55:30,181 INFO L225 Difference]: With dead ends: 8010 [2020-10-13 15:55:30,182 INFO L226 Difference]: Without dead ends: 4615 [2020-10-13 15:55:30,192 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:55:30,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4615 states. [2020-10-13 15:55:30,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4615 to 3434. [2020-10-13 15:55:30,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3434 states. [2020-10-13 15:55:30,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3434 states to 3434 states and 4949 transitions. [2020-10-13 15:55:30,784 INFO L78 Accepts]: Start accepts. Automaton has 3434 states and 4949 transitions. Word has length 196 [2020-10-13 15:55:30,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:55:30,784 INFO L479 AbstractCegarLoop]: Abstraction has 3434 states and 4949 transitions. [2020-10-13 15:55:30,784 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:55:30,784 INFO L276 IsEmpty]: Start isEmpty. Operand 3434 states and 4949 transitions. [2020-10-13 15:55:30,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-13 15:55:30,787 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:55:30,787 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:55:30,787 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 15:55:30,788 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:55:30,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:55:30,788 INFO L82 PathProgramCache]: Analyzing trace with hash 1393505572, now seen corresponding path program 1 times [2020-10-13 15:55:30,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:55:30,788 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1423552553] [2020-10-13 15:55:30,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:55:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:30,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:30,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:30,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:30,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:31,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:31,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:31,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:31,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:31,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:31,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:31,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:31,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:31,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:31,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:35,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:35,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:35,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:35,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:35,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:35,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:35,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-13 15:55:35,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-13 15:55:35,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 15:55:35,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:35,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:55:35,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:55:35,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-13 15:55:35,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:35,968 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 15:55:35,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:55:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:35,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:35,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:35,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:55:35,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:35,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:55:35,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:35,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:55:35,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:35,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:55:35,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:55:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:36,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:36,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:36,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:55:36,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:36,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:55:36,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:36,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:55:36,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:36,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:55:36,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:55:36,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:36,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:36,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:36,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:55:36,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:36,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:36,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:36,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:55:36,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:36,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:55:36,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:55:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:36,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:36,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:36,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 15:55:36,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:36,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:55:36,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:36,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:55:36,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:36,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 15:55:36,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:55:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:36,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:36,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:36,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 15:55:36,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:36,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:55:36,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:36,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:55:36,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:55:36,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 15:55:36,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 15:55:36,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:36,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:36,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:36,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 15:55:36,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:36,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:55:36,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:36,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:36,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-13 15:55:36,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:36,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:55:36,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:36,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:36,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:36,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:36,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:36,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:36,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:36,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:36,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:36,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:36,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:55:36,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:36,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:36,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:36,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:36,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:36,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:36,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:36,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:36,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:36,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:36,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:55:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:36,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:36,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:36,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:36,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:36,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:36,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:36,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:36,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:36,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:36,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:55:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:36,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:36,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:36,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:36,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:36,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:36,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:36,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:36,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:36,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:36,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:55:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:36,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:36,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:36,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:36,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:36,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:36,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:36,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:36,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:36,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:36,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:55:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:36,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:36,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:36,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:36,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:36,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:36,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:36,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:36,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:36,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:36,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:55:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:36,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:36,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:36,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:36,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:36,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:36,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:36,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:36,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:36,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:36,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:55:36,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:36,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:36,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:36,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:36,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:36,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:36,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:36,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:36,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:36,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:36,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:55:36,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:36,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:36,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:36,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:36,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:36,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:36,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:36,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:36,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:36,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:36,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:55:36,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:36,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:36,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:36,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:36,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:36,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:36,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:36,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:36,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:36,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:36,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-13 15:55:36,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:36,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:36,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:36,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 15:55:36,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:36,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:55:36,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:36,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:36,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 15:55:36,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:36,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-13 15:55:36,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:36,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:36,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:36,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:55:36,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:36,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:36,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:36,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:36,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:55:36,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:36,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:55:36,228 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1423552553] [2020-10-13 15:55:36,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:55:36,229 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:55:36,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729786207] [2020-10-13 15:55:36,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:55:36,230 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:55:36,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:55:36,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:55:36,230 INFO L87 Difference]: Start difference. First operand 3434 states and 4949 transitions. Second operand 10 states. [2020-10-13 15:55:36,396 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-13 15:55:38,933 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-13 15:55:44,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:55:44,128 INFO L93 Difference]: Finished difference Result 8010 states and 11816 transitions. [2020-10-13 15:55:44,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:55:44,128 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 196 [2020-10-13 15:55:44,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:55:44,145 INFO L225 Difference]: With dead ends: 8010 [2020-10-13 15:55:44,145 INFO L226 Difference]: Without dead ends: 4615 [2020-10-13 15:55:44,153 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:55:44,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4615 states. [2020-10-13 15:55:44,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4615 to 3434. [2020-10-13 15:55:44,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3434 states. [2020-10-13 15:55:44,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3434 states to 3434 states and 4921 transitions. [2020-10-13 15:55:44,621 INFO L78 Accepts]: Start accepts. Automaton has 3434 states and 4921 transitions. Word has length 196 [2020-10-13 15:55:44,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:55:44,621 INFO L479 AbstractCegarLoop]: Abstraction has 3434 states and 4921 transitions. [2020-10-13 15:55:44,621 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:55:44,622 INFO L276 IsEmpty]: Start isEmpty. Operand 3434 states and 4921 transitions. [2020-10-13 15:55:44,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-13 15:55:44,625 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:55:44,625 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:55:44,625 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 15:55:44,625 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:55:44,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:55:44,626 INFO L82 PathProgramCache]: Analyzing trace with hash -402917216, now seen corresponding path program 1 times [2020-10-13 15:55:44,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:55:44,626 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [435706144] [2020-10-13 15:55:44,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:55:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:44,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:44,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:44,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:44,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:44,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:44,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:45,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:45,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:45,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:45,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:45,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:45,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:45,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:48,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:49,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:49,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:49,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-13 15:55:49,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-13 15:55:49,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 15:55:49,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:49,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:55:49,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:55:49,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-13 15:55:49,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:49,816 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 15:55:49,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:55:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:49,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:49,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:49,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:55:49,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:49,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:55:49,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:49,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:55:49,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:49,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:55:49,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:49,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:55:49,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:49,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:49,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:49,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:55:49,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:49,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:55:49,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:49,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:55:49,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:49,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:55:49,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:49,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:55:49,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:49,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:49,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:49,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:55:49,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:49,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:49,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:49,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:55:49,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:49,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:55:49,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:49,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:55:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:49,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:49,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:49,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 15:55:49,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:49,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:55:49,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:49,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:55:49,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:49,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 15:55:49,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:49,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:55:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:49,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:49,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:49,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 15:55:49,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:49,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:55:49,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:49,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:55:49,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:55:49,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 15:55:49,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:49,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 15:55:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:49,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:49,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:49,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 15:55:49,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:49,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:55:49,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:49,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:49,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-13 15:55:49,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:49,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:50,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:55:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:50,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:50,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:50,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:50,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:50,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:50,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:50,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:50,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:50,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:50,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:50,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:55:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:50,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:50,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:50,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:50,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:50,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:50,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:50,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:50,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:50,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:50,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:50,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:55:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:50,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:50,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:50,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:50,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:50,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:50,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:50,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:50,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:50,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:50,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:50,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:55:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:50,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:50,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:50,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:50,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:50,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:50,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:50,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:50,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:50,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:50,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:50,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:55:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:50,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:50,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:50,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:50,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:50,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:50,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:50,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:50,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:50,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:50,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:50,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:55:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:50,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:50,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:50,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:50,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:50,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:50,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:50,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:50,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:50,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:50,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:50,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:55:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:50,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:50,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:50,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:50,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:50,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:50,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:50,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:50,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:50,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:50,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:50,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:55:50,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:50,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:50,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:50,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:50,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:50,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:50,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:50,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:50,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:50,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:50,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:50,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:55:50,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:50,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:50,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:50,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:50,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:50,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:50,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:50,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:50,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:50,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:50,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:50,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:55:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:50,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:50,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:50,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:50,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:50,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:50,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:50,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:50,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:50,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:50,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:50,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-13 15:55:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:50,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:50,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:50,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 15:55:50,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:50,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:55:50,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:50,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:50,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 15:55:50,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:50,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:50,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-13 15:55:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:50,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:50,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:50,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:55:50,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:50,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:50,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:50,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:50,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:55:50,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:50,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:50,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:55:50,063 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [435706144] [2020-10-13 15:55:50,063 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:55:50,063 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:55:50,063 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743327918] [2020-10-13 15:55:50,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:55:50,064 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:55:50,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:55:50,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:55:50,064 INFO L87 Difference]: Start difference. First operand 3434 states and 4921 transitions. Second operand 10 states. [2020-10-13 15:55:50,229 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-13 15:55:52,914 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-13 15:55:58,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:55:58,796 INFO L93 Difference]: Finished difference Result 8010 states and 11744 transitions. [2020-10-13 15:55:58,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:55:58,799 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 196 [2020-10-13 15:55:58,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:55:58,832 INFO L225 Difference]: With dead ends: 8010 [2020-10-13 15:55:58,833 INFO L226 Difference]: Without dead ends: 4615 [2020-10-13 15:55:58,844 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:55:58,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4615 states. [2020-10-13 15:55:59,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4615 to 3434. [2020-10-13 15:55:59,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3434 states. [2020-10-13 15:55:59,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3434 states to 3434 states and 4893 transitions. [2020-10-13 15:55:59,324 INFO L78 Accepts]: Start accepts. Automaton has 3434 states and 4893 transitions. Word has length 196 [2020-10-13 15:55:59,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:55:59,324 INFO L479 AbstractCegarLoop]: Abstraction has 3434 states and 4893 transitions. [2020-10-13 15:55:59,324 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:55:59,324 INFO L276 IsEmpty]: Start isEmpty. Operand 3434 states and 4893 transitions. [2020-10-13 15:55:59,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-13 15:55:59,327 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:55:59,327 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:55:59,327 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 15:55:59,328 INFO L427 AbstractCegarLoop]: === Iteration 16 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:55:59,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:55:59,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1894438308, now seen corresponding path program 1 times [2020-10-13 15:55:59,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:55:59,328 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [656683537] [2020-10-13 15:55:59,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:55:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:59,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:59,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:59,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:59,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:59,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:59,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:59,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:59,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:59,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:59,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:59,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:59,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:02,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:02,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:02,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:02,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:02,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:03,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:04,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:04,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:04,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-13 15:56:04,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-13 15:56:04,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-13 15:56:04,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:04,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:56:04,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:56:04,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-13 15:56:04,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:04,541 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 15:56:04,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:56:04,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:04,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:04,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:04,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:56:04,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:04,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:56:04,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:04,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:56:04,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:04,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:56:04,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:04,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:56:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:04,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:04,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:04,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:56:04,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:04,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:56:04,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:04,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:56:04,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:04,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:56:04,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:04,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:56:04,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:04,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:04,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:04,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:56:04,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:04,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:04,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:04,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:56:04,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:04,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:56:04,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:04,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:56:04,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:04,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:04,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:04,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 15:56:04,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:04,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:56:04,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:04,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:56:04,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:04,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 15:56:04,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:04,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:56:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:04,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:04,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:04,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 15:56:04,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:04,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:56:04,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:04,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:56:04,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:56:04,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 15:56:04,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:04,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 15:56:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:04,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:04,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:04,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 15:56:04,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:04,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:56:04,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:04,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:04,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-13 15:56:04,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:04,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:04,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:56:04,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:04,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:04,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:04,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:04,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:04,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:04,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:04,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:04,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:04,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:04,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:04,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:56:04,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:04,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:04,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:04,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:04,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:04,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:04,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:04,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:04,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:04,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:04,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:04,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:56:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:04,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:04,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:04,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:04,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:04,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:04,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:04,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:04,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:04,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:04,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:04,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:56:04,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:04,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:04,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:04,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:04,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:04,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:04,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:04,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:04,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:04,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:04,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:04,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:56:04,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:04,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:04,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:04,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:04,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:04,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:04,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:04,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:04,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:04,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:04,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:04,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:56:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:04,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:04,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:04,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:04,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:04,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:04,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:04,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:04,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:04,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:04,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:04,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:56:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:04,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:04,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:04,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:04,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:04,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:04,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:04,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:04,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:04,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:04,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:04,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:56:04,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:04,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:04,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:04,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:04,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:04,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:04,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:04,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:04,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:04,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:04,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:04,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:56:04,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:04,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:04,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:04,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:04,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:04,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:04,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:04,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:04,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:04,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:04,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:04,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:56:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:04,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:04,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:04,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:04,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:04,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:04,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:04,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:04,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:04,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:04,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:04,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-13 15:56:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:04,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:04,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:04,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 15:56:04,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:04,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:56:04,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:04,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:04,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 15:56:04,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:04,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:04,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-13 15:56:04,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:04,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:04,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:04,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:56:04,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:04,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:04,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:04,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:04,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:56:04,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:04,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:04,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:56:04,822 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [656683537] [2020-10-13 15:56:04,823 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:56:04,823 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:56:04,823 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841745933] [2020-10-13 15:56:04,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:56:04,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:56:04,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:56:04,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:56:04,824 INFO L87 Difference]: Start difference. First operand 3434 states and 4893 transitions. Second operand 10 states. [2020-10-13 15:56:05,007 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-13 15:56:07,701 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-13 15:56:13,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:56:13,471 INFO L93 Difference]: Finished difference Result 8010 states and 11672 transitions. [2020-10-13 15:56:13,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:56:13,472 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 196 [2020-10-13 15:56:13,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:56:13,489 INFO L225 Difference]: With dead ends: 8010 [2020-10-13 15:56:13,489 INFO L226 Difference]: Without dead ends: 4615 [2020-10-13 15:56:13,499 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:56:13,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4615 states. [2020-10-13 15:56:14,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4615 to 3434. [2020-10-13 15:56:14,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3434 states. [2020-10-13 15:56:14,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3434 states to 3434 states and 4865 transitions. [2020-10-13 15:56:14,022 INFO L78 Accepts]: Start accepts. Automaton has 3434 states and 4865 transitions. Word has length 196 [2020-10-13 15:56:14,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:56:14,022 INFO L479 AbstractCegarLoop]: Abstraction has 3434 states and 4865 transitions. [2020-10-13 15:56:14,023 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:56:14,023 INFO L276 IsEmpty]: Start isEmpty. Operand 3434 states and 4865 transitions. [2020-10-13 15:56:14,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-13 15:56:14,025 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:56:14,025 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:56:14,026 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 15:56:14,026 INFO L427 AbstractCegarLoop]: === Iteration 17 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:56:14,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:56:14,026 INFO L82 PathProgramCache]: Analyzing trace with hash -940947424, now seen corresponding path program 1 times [2020-10-13 15:56:14,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:56:14,027 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1945824463] [2020-10-13 15:56:14,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:56:14,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:14,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking...