/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.02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 15:51:56,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 15:51:56,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 15:51:56,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 15:51:56,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 15:51:56,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 15:51:56,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 15:51:56,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 15:51:56,709 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 15:51:56,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 15:51:56,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 15:51:56,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 15:51:56,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 15:51:56,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 15:51:56,720 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 15:51:56,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 15:51:56,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 15:51:56,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 15:51:56,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 15:51:56,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 15:51:56,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 15:51:56,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 15:51:56,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 15:51:56,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 15:51:56,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 15:51:56,754 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 15:51:56,754 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 15:51:56,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 15:51:56,756 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 15:51:56,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 15:51:56,757 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 15:51:56,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 15:51:56,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 15:51:56,759 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 15:51:56,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 15:51:56,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 15:51:56,761 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 15:51:56,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 15:51:56,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 15:51:56,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 15:51:56,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 15:51:56,763 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 15:51:56,800 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 15:51:56,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 15:51:56,802 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 15:51:56,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 15:51:56,803 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 15:51:56,803 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 15:51:56,803 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 15:51:56,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 15:51:56,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 15:51:56,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 15:51:56,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 15:51:56,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 15:51:56,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 15:51:56,806 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 15:51:56,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 15:51:56,806 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 15:51:56,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 15:51:56,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 15:51:56,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 15:51:56,807 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 15:51:56,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 15:51:56,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 15:51:56,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 15:51:56,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 15:51:56,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 15:51:56,808 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 15:51:56,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 15:51:56,808 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 15:51:56,809 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 15:51:56,809 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 15:51:57,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 15:51:57,139 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 15:51:57,144 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 15:51:57,145 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 15:51:57,146 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 15:51:57,146 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.02.cil.c [2020-10-13 15:51:57,208 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/64884c824/12a7dad049bd4c638948c56a7e30b111/FLAG2cff05aeb [2020-10-13 15:51:57,689 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 15:51:57,689 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.02.cil.c [2020-10-13 15:51:57,699 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/64884c824/12a7dad049bd4c638948c56a7e30b111/FLAG2cff05aeb [2020-10-13 15:51:58,061 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/64884c824/12a7dad049bd4c638948c56a7e30b111 [2020-10-13 15:51:58,069 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 15:51:58,071 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 15:51:58,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 15:51:58,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 15:51:58,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 15:51:58,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:51:58" (1/1) ... [2020-10-13 15:51:58,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@424d9305 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:58, skipping insertion in model container [2020-10-13 15:51:58,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:51:58" (1/1) ... [2020-10-13 15:51:58,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 15:51:58,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 15:51:58,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 15:51:58,400 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 15:51:58,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 15:51:58,569 INFO L208 MainTranslator]: Completed translation [2020-10-13 15:51:58,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:58 WrapperNode [2020-10-13 15:51:58,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 15:51:58,571 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 15:51:58,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 15:51:58,571 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 15:51:58,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:58" (1/1) ... [2020-10-13 15:51:58,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:58" (1/1) ... [2020-10-13 15:51:58,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:58" (1/1) ... [2020-10-13 15:51:58,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:58" (1/1) ... [2020-10-13 15:51:58,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:58" (1/1) ... [2020-10-13 15:51:58,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:58" (1/1) ... [2020-10-13 15:51:58,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:58" (1/1) ... [2020-10-13 15:51:58,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 15:51:58,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 15:51:58,617 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 15:51:58,617 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 15:51:58,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:58" (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 15:51:58,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 15:51:58,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 15:51:58,682 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-13 15:51:58,682 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-13 15:51:58,682 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-13 15:51:58,683 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-13 15:51:58,683 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-13 15:51:58,684 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-13 15:51:58,684 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-13 15:51:58,684 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-13 15:51:58,684 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-13 15:51:58,684 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-13 15:51:58,685 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-13 15:51:58,685 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-13 15:51:58,685 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-13 15:51:58,686 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-13 15:51:58,686 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-13 15:51:58,686 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-13 15:51:58,686 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-13 15:51:58,686 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-13 15:51:58,687 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-13 15:51:58,687 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-13 15:51:58,688 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 15:51:58,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 15:51:58,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 15:51:58,690 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-13 15:51:58,690 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-13 15:51:58,690 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-13 15:51:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-13 15:51:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-13 15:51:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-13 15:51:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-13 15:51:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-13 15:51:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-13 15:51:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-13 15:51:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-13 15:51:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-13 15:51:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-13 15:51:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-13 15:51:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-13 15:51:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-13 15:51:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-13 15:51:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-13 15:51:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-13 15:51:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-13 15:51:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 15:51:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 15:51:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 15:51:59,186 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 15:51:59,187 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-13 15:51:59,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:51:59 BoogieIcfgContainer [2020-10-13 15:51:59,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 15:51:59,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 15:51:59,202 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 15:51:59,206 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 15:51:59,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:51:58" (1/3) ... [2020-10-13 15:51:59,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@484d015c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:51:59, skipping insertion in model container [2020-10-13 15:51:59,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:58" (2/3) ... [2020-10-13 15:51:59,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@484d015c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:51:59, skipping insertion in model container [2020-10-13 15:51:59,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:51:59" (3/3) ... [2020-10-13 15:51:59,211 INFO L109 eAbstractionObserver]: Analyzing ICFG transmitter.02.cil.c [2020-10-13 15:51:59,222 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 15:51:59,229 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 15:51:59,244 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 15:51:59,268 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 15:51:59,268 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 15:51:59,268 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 15:51:59,269 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 15:51:59,269 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 15:51:59,269 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 15:51:59,269 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 15:51:59,270 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 15:51:59,294 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-10-13 15:51:59,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-13 15:51:59,314 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:51:59,315 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] [2020-10-13 15:51:59,316 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:51:59,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:51:59,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1996614335, now seen corresponding path program 1 times [2020-10-13 15:51:59,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:51:59,332 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2033060549] [2020-10-13 15:51:59,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:51:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:59,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:59,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:59,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:59,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:59,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:01,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:01,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:01,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:01,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:04,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:04,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-13 15:52:04,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 15:52:04,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-13 15:52:04,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:04,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:52:04,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-10-13 15:52:04,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:52:04,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 15:52:04,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:52:04,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:04,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:04,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:04,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:04,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:04,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:52:04,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:04,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:04,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:04,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:04,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:04,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:52:04,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:04,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:04,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:04,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:04,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:04,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:04,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:04,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:04,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:04,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:04,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:04,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:52:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:04,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:04,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:04,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:52:04,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:04,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:04,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:04,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:04,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:04,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:04,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:04,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:52:04,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:04,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:04,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:04,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:52:04,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:04,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:52:04,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:04,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:04,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:04,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:04,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:04,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:52:04,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:04,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:04,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:04,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:52:04,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:04,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:52:04,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:04,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:04,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:04,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:04,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:04,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:52:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:04,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:04,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:04,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:05,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:05,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:52:05,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 15:52:05,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 549 [2020-10-13 15:52:05,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:05,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:52:05,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:52:05,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:52:05,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:05,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:52:05,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:05,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:05,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:05,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:05,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:05,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:52:05,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:05,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:05,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:05,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:05,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:05,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:52:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:05,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:05,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:05,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:05,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:05,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:05,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:05,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:05,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:05,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:05,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:05,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:52:05,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:05,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:05,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:05,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:05,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:05,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:52:05,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:05,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:52:05,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:05,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:52:05,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:05,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:52:05,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:05,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:05,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:05,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:52:05,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:05,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:52:05,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:05,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:05,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-13 15:52:05,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:05,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:05,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:52:05,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:05,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:05,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:05,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:52:05,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:05,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:52:05,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:05,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:05,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:52:05,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:05,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:05,520 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 15:52:05,521 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2033060549] [2020-10-13 15:52:05,523 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:52:05,523 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:52:05,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415061351] [2020-10-13 15:52:05,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:52:05,530 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:52:05,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:52:05,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:52:05,553 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 10 states. [2020-10-13 15:52:07,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:52:07,719 INFO L93 Difference]: Finished difference Result 416 states and 643 transitions. [2020-10-13 15:52:07,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 15:52:07,720 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2020-10-13 15:52:07,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:52:07,735 INFO L225 Difference]: With dead ends: 416 [2020-10-13 15:52:07,735 INFO L226 Difference]: Without dead ends: 256 [2020-10-13 15:52:07,741 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:52:07,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2020-10-13 15:52:07,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 165. [2020-10-13 15:52:07,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-10-13 15:52:07,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 218 transitions. [2020-10-13 15:52:07,816 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 218 transitions. Word has length 90 [2020-10-13 15:52:07,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:52:07,817 INFO L479 AbstractCegarLoop]: Abstraction has 165 states and 218 transitions. [2020-10-13 15:52:07,817 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:52:07,817 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 218 transitions. [2020-10-13 15:52:07,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-13 15:52:07,822 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:52:07,822 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] [2020-10-13 15:52:07,822 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 15:52:07,823 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:52:07,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:52:07,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1924227777, now seen corresponding path program 1 times [2020-10-13 15:52:07,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:52:07,824 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [552473928] [2020-10-13 15:52:07,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:52:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:07,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:07,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:07,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:07,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:08,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:08,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:08,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:08,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:12,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:12,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-13 15:52:12,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 15:52:12,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 15:52:12,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:12,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:52:12,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-13 15:52:12,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:52:12,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:12,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:52:12,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:12,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:12,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:12,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:12,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:12,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:52:12,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:12,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:12,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:12,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:12,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:12,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:52:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:12,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:12,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:12,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:12,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:12,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:12,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:12,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:12,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:12,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:12,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:12,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:52:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:12,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:12,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:12,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:52:12,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:12,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:12,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:12,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:12,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:12,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:12,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:12,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:52:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:12,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:12,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:12,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:52:12,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:12,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:12,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:12,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:12,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:12,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:12,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:12,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:52:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:12,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:12,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:12,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:52:12,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:12,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:52:12,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:12,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:12,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:12,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:12,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:12,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:52:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:12,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:12,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:13,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:13,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:52:13,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 15:52:13,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-13 15:52:13,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:13,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:52:13,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:52:13,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:52:13,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:13,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:52:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:13,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:13,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:13,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:13,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:13,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:52:13,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:13,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:52:13,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:13,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:52:13,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:13,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:52:13,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:13,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:13,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:13,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:13,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:13,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:52:13,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:13,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:13,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:52:13,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:13,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:13,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:52:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:13,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:13,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:13,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:13,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:13,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:13,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:13,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:13,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:52:13,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:13,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:13,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:52:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:13,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:13,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:13,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:52:13,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:13,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:52:13,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:13,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:13,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-13 15:52:13,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:13,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:13,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:52:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:13,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:13,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:13,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:52:13,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:13,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:13,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:13,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:13,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:52:13,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:13,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:13,163 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 15:52:13,163 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [552473928] [2020-10-13 15:52:13,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:52:13,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:52:13,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306727827] [2020-10-13 15:52:13,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:52:13,167 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:52:13,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:52:13,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:52:13,168 INFO L87 Difference]: Start difference. First operand 165 states and 218 transitions. Second operand 10 states. [2020-10-13 15:52:15,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:52:15,067 INFO L93 Difference]: Finished difference Result 410 states and 595 transitions. [2020-10-13 15:52:15,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 15:52:15,067 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2020-10-13 15:52:15,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:52:15,073 INFO L225 Difference]: With dead ends: 410 [2020-10-13 15:52:15,073 INFO L226 Difference]: Without dead ends: 266 [2020-10-13 15:52:15,075 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2020-10-13 15:52:15,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-10-13 15:52:15,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 170. [2020-10-13 15:52:15,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-10-13 15:52:15,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 223 transitions. [2020-10-13 15:52:15,108 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 223 transitions. Word has length 90 [2020-10-13 15:52:15,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:52:15,109 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 223 transitions. [2020-10-13 15:52:15,109 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:52:15,109 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 223 transitions. [2020-10-13 15:52:15,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-13 15:52:15,112 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:52:15,113 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] [2020-10-13 15:52:15,113 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 15:52:15,113 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:52:15,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:52:15,113 INFO L82 PathProgramCache]: Analyzing trace with hash -104358333, now seen corresponding path program 1 times [2020-10-13 15:52:15,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:52:15,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1757250515] [2020-10-13 15:52:15,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:52:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:15,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:15,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:15,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:15,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:15,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:15,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:15,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:16,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:16,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:20,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:20,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-13 15:52:20,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 15:52:20,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 15:52:20,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:20,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:52:20,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-13 15:52:20,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:52:20,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:20,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:52:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:20,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:20,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:20,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:20,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:20,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:52:20,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:20,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:20,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:20,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:20,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:20,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:52:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:20,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:20,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:20,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:20,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:20,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:20,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:20,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:20,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:20,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:20,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 15:52:20,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:52:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:20,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:20,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:20,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:52:20,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:20,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:20,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:20,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:20,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:20,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:20,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:20,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:52:20,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:20,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:20,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:20,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:52:20,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:20,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:52:20,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:20,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:20,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:20,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:20,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:20,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:52:20,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:20,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:20,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:20,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:52:20,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:20,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:52:20,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:20,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:20,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:20,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:20,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:20,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:52:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:20,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:20,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:20,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:52:20,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:20,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 15:52:20,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:20,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:52:20,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 15:52:20,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:52:20,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:20,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:52:20,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:20,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:20,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:20,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:20,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:20,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:52:20,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:20,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:20,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:20,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:20,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:20,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:52:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:20,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:20,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:20,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:20,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:20,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:52:20,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:20,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:52:20,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:20,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:52:20,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:20,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:52:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:20,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:20,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:20,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:20,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:20,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:20,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:20,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:20,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:52:20,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:20,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:20,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:52:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:20,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:20,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:20,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:52:20,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:20,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:52:20,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:20,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:20,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-13 15:52:20,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:20,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:20,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:52:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:20,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:20,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:20,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:52:20,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:20,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:20,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:20,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:20,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:52:20,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:20,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:20,367 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 15:52:20,367 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1757250515] [2020-10-13 15:52:20,368 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:52:20,368 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:52:20,368 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300484490] [2020-10-13 15:52:20,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:52:20,369 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:52:20,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:52:20,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:52:20,369 INFO L87 Difference]: Start difference. First operand 170 states and 223 transitions. Second operand 10 states. [2020-10-13 15:52:22,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:52:22,271 INFO L93 Difference]: Finished difference Result 422 states and 609 transitions. [2020-10-13 15:52:22,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:52:22,272 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2020-10-13 15:52:22,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:52:22,276 INFO L225 Difference]: With dead ends: 422 [2020-10-13 15:52:22,277 INFO L226 Difference]: Without dead ends: 273 [2020-10-13 15:52:22,285 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:52:22,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-10-13 15:52:22,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 175. [2020-10-13 15:52:22,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-10-13 15:52:22,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 228 transitions. [2020-10-13 15:52:22,326 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 228 transitions. Word has length 90 [2020-10-13 15:52:22,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:52:22,327 INFO L479 AbstractCegarLoop]: Abstraction has 175 states and 228 transitions. [2020-10-13 15:52:22,327 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:52:22,327 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 228 transitions. [2020-10-13 15:52:22,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-13 15:52:22,330 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:52:22,331 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] [2020-10-13 15:52:22,331 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 15:52:22,331 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:52:22,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:52:22,331 INFO L82 PathProgramCache]: Analyzing trace with hash 143788161, now seen corresponding path program 1 times [2020-10-13 15:52:22,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:52:22,332 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1583040028] [2020-10-13 15:52:22,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:52:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:22,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:22,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:22,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:22,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:22,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:22,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:22,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:22,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:25,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:25,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:25,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:27,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:27,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-13 15:52:27,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-13 15:52:27,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 15:52:27,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:27,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:27,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-13 15:52:27,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:52:27,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:27,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:52:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:27,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:27,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:27,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:27,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:27,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:52:27,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:27,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:27,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:27,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:27,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:27,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:52:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:27,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:27,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:27,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:27,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:27,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:27,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:27,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:27,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:27,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:27,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:27,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:52:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:27,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:27,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:27,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:52:27,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:27,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:27,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:27,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:27,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:27,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:27,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:27,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:52:27,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:27,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:27,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:27,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:52:27,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:27,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:27,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:27,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:27,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:27,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:27,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:27,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:52:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:27,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:27,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:27,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:52:27,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:27,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:52:27,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:27,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:27,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:27,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:27,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:27,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:52:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:27,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:27,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:27,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:52:27,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:27,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:52:27,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:27,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:27,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:27,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:27,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:27,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:52:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:27,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:27,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:27,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:27,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:27,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:27,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:27,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:27,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:27,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:27,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:27,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:52:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:27,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:27,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:27,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:27,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:27,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:27,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:27,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:27,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:27,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:27,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:27,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:52:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:27,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:27,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:27,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:27,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:27,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:27,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:27,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:27,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:27,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:27,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:27,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:52:27,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:27,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:27,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:27,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:52:27,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:27,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:52:27,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:27,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:27,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:27,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:27,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:27,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:52:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:27,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:27,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:27,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:52:27,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:27,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:52:27,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:27,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:27,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:27,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 15:52:27,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:27,523 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 15:52:27,524 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1583040028] [2020-10-13 15:52:27,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:52:27,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 15:52:27,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052883590] [2020-10-13 15:52:27,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 15:52:27,526 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:52:27,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 15:52:27,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 15:52:27,526 INFO L87 Difference]: Start difference. First operand 175 states and 228 transitions. Second operand 7 states. [2020-10-13 15:52:29,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:52:29,460 INFO L93 Difference]: Finished difference Result 644 states and 946 transitions. [2020-10-13 15:52:29,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 15:52:29,460 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 90 [2020-10-13 15:52:29,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:52:29,466 INFO L225 Difference]: With dead ends: 644 [2020-10-13 15:52:29,466 INFO L226 Difference]: Without dead ends: 491 [2020-10-13 15:52:29,468 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:52:29,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2020-10-13 15:52:29,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 347. [2020-10-13 15:52:29,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2020-10-13 15:52:29,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 474 transitions. [2020-10-13 15:52:29,518 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 474 transitions. Word has length 90 [2020-10-13 15:52:29,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:52:29,519 INFO L479 AbstractCegarLoop]: Abstraction has 347 states and 474 transitions. [2020-10-13 15:52:29,519 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 15:52:29,519 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 474 transitions. [2020-10-13 15:52:29,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-13 15:52:29,524 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:52:29,524 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] [2020-10-13 15:52:29,524 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 15:52:29,525 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:52:29,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:52:29,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1861375599, now seen corresponding path program 1 times [2020-10-13 15:52:29,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:52:29,525 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1744862249] [2020-10-13 15:52:29,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:52:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:29,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:29,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:29,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:29,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:29,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:29,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:30,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:30,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:30,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:32,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:32,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-13 15:52:32,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 15:52:32,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3284 [2020-10-13 15:52:32,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:32,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:32,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 15:52:32,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 15:52:32,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:32,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:52:32,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:32,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:32,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:32,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:32,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:32,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:52:32,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:32,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:32,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:32,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:32,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:32,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:52:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:32,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:32,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:32,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:32,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:32,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:52:32,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:32,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:32,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:32,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:52:32,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:32,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:52:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:32,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:32,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:32,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:52:32,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:32,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:32,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:32,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:32,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:32,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:52:32,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:32,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:52:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:32,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:32,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:32,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:52:32,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:32,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:52:32,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:32,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:32,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 15:52:32,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:52:32,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:32,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:52:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:32,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:32,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:32,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:52:32,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:32,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:52:32,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:32,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:32,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-13 15:52:32,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:32,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:32,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:52:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:32,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:32,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:32,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:52:32,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:32,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:52:32,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:32,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:32,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-13 15:52:32,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:32,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:33,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:52:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:33,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:33,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:33,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:33,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:33,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:33,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:33,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:33,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:33,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:33,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:33,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:52:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:33,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:33,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:33,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:33,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:33,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:33,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:33,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:33,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:33,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:33,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:33,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:52:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:33,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:33,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:33,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:33,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:33,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:33,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:33,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:33,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:33,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:33,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:33,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:52:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:33,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:33,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:33,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:52:33,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:33,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:52:33,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:33,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:33,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-13 15:52:33,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:33,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:33,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:52:33,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:33,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:33,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:33,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:52:33,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:33,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:52:33,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:33,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:33,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:52:33,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:33,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:33,054 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 15:52:33,055 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1744862249] [2020-10-13 15:52:33,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:52:33,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 15:52:33,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148854313] [2020-10-13 15:52:33,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 15:52:33,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:52:33,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 15:52:33,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-13 15:52:33,058 INFO L87 Difference]: Start difference. First operand 347 states and 474 transitions. Second operand 8 states. [2020-10-13 15:52:34,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:52:34,258 INFO L93 Difference]: Finished difference Result 829 states and 1204 transitions. [2020-10-13 15:52:34,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 15:52:34,259 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 91 [2020-10-13 15:52:34,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:52:34,264 INFO L225 Difference]: With dead ends: 829 [2020-10-13 15:52:34,265 INFO L226 Difference]: Without dead ends: 499 [2020-10-13 15:52:34,267 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:52:34,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2020-10-13 15:52:34,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 347. [2020-10-13 15:52:34,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2020-10-13 15:52:34,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 472 transitions. [2020-10-13 15:52:34,308 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 472 transitions. Word has length 91 [2020-10-13 15:52:34,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:52:34,309 INFO L479 AbstractCegarLoop]: Abstraction has 347 states and 472 transitions. [2020-10-13 15:52:34,309 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 15:52:34,309 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 472 transitions. [2020-10-13 15:52:34,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-13 15:52:34,312 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:52:34,312 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] [2020-10-13 15:52:34,312 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 15:52:34,312 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:52:34,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:52:34,313 INFO L82 PathProgramCache]: Analyzing trace with hash 974152753, now seen corresponding path program 1 times [2020-10-13 15:52:34,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:52:34,313 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1803307139] [2020-10-13 15:52:34,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:52:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:34,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:34,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:34,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:34,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:34,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:34,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:34,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:34,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:35,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-13 15:52:39,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 15:52:39,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 15:52:39,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:52:39,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:52:39,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-13 15:52:39,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:39,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:52:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:39,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:52:39,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:39,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:39,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:52:39,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:39,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:52:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:39,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:52:39,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:39,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:39,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:52:39,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:39,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:52:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:52:39,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:39,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:39,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:39,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:52:39,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:39,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:52:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:52:39,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:52:39,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:39,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:39,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:52:39,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:39,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:52:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:52:39,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:52:39,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:52:39,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:52:39,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 15:52:39,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:39,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:52:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:52:39,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:52:39,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:39,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-13 15:52:39,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:39,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:39,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:52:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:39,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:52:39,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:39,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:39,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:39,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:39,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:52:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:39,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:39,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:39,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:39,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:39,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:39,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:52:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:39,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:52:39,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:39,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:39,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:39,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:39,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:52:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:52:39,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:52:39,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:39,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-13 15:52:39,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:39,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:39,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:52:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:52:39,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:39,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:39,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:52:39,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:39,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:39,587 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 15:52:39,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1803307139] [2020-10-13 15:52:39,589 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:52:39,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:52:39,590 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833286896] [2020-10-13 15:52:39,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:52:39,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:52:39,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:52:39,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:52:39,591 INFO L87 Difference]: Start difference. First operand 347 states and 472 transitions. Second operand 9 states. [2020-10-13 15:52:41,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:52:41,792 INFO L93 Difference]: Finished difference Result 1149 states and 1705 transitions. [2020-10-13 15:52:41,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:52:41,792 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 91 [2020-10-13 15:52:41,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:52:41,799 INFO L225 Difference]: With dead ends: 1149 [2020-10-13 15:52:41,799 INFO L226 Difference]: Without dead ends: 827 [2020-10-13 15:52:41,802 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2020-10-13 15:52:41,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2020-10-13 15:52:41,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 625. [2020-10-13 15:52:41,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2020-10-13 15:52:41,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 849 transitions. [2020-10-13 15:52:41,872 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 849 transitions. Word has length 91 [2020-10-13 15:52:41,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:52:41,872 INFO L479 AbstractCegarLoop]: Abstraction has 625 states and 849 transitions. [2020-10-13 15:52:41,873 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:52:41,873 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 849 transitions. [2020-10-13 15:52:41,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-13 15:52:41,875 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:52:41,875 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] [2020-10-13 15:52:41,875 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 15:52:41,875 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:52:41,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:52:41,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1119981391, now seen corresponding path program 1 times [2020-10-13 15:52:41,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:52:41,876 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [127617399] [2020-10-13 15:52:41,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:52:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:41,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:41,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:41,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:42,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:42,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:42,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:42,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:45,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:45,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-13 15:52:45,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 15:52:45,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3741 [2020-10-13 15:52:45,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:45,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:52:45,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:52:45,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-13 15:52:45,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:45,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:52:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:45,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:45,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:45,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:45,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:45,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:52:45,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:45,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:45,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:45,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:52:45,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:45,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:52:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:45,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:45,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:45,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:45,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:45,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:52:45,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:45,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:45,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:45,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:52:45,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:45,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:52:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:45,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:45,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:45,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:52:45,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:45,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:45,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:45,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:45,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:45,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:52:45,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:45,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:52:45,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:45,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:45,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:45,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:52:45,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:45,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:52:45,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:45,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:45,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:45,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:52:45,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:45,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:52:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:45,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:45,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:45,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:52:45,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:45,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:52:45,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:45,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:52:45,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:52:45,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 15:52:45,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:45,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:52:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:45,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:45,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:45,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:52:45,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:45,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:52:45,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:45,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:45,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-13 15:52:45,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:45,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:45,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:52:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:45,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:45,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:45,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:45,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:45,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:45,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:45,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:45,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:45,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:45,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:45,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:52:45,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:45,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:45,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:45,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:45,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:45,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:45,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:45,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:45,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:45,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:45,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:45,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:52:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:45,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:45,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:45,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:45,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:45,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:45,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:45,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:45,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:45,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:45,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:45,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:52:45,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:45,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:45,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:45,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:52:45,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:45,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:52:45,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:45,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:45,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-13 15:52:45,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:45,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:45,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:52:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:45,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:45,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:45,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:52:45,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:45,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:45,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:45,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:45,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:52:45,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:45,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:45,904 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 15:52:45,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [127617399] [2020-10-13 15:52:45,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:52:45,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:52:45,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485499351] [2020-10-13 15:52:45,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:52:45,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:52:45,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:52:45,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:52:45,908 INFO L87 Difference]: Start difference. First operand 625 states and 849 transitions. Second operand 10 states. [2020-10-13 15:52:47,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:52:47,375 INFO L93 Difference]: Finished difference Result 1412 states and 2010 transitions. [2020-10-13 15:52:47,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:52:47,375 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 91 [2020-10-13 15:52:47,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:52:47,381 INFO L225 Difference]: With dead ends: 1412 [2020-10-13 15:52:47,381 INFO L226 Difference]: Without dead ends: 812 [2020-10-13 15:52:47,384 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-10-13 15:52:47,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2020-10-13 15:52:47,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 625. [2020-10-13 15:52:47,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2020-10-13 15:52:47,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 839 transitions. [2020-10-13 15:52:47,444 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 839 transitions. Word has length 91 [2020-10-13 15:52:47,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:52:47,445 INFO L479 AbstractCegarLoop]: Abstraction has 625 states and 839 transitions. [2020-10-13 15:52:47,445 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:52:47,445 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 839 transitions. [2020-10-13 15:52:47,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-13 15:52:47,446 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:52:47,446 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] [2020-10-13 15:52:47,447 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 15:52:47,447 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:52:47,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:52:47,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1220162161, now seen corresponding path program 1 times [2020-10-13 15:52:47,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:52:47,448 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [950767738] [2020-10-13 15:52:47,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:52:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:47,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:47,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:47,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:47,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:47,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:47,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:49,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:49,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-13 15:52:49,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 15:52:49,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2355 [2020-10-13 15:52:49,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:49,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:52:49,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:52:49,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-13 15:52:49,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:49,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:52:49,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:49,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:49,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:49,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:49,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:49,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:52:49,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:49,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:49,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:49,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:52:49,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:49,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:52:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:49,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:49,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:49,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:49,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:49,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:52:49,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:49,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:49,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:49,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:52:49,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:49,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:52:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:49,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:49,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:49,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:52:49,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:49,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:49,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:49,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:49,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:49,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:52:49,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:49,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:52:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:49,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:49,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:49,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:52:49,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:49,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:52:49,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:49,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:49,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:49,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:52:49,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:49,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:52:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:49,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:49,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:49,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:52:49,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:49,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:52:49,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:49,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:52:49,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:52:49,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 15:52:49,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:49,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:52:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:50,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:50,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:50,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:52:50,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:50,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 15:52:50,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:50,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:50,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-13 15:52:50,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:50,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:50,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:52:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:50,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:50,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:50,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:50,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:50,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:50,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:50,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:50,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:50,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:50,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:50,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:52:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:50,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:50,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:50,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:50,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:50,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:52:50,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:50,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:50,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:50,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:50,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 15:52:50,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:52:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:50,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:50,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:50,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:50,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:50,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:50,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:50,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:50,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:50,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:50,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:50,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:52:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:50,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:50,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:50,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:52:50,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:50,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:52:50,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:50,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:50,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-13 15:52:50,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:50,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:52:50,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:52:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:50,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:50,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:50,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:52:50,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:50,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:50,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:50,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:50,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:52:50,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:50,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:50,095 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 15:52:50,096 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [950767738] [2020-10-13 15:52:50,096 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:52:50,096 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:52:50,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531666568] [2020-10-13 15:52:50,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:52:50,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:52:50,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:52:50,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:52:50,099 INFO L87 Difference]: Start difference. First operand 625 states and 839 transitions. Second operand 10 states. [2020-10-13 15:52:51,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:52:51,513 INFO L93 Difference]: Finished difference Result 1406 states and 1974 transitions. [2020-10-13 15:52:51,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:52:51,515 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 91 [2020-10-13 15:52:51,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:52:51,523 INFO L225 Difference]: With dead ends: 1406 [2020-10-13 15:52:51,523 INFO L226 Difference]: Without dead ends: 806 [2020-10-13 15:52:51,527 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-10-13 15:52:51,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2020-10-13 15:52:51,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 625. [2020-10-13 15:52:51,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2020-10-13 15:52:51,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 829 transitions. [2020-10-13 15:52:51,591 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 829 transitions. Word has length 91 [2020-10-13 15:52:51,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:52:51,592 INFO L479 AbstractCegarLoop]: Abstraction has 625 states and 829 transitions. [2020-10-13 15:52:51,592 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:52:51,592 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 829 transitions. [2020-10-13 15:52:51,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-13 15:52:51,594 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:52:51,595 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] [2020-10-13 15:52:51,595 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 15:52:51,595 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:52:51,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:52:51,595 INFO L82 PathProgramCache]: Analyzing trace with hash -505464655, now seen corresponding path program 1 times [2020-10-13 15:52:51,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:52:51,596 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1576605908] [2020-10-13 15:52:51,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:52:51,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:51,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:51,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:51,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:51,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:52,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:53,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:53,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-13 15:52:53,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 15:52:53,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1773 [2020-10-13 15:52:53,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:53,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 15:52:53,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-13 15:52:53,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-13 15:52:53,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:53,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:52:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:53,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:53,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:53,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:53,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:53,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:53,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:53,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:53,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:53,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:53,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:53,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:52:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:53,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:53,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:53,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:53,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:53,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:53,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:53,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:53,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:53,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:53,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:53,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:52:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:53,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:53,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:53,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:52:53,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:53,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:53,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:53,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:53,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:53,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:53,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:53,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:52:53,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:53,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:53,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:53,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:52:53,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:53,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:52:53,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:53,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:53,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:53,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:53,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:53,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:52:53,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:53,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:53,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:53,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:52:53,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:53,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:53,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:53,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:53,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:53,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:53,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:53,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:52:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:53,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:53,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:53,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:52:53,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:53,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:52:53,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:53,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:53,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:53,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 15:52:53,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:53,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:52:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:53,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:53,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:53,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:53,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:53,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:53,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:53,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:53,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:53,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:53,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:53,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:52:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:53,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:53,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:53,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:53,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:53,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:53,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:53,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:53,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:53,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:53,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:53,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:52:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:53,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:53,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:53,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:53,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:53,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:53,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:53,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:53,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:53,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 15:52:53,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:53,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:52:53,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:53,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:53,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:53,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:52:53,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:53,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:52:53,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:53,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:53,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:53,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 15:52:53,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:53,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:52:53,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:53,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:53,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:53,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:52:53,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:53,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:52:53,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:53,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:53,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:53,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:52:53,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:53,558 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 15:52:53,558 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1576605908] [2020-10-13 15:52:53,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:52:53,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 15:52:53,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739543538] [2020-10-13 15:52:53,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 15:52:53,559 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:52:53,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 15:52:53,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 15:52:53,560 INFO L87 Difference]: Start difference. First operand 625 states and 829 transitions. Second operand 7 states. [2020-10-13 15:52:55,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:52:55,584 INFO L93 Difference]: Finished difference Result 2138 states and 3171 transitions. [2020-10-13 15:52:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 15:52:55,585 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2020-10-13 15:52:55,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:52:55,596 INFO L225 Difference]: With dead ends: 2138 [2020-10-13 15:52:55,596 INFO L226 Difference]: Without dead ends: 1540 [2020-10-13 15:52:55,600 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 26 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:52:55,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1540 states. [2020-10-13 15:52:55,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1540 to 1240. [2020-10-13 15:52:55,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1240 states. [2020-10-13 15:52:55,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1240 states and 1736 transitions. [2020-10-13 15:52:55,725 INFO L78 Accepts]: Start accepts. Automaton has 1240 states and 1736 transitions. Word has length 91 [2020-10-13 15:52:55,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:52:55,725 INFO L479 AbstractCegarLoop]: Abstraction has 1240 states and 1736 transitions. [2020-10-13 15:52:55,726 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 15:52:55,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1736 transitions. [2020-10-13 15:52:55,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-13 15:52:55,728 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:52:55,729 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:52:55,729 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 15:52:55,729 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:52:55,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:52:55,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1741061225, now seen corresponding path program 1 times [2020-10-13 15:52:55,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:52:55,730 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2041727223] [2020-10-13 15:52:55,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:52:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:55,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:55,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:55,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:55,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:56,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:56,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:57,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:57,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:57,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:58,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:58,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-13 15:52:58,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 15:52:58,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3163 [2020-10-13 15:52:58,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:58,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:58,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 15:52:58,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 15:52:58,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:58,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:52:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:58,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:58,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:58,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:58,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:58,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:52:58,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:58,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:58,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:58,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:58,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:58,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:52:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:58,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:58,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:58,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:58,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:58,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:58,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:58,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:58,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:58,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:52:58,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:58,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:52:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:58,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:58,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:58,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:52:58,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:58,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:58,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:58,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:58,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:58,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:52:58,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:58,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:52:58,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:58,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:58,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:58,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:52:58,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:58,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:52:58,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:58,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:58,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 15:52:58,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:52:58,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:59,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:52:59,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:59,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:59,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:59,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:52:59,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:59,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:59,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:59,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:59,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-13 15:52:59,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:59,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:59,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:52:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:59,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:59,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:59,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:52:59,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:59,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:52:59,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:59,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:59,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-13 15:52:59,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:59,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:59,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:52:59,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:59,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:59,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:59,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:59,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:59,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:59,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:59,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:59,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:59,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:59,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:59,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:52:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:59,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:59,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:59,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:59,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:59,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:59,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:59,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:59,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:59,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:59,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:59,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:52:59,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:59,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:59,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:59,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:59,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:59,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:59,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:59,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:59,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:59,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:59,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:59,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:52:59,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:59,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:59,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:59,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:52:59,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:59,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:59,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:59,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:59,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-13 15:52:59,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:59,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:59,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:52:59,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:59,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:59,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:59,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:52:59,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:59,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:59,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:59,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:59,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:52:59,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:59,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:59,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-13 15:52:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:59,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:59,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:59,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:52:59,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:59,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:52:59,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:59,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:59,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:52:59,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:59,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:59,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 15:52:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:59,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:59,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:59,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:52:59,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:59,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:59,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:59,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:59,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:52:59,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:59,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:59,085 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-13 15:52:59,085 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2041727223] [2020-10-13 15:52:59,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:52:59,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:52:59,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786479514] [2020-10-13 15:52:59,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:52:59,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:52:59,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:52:59,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:52:59,086 INFO L87 Difference]: Start difference. First operand 1240 states and 1736 transitions. Second operand 9 states. [2020-10-13 15:53:00,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:53:00,789 INFO L93 Difference]: Finished difference Result 2928 states and 4381 transitions. [2020-10-13 15:53:00,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 15:53:00,789 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 111 [2020-10-13 15:53:00,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:53:00,802 INFO L225 Difference]: With dead ends: 2928 [2020-10-13 15:53:00,802 INFO L226 Difference]: Without dead ends: 1710 [2020-10-13 15:53:00,808 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2020-10-13 15:53:00,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1710 states. [2020-10-13 15:53:00,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1710 to 1310. [2020-10-13 15:53:00,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1310 states. [2020-10-13 15:53:00,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1310 states and 1901 transitions. [2020-10-13 15:53:00,964 INFO L78 Accepts]: Start accepts. Automaton has 1310 states and 1901 transitions. Word has length 111 [2020-10-13 15:53:00,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:53:00,965 INFO L479 AbstractCegarLoop]: Abstraction has 1310 states and 1901 transitions. [2020-10-13 15:53:00,965 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:53:00,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 1901 transitions. [2020-10-13 15:53:00,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-13 15:53:00,967 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:53:00,967 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:53:00,968 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 15:53:00,968 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:53:00,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:53:00,968 INFO L82 PathProgramCache]: Analyzing trace with hash 389676007, now seen corresponding path program 1 times [2020-10-13 15:53:00,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:53:00,969 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1217738855] [2020-10-13 15:53:00,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:53:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:01,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:01,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:01,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:01,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:02,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:02,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-13 15:53:02,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 15:53:02,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1103 [2020-10-13 15:53:02,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:02,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:02,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-13 15:53:02,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 15:53:02,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:02,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:53:02,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:02,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:02,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:02,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:53:02,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:02,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:02,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:02,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:02,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:02,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:02,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:02,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:53:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:02,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:02,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:02,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:53:02,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:02,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:02,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:02,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:02,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:02,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:02,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:02,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:53:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:02,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:02,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:02,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:53:02,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:02,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:02,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:02,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:02,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:02,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:02,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:02,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:53:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:02,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:02,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:02,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:02,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:02,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:02,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:02,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:02,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:02,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:02,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:02,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:53:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:02,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:02,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:02,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:53:02,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:02,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:02,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:02,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:02,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:02,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:02,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:02,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:53:02,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:02,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:02,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:02,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:53:02,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:02,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:02,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:02,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:02,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:02,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:02,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:02,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:53:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:02,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:02,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:02,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:02,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:02,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:02,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:02,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:02,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:02,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:02,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:02,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:53:02,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:02,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:02,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:02,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:02,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:02,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:02,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:02,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:02,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:02,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:02,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:02,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:53:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:02,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:02,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:02,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:02,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:02,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:02,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:02,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:02,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:02,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:02,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:02,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:53:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:02,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:02,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:02,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:53:02,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:02,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:02,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:02,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:02,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:02,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:02,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:02,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:53:02,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:02,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:02,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:02,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:02,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:02,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:02,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:02,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:02,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:02,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:02,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:02,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-13 15:53:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:02,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:02,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:02,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:02,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:02,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:02,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:02,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:02,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:02,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:53:02,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:02,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 15:53:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:02,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:02,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:02,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:02,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:02,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:02,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:02,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:02,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:02,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:53:02,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:02,264 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-13 15:53:02,264 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1217738855] [2020-10-13 15:53:02,265 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:53:02,265 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 15:53:02,265 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494351505] [2020-10-13 15:53:02,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 15:53:02,266 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:53:02,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 15:53:02,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 15:53:02,266 INFO L87 Difference]: Start difference. First operand 1310 states and 1901 transitions. Second operand 8 states. [2020-10-13 15:53:04,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:53:04,991 INFO L93 Difference]: Finished difference Result 4140 states and 6457 transitions. [2020-10-13 15:53:04,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 15:53:04,992 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 111 [2020-10-13 15:53:04,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:53:05,008 INFO L225 Difference]: With dead ends: 4140 [2020-10-13 15:53:05,008 INFO L226 Difference]: Without dead ends: 2091 [2020-10-13 15:53:05,023 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:53:05,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2091 states. [2020-10-13 15:53:05,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2091 to 1643. [2020-10-13 15:53:05,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1643 states. [2020-10-13 15:53:05,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1643 states and 2367 transitions. [2020-10-13 15:53:05,276 INFO L78 Accepts]: Start accepts. Automaton has 1643 states and 2367 transitions. Word has length 111 [2020-10-13 15:53:05,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:53:05,279 INFO L479 AbstractCegarLoop]: Abstraction has 1643 states and 2367 transitions. [2020-10-13 15:53:05,279 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 15:53:05,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1643 states and 2367 transitions. [2020-10-13 15:53:05,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-13 15:53:05,286 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:53:05,287 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:53:05,287 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 15:53:05,287 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:53:05,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:53:05,288 INFO L82 PathProgramCache]: Analyzing trace with hash 762463073, now seen corresponding path program 1 times [2020-10-13 15:53:05,288 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:53:05,288 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [250874631] [2020-10-13 15:53:05,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:53:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:05,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:05,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:05,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:05,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:05,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:05,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:06,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:10,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:10,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-13 15:53:10,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 15:53:10,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 15:53:10,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:10,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:10,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 113 [2020-10-13 15:53:10,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 15:53:10,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:10,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:53:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:10,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:10,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:10,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:53:10,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:10,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:53:10,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:10,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:10,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:10,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:10,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:53:10,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:53:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:10,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:10,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:10,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:53:10,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:10,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:10,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:10,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:10,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:10,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:10,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:53:10,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:53:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:10,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:10,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:10,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:53:10,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:10,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:10,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:10,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:10,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:10,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:10,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:53:10,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:53:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:10,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:10,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:10,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:10,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:10,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:10,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:10,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:10,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:10,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:10,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:53:10,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:53:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:10,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:10,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:10,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:53:10,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:10,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:10,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:10,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:10,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:10,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:10,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:53:10,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:53:10,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:10,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:10,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:10,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:53:10,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:10,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:53:10,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:10,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:10,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:10,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:10,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:53:10,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:53:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:10,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:10,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:10,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:10,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:10,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:10,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:10,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:10,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:10,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:10,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:53:10,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:53:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:10,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:10,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:10,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:10,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:10,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:10,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:10,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:10,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:10,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:10,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:53:10,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:53:10,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:10,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:10,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:10,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:10,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:10,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:10,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:10,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:10,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:10,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:10,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:53:10,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:53:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:10,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:10,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:10,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:53:10,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:10,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:53:10,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:10,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:10,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:10,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:10,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:53:10,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:53:10,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:10,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:10,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:10,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:10,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:10,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:10,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:10,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:10,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:10,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:10,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:10,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-13 15:53:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:10,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:10,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:10,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:10,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:10,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:53:10,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:10,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:10,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:10,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:53:10,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:53:10,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 15:53:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:10,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:10,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:10,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:10,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:10,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:53:10,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:10,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:10,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:10,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:53:10,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:53:10,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 15:53:10,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:10,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:10,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:10,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:10,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 15:53:10,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 15:53:10,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 15:53:10,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:10,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:10,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 15:53:10,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:10,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:10,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:53:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:10,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:10,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:10,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 15:53:10,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:10,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:53:10,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:10,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:10,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:10,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:10,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:10,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:53:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:10,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:10,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:10,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:53:10,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:10,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:53:10,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:10,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:10,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:10,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:10,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:10,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:53:10,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:10,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:10,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:10,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:10,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:10,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:10,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:10,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:10,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:10,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:10,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:10,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:53:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:10,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:10,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:10,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:10,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:10,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:10,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:10,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:10,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:10,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:10,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:10,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:53:10,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:10,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:10,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:10,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:10,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:10,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:10,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:10,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:10,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:10,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:10,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:10,718 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-10-13 15:53:10,719 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [250874631] [2020-10-13 15:53:10,719 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:53:10,719 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:53:10,719 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898319427] [2020-10-13 15:53:10,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:53:10,720 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:53:10,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:53:10,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:53:10,721 INFO L87 Difference]: Start difference. First operand 1643 states and 2367 transitions. Second operand 9 states. [2020-10-13 15:53:13,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:53:13,295 INFO L93 Difference]: Finished difference Result 5587 states and 8988 transitions. [2020-10-13 15:53:13,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 15:53:13,295 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2020-10-13 15:53:13,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:53:13,324 INFO L225 Difference]: With dead ends: 5587 [2020-10-13 15:53:13,324 INFO L226 Difference]: Without dead ends: 3966 [2020-10-13 15:53:13,337 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2020-10-13 15:53:13,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3966 states. [2020-10-13 15:53:13,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3966 to 3209. [2020-10-13 15:53:13,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3209 states. [2020-10-13 15:53:13,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3209 states to 3209 states and 4879 transitions. [2020-10-13 15:53:13,794 INFO L78 Accepts]: Start accepts. Automaton has 3209 states and 4879 transitions. Word has length 155 [2020-10-13 15:53:13,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:53:13,795 INFO L479 AbstractCegarLoop]: Abstraction has 3209 states and 4879 transitions. [2020-10-13 15:53:13,795 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:53:13,795 INFO L276 IsEmpty]: Start isEmpty. Operand 3209 states and 4879 transitions. [2020-10-13 15:53:13,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-13 15:53:13,801 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:53:13,802 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:53:13,802 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 15:53:13,802 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:53:13,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:53:13,802 INFO L82 PathProgramCache]: Analyzing trace with hash -362366096, now seen corresponding path program 1 times [2020-10-13 15:53:13,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:53:13,803 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [573434119] [2020-10-13 15:53:13,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:53:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:13,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:13,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:13,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:13,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:14,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:15,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:15,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-13 15:53:15,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 15:53:15,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2153 [2020-10-13 15:53:15,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:15,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:15,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 144 [2020-10-13 15:53:15,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 15:53:15,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:16,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:53:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:16,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:16,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:16,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:53:16,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:16,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:16,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:16,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:16,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:16,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:16,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:16,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:53:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:16,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:16,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:16,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:53:16,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:16,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:16,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:16,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:16,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:16,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:16,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:16,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:53:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:16,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:16,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:16,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:53:16,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:16,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:16,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:16,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:16,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:16,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:16,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:16,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:53:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:16,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:16,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:16,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:16,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:16,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:16,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:16,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:16,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:16,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:16,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:16,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:53:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:16,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:16,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:16,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:53:16,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:16,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:16,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:16,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:16,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:16,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:16,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:16,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:53:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:16,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:16,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:16,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:53:16,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:16,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:16,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:16,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:16,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:16,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:16,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:16,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:53:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:16,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:16,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:16,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:16,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:16,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:16,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:16,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:16,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:16,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:16,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:16,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:53:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:16,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:16,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:16,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:16,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:16,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:16,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:16,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:16,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:16,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:16,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:16,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:53:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:16,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:16,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:16,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:16,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:16,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:16,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:16,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:16,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:16,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:16,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:16,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:53:16,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:16,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:16,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:16,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:53:16,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:16,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:16,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:16,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:16,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:16,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:16,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:16,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:53:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:16,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:16,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:16,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:16,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:16,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:16,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:16,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:16,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:16,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:16,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:16,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 15:53:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:16,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:16,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:16,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:16,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:16,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:16,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:16,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:16,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:16,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:16,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:16,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 15:53:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:16,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:16,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:16,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:16,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:16,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:16,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:16,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:16,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:16,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:16,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:16,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 15:53:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:16,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:16,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:16,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 15:53:16,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:16,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:53:16,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:16,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:16,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 15:53:16,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 15:53:16,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:16,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:53:16,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:16,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:16,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:16,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 15:53:16,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:16,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:53:16,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:16,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:16,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 15:53:16,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 15:53:16,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:16,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:53:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:16,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:16,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:16,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:53:16,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:16,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:53:16,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:16,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:16,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:16,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 15:53:16,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:16,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:53:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:16,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:16,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:16,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:16,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:16,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:16,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:16,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:16,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:16,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:16,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:16,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:53:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:16,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:16,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:16,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:16,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:16,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:16,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:16,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:16,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:16,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 15:53:16,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:16,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:53:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:16,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:16,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:16,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:16,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:16,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:16,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:16,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:16,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:16,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 15:53:16,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:16,211 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-13 15:53:16,211 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [573434119] [2020-10-13 15:53:16,211 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:53:16,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:53:16,212 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888128414] [2020-10-13 15:53:16,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:53:16,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:53:16,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:53:16,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:53:16,213 INFO L87 Difference]: Start difference. First operand 3209 states and 4879 transitions. Second operand 10 states. [2020-10-13 15:53:19,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:53:19,661 INFO L93 Difference]: Finished difference Result 10736 states and 18565 transitions. [2020-10-13 15:53:19,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 15:53:19,662 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 156 [2020-10-13 15:53:19,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:53:19,739 INFO L225 Difference]: With dead ends: 10736 [2020-10-13 15:53:19,739 INFO L226 Difference]: Without dead ends: 7548 [2020-10-13 15:53:19,796 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=147, Invalid=453, Unknown=0, NotChecked=0, Total=600 [2020-10-13 15:53:19,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7548 states. [2020-10-13 15:53:21,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7548 to 6068. [2020-10-13 15:53:21,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6068 states. [2020-10-13 15:53:21,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6068 states to 6068 states and 8995 transitions. [2020-10-13 15:53:21,095 INFO L78 Accepts]: Start accepts. Automaton has 6068 states and 8995 transitions. Word has length 156 [2020-10-13 15:53:21,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:53:21,096 INFO L479 AbstractCegarLoop]: Abstraction has 6068 states and 8995 transitions. [2020-10-13 15:53:21,096 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:53:21,096 INFO L276 IsEmpty]: Start isEmpty. Operand 6068 states and 8995 transitions. [2020-10-13 15:53:21,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2020-10-13 15:53:21,127 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:53:21,128 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:53:21,128 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 15:53:21,129 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:53:21,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:53:21,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1531808644, now seen corresponding path program 1 times [2020-10-13 15:53:21,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:53:21,131 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [804451006] [2020-10-13 15:53:21,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:53:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:21,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:21,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:21,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:21,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:21,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:21,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:21,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 412 [2020-10-13 15:53:26,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 15:53:26,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-13 15:53:26,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:53:26,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 131 [2020-10-13 15:53:26,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:53:26,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:53:26,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:53:26,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:26,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:26,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:53:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:53:26,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:26,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:26,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:53:26,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:53:26,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:26,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:26,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:53:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:26,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:26,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:26,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:53:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:53:26,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:26,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:26,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:53:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:53:26,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:26,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:26,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:53:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:26,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:26,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:26,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:53:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:26,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:26,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:26,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:53:26,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:26,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:26,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:26,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:53:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:53:26,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:26,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:26,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-13 15:53:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 15:53:26,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 15:53:26,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:53:26,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-13 15:53:26,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:53:26,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 15:53:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:26,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:26,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:26,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:53:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:26,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:26,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:26,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 15:53:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:26,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:26,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:53:26,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:26,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:53:26,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 15:53:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:53:26,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:26,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 15:53:26,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-13 15:53:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:53:26,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:26,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-13 15:53:26,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 15:53:26,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:53:26,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:53:26,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-13 15:53:26,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:53:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:26,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:26,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:26,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:53:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:26,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:26,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:26,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:53:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:26,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:26,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:26,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-13 15:53:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:53:26,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:26,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-13 15:53:26,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 15:53:26,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:26,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:26,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:26,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-13 15:53:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:53:26,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:26,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 15:53:26,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:53:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:26,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:26,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:26,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 15:53:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:26,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:26,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:53:26,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-13 15:53:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:26,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:26,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:53:26,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-10-13 15:53:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:26,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:26,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:53:26,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-10-13 15:53:26,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:26,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:26,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:53:26,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-10-13 15:53:26,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 15:53:26,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:53:26,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-13 15:53:26,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:53:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-13 15:53:26,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:53:26,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:26,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:53:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 15:53:26,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:53:26,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:26,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:53:26,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:26,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:26,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:26,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:53:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:26,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:26,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:26,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:53:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:53:26,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:26,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:26,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2020-10-13 15:53:26,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 15:53:26,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:53:26,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 15:53:26,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:53:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 15:53:26,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:26,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:26,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:53:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:53:26,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:26,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:26,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:53:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:26,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:26,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:26,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:53:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:26,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:26,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:26,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:53:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:26,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:26,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:26,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:26,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:26,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:26,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:26,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:26,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:26,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:26,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:26,688 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 37 proven. 12 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2020-10-13 15:53:26,689 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [804451006] [2020-10-13 15:53:26,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 15:53:26,689 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-13 15:53:26,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168747096] [2020-10-13 15:53:26,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 15:53:26,690 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:53:26,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 15:53:26,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:53:26,691 INFO L87 Difference]: Start difference. First operand 6068 states and 8995 transitions. Second operand 14 states. [2020-10-13 15:53:30,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:53:30,001 INFO L93 Difference]: Finished difference Result 12078 states and 18568 transitions. [2020-10-13 15:53:30,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-13 15:53:30,001 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 320 [2020-10-13 15:53:30,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:53:30,042 INFO L225 Difference]: With dead ends: 12078 [2020-10-13 15:53:30,042 INFO L226 Difference]: Without dead ends: 6032 [2020-10-13 15:53:30,068 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 365 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=335, Invalid=1147, Unknown=0, NotChecked=0, Total=1482 [2020-10-13 15:53:30,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6032 states. [2020-10-13 15:53:30,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6032 to 4058. [2020-10-13 15:53:30,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4058 states. [2020-10-13 15:53:30,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4058 states to 4058 states and 5617 transitions. [2020-10-13 15:53:30,501 INFO L78 Accepts]: Start accepts. Automaton has 4058 states and 5617 transitions. Word has length 320 [2020-10-13 15:53:30,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:53:30,502 INFO L479 AbstractCegarLoop]: Abstraction has 4058 states and 5617 transitions. [2020-10-13 15:53:30,502 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 15:53:30,502 INFO L276 IsEmpty]: Start isEmpty. Operand 4058 states and 5617 transitions. [2020-10-13 15:53:30,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2020-10-13 15:53:30,516 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:53:30,517 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:53:30,517 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 15:53:30,517 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:53:30,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:53:30,518 INFO L82 PathProgramCache]: Analyzing trace with hash 895199126, now seen corresponding path program 1 times [2020-10-13 15:53:30,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:53:30,518 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [979020901] [2020-10-13 15:53:30,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:53:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:30,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:30,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:30,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:30,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:30,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:30,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:31,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:31,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:31,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:31,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:31,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:31,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:31,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:31,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 410 [2020-10-13 15:53:35,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-13 15:53:35,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-13 15:53:35,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:53:35,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 185 [2020-10-13 15:53:35,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:53:35,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:53:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:53:35,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:35,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:35,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:53:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:53:35,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:35,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:35,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:53:35,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:53:35,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:35,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:35,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:53:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:35,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:35,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:35,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:53:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:53:35,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:35,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:35,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:53:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:53:35,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:35,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:35,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:53:35,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:35,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:35,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:35,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:53:35,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:35,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:35,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:35,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:53:35,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:35,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:35,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:35,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:53:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:53:35,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:35,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:35,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-13 15:53:35,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 15:53:35,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:53:35,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:35,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 15:53:35,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:35,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:35,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:35,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:53:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:35,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:35,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:35,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:53:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:35,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:35,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:35,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:53:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:53:35,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:35,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:35,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-13 15:53:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:53:35,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:35,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:35,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-13 15:53:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:53:35,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:35,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:35,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-13 15:53:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:53:35,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 15:53:35,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:53:35,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 15:53:35,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:53:35,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:53:35,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:35,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:35,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:35,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:53:35,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:35,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:35,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:53:35,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:35,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:53:35,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:53:35,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:35,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:35,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:35,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-13 15:53:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:53:35,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:35,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-13 15:53:35,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-13 15:53:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:35,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:35,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:53:35,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-13 15:53:35,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 15:53:35,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:35,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 15:53:35,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:53:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:35,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:35,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:35,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-13 15:53:35,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:35,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:35,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:53:35,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-13 15:53:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 15:53:35,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:53:35,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 15:53:35,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:53:35,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 15:53:35,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:53:35,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:35,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:53:35,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:53:35,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:53:35,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:35,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:53:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:35,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:35,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:35,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:53:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:35,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:35,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:35,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:53:35,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:35,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:35,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:35,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-10-13 15:53:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:35,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:35,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:53:35,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2020-10-13 15:53:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:35,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:53:35,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:35,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-10-13 15:53:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 15:53:35,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:53:35,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 15:53:35,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:53:35,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 15:53:35,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:53:35,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:35,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:53:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:53:35,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:53:35,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:35,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:53:35,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:35,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:35,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:35,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-13 15:53:35,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:53:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:36,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:36,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:36,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:36,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:36,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:36,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:36,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:36,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:36,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:36,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:53:36,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:53:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:36,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:36,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:36,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:36,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:36,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:36,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:36,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:36,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:36,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:36,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:36,077 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 42 proven. 20 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-10-13 15:53:36,077 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [979020901] [2020-10-13 15:53:36,078 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 15:53:36,078 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-13 15:53:36,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938593505] [2020-10-13 15:53:36,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 15:53:36,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:53:36,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 15:53:36,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:53:36,080 INFO L87 Difference]: Start difference. First operand 4058 states and 5617 transitions. Second operand 14 states. [2020-10-13 15:53:38,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:53:38,820 INFO L93 Difference]: Finished difference Result 7943 states and 11655 transitions. [2020-10-13 15:53:38,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 15:53:38,821 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 318 [2020-10-13 15:53:38,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:53:38,849 INFO L225 Difference]: With dead ends: 7943 [2020-10-13 15:53:38,849 INFO L226 Difference]: Without dead ends: 5351 [2020-10-13 15:53:38,864 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=209, Invalid=603, Unknown=0, NotChecked=0, Total=812 [2020-10-13 15:53:38,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5351 states. [2020-10-13 15:53:39,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5351 to 4053. [2020-10-13 15:53:39,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4053 states. [2020-10-13 15:53:39,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4053 states to 4053 states and 5611 transitions. [2020-10-13 15:53:39,248 INFO L78 Accepts]: Start accepts. Automaton has 4053 states and 5611 transitions. Word has length 318 [2020-10-13 15:53:39,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:53:39,249 INFO L479 AbstractCegarLoop]: Abstraction has 4053 states and 5611 transitions. [2020-10-13 15:53:39,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 15:53:39,249 INFO L276 IsEmpty]: Start isEmpty. Operand 4053 states and 5611 transitions. [2020-10-13 15:53:39,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-13 15:53:39,261 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:53:39,262 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:53:39,262 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 15:53:39,262 INFO L427 AbstractCegarLoop]: === Iteration 16 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:53:39,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:53:39,263 INFO L82 PathProgramCache]: Analyzing trace with hash 313919264, now seen corresponding path program 1 times [2020-10-13 15:53:39,263 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:53:39,263 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1745368391] [2020-10-13 15:53:39,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:53:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:39,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:39,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:39,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:40,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-13 15:53:40,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 15:53:40,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 932 [2020-10-13 15:53:40,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:40,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:40,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 199 [2020-10-13 15:53:40,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 15:53:40,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:40,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:53:40,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:40,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:40,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:53:40,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:40,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:53:40,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:40,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:40,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:40,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:40,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:40,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:53:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:40,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:40,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:53:40,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:40,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:40,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:40,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:40,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:40,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:40,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:40,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:53:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:40,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:40,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:53:40,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:40,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:40,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:40,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:40,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:40,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:40,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:40,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:53:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:40,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:40,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:40,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:40,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:40,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:40,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:40,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:40,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:40,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:40,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:53:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:40,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:40,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:53:40,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:40,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:40,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:40,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:40,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:40,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:40,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:40,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:53:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:40,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:40,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:53:40,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:40,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:40,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:40,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:40,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:40,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:40,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:40,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:53:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:40,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:40,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:40,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:40,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:40,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:40,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:40,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:40,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:40,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:40,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:53:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:40,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:40,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:40,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:40,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:40,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:40,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:40,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:40,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:40,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:40,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:53:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:40,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:40,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:40,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:40,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:40,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:40,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:40,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:40,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:40,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:40,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:53:40,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:40,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:40,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:53:40,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:40,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:40,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:40,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:40,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:40,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:40,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:40,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:53:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:40,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:40,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:40,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:40,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:40,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:40,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:40,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:40,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:40,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:40,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 15:53:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:40,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:40,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:40,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:40,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:40,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:40,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:40,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:40,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:40,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:40,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 15:53:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:40,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:40,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:40,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:40,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:40,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:40,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:40,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:40,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:40,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:40,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:53:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:40,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:40,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:40,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:40,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:40,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:40,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:40,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:40,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:40,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:40,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-13 15:53:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:40,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:40,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 15:53:40,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:40,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:53:40,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:40,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:40,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:40,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-13 15:53:40,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:40,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:53:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:40,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:40,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-13 15:53:40,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:40,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:40,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:40,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:40,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:40,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:40,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:40,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:53:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:40,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:40,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 15:53:40,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:40,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:40,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:40,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:40,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:40,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:40,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:40,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:53:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:40,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:40,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:40,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:40,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:40,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:40,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:40,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:40,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:40,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:40,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:53:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:40,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:40,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:40,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:40,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:40,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:40,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:40,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:40,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:40,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:40,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:53:40,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:40,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:40,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:53:40,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:40,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:40,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:40,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:40,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:40,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:40,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:40,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-13 15:53:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:40,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:40,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 15:53:40,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:40,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:53:40,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:40,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:40,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 15:53:40,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-13 15:53:40,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:40,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:53:40,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:40,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:40,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 15:53:40,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:40,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:53:40,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:40,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:40,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:40,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 15:53:40,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:40,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:53:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:40,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:40,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:53:40,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:40,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:53:40,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:40,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:40,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:40,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:53:40,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:40,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:53:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:40,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:40,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:40,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:40,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:40,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:40,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:40,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:40,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 15:53:40,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:40,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:53:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:40,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:40,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:40,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:40,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:40,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:40,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:40,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:40,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 15:53:40,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:40,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:53:40,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:40,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:40,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:40,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:40,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:40,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:40,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:40,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:40,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:40,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 15:53:40,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:40,529 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-13 15:53:40,530 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1745368391] [2020-10-13 15:53:40,530 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:53:40,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 15:53:40,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092533275] [2020-10-13 15:53:40,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 15:53:40,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:53:40,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 15:53:40,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-13 15:53:40,532 INFO L87 Difference]: Start difference. First operand 4053 states and 5611 transitions. Second operand 11 states. [2020-10-13 15:53:43,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:53:43,094 INFO L93 Difference]: Finished difference Result 8884 states and 12368 transitions. [2020-10-13 15:53:43,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-13 15:53:43,095 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 206 [2020-10-13 15:53:43,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:53:43,115 INFO L225 Difference]: With dead ends: 8884 [2020-10-13 15:53:43,116 INFO L226 Difference]: Without dead ends: 4865 [2020-10-13 15:53:43,132 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=169, Invalid=533, Unknown=0, NotChecked=0, Total=702 [2020-10-13 15:53:43,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4865 states. [2020-10-13 15:53:43,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4865 to 4052. [2020-10-13 15:53:43,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4052 states. [2020-10-13 15:53:43,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4052 states to 4052 states and 5241 transitions. [2020-10-13 15:53:43,550 INFO L78 Accepts]: Start accepts. Automaton has 4052 states and 5241 transitions. Word has length 206 [2020-10-13 15:53:43,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:53:43,551 INFO L479 AbstractCegarLoop]: Abstraction has 4052 states and 5241 transitions. [2020-10-13 15:53:43,551 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 15:53:43,551 INFO L276 IsEmpty]: Start isEmpty. Operand 4052 states and 5241 transitions. [2020-10-13 15:53:43,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-13 15:53:43,556 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:53:43,556 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:53:43,557 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 15:53:43,557 INFO L427 AbstractCegarLoop]: === Iteration 17 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:53:43,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:53:43,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1643099485, now seen corresponding path program 1 times [2020-10-13 15:53:43,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:53:43,558 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1691868919] [2020-10-13 15:53:43,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:53:43,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:43,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:43,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:43,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:43,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-13 15:53:45,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 15:53:45,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1486 [2020-10-13 15:53:45,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:45,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 197 [2020-10-13 15:53:45,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 15:53:45,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:53:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:53:45,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:45,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:45,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:45,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:45,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:53:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:53:45,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:45,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:45,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:45,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:45,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:53:45,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:53:45,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:45,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:45,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:45,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:45,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:53:45,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:45,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:45,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:45,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:45,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:45,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:53:45,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:53:45,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:45,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:45,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:45,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:45,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:53:45,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:53:45,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:45,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:45,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:45,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:45,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:53:45,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:45,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:45,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:45,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:45,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:45,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:53:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:45,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:45,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:45,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:45,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:45,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:53:45,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:45,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:45,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:45,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:45,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:45,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:53:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:53:45,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:45,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:45,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:45,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:45,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:53:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:45,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:45,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:45,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:45,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:45,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 15:53:45,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:45,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:45,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:45,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:45,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:45,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 15:53:45,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:45,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:45,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:45,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:45,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:45,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:53:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:45,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:45,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:45,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:45,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:45,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-13 15:53:45,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 15:53:45,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 15:53:45,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:45,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:45,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-13 15:53:45,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:53:45,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-13 15:53:45,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:53:45,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:45,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:45,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:45,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:53:45,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 15:53:45,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:53:45,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:45,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:45,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:45,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:53:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:45,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:45,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:45,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:45,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:45,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:53:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:45,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:45,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:45,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:45,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:45,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:53:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:53:45,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:45,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:45,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:45,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:45,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-13 15:53:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 15:53:45,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 15:53:45,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:45,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 15:53:45,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 15:53:45,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:53:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 15:53:45,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:53:45,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:45,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:45,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 15:53:45,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:53:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:53:45,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:53:45,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:45,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:45,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 15:53:45,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:53:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:45,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:45,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:45,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:45,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:45,405 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 10 [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 15:53:45,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:45,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:53:45,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:45,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:45,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:53:45,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:53:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:45,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:45,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:45,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:45,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:45,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:45,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:45,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:45,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:45,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 15:53:45,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:45,461 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-13 15:53:45,461 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1691868919] [2020-10-13 15:53:45,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:53:45,462 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 15:53:45,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326551127] [2020-10-13 15:53:45,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 15:53:45,464 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:53:45,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 15:53:45,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-13 15:53:45,464 INFO L87 Difference]: Start difference. First operand 4052 states and 5241 transitions. Second operand 11 states. [2020-10-13 15:53:47,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:53:47,302 INFO L93 Difference]: Finished difference Result 7399 states and 9516 transitions. [2020-10-13 15:53:47,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 15:53:47,304 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 206 [2020-10-13 15:53:47,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:53:47,315 INFO L225 Difference]: With dead ends: 7399 [2020-10-13 15:53:47,315 INFO L226 Difference]: Without dead ends: 3373 [2020-10-13 15:53:47,322 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=141, Invalid=411, Unknown=0, NotChecked=0, Total=552 [2020-10-13 15:53:47,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3373 states. [2020-10-13 15:53:47,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3373 to 3017. [2020-10-13 15:53:47,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3017 states. [2020-10-13 15:53:47,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 3677 transitions. [2020-10-13 15:53:47,701 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 3677 transitions. Word has length 206 [2020-10-13 15:53:47,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:53:47,701 INFO L479 AbstractCegarLoop]: Abstraction has 3017 states and 3677 transitions. [2020-10-13 15:53:47,701 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 15:53:47,701 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 3677 transitions. [2020-10-13 15:53:47,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-13 15:53:47,705 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:53:47,706 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:53:47,706 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 15:53:47,706 INFO L427 AbstractCegarLoop]: === Iteration 18 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:53:47,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:53:47,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1167757517, now seen corresponding path program 1 times [2020-10-13 15:53:47,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:53:47,707 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1700524771] [2020-10-13 15:53:47,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:53:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:47,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:47,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:48,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:48,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-10-13 15:53:48,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 15:53:48,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-10-13 15:53:48,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:48,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:48,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-13 15:53:48,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-13 15:53:48,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:48,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:53:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:48,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:48,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:48,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:53:48,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:48,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:48,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:48,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:48,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:48,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:48,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:48,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:53:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:48,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:48,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:48,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:53:48,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:48,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:48,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:48,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:48,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:48,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:48,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:48,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:53:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:48,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:48,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:48,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:53:48,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:48,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:48,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:48,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:48,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:48,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:48,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:48,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:53:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:48,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:48,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:48,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:48,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:48,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:48,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:48,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:48,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:48,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:48,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:48,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:53:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:48,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:48,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:48,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:53:48,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:48,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:48,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:48,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:48,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:48,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:48,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:48,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:53:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:48,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:48,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:48,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:53:48,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:48,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:48,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:48,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:48,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:48,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:48,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:48,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:53:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:48,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:48,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:48,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:48,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:48,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:48,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:48,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:48,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:48,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:48,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:48,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:53:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:48,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:48,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:48,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:48,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:48,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:48,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:48,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:48,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:48,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:48,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:48,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:53:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:48,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:48,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:48,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:48,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:48,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:48,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:48,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:48,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:48,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:48,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:48,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:53:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:48,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:48,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:48,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:53:48,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:48,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:48,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:48,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:48,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:48,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:53:48,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:48,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:53:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:48,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:48,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:48,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:48,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:48,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:48,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:48,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:48,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:48,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:53:48,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:48,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 15:53:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:48,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:48,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:48,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:48,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:48,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:48,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:48,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:48,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:48,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:53:48,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:48,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 15:53:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:48,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:48,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:48,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:48,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:48,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:48,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:48,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:48,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:48,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:53:48,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:48,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:53:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:48,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:48,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:48,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:48,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:48,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:48,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:48,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:48,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:48,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:53:48,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:48,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-13 15:53:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:48,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:48,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:48,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 15:53:48,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:48,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:53:48,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:48,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:48,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:48,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 15:53:48,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:48,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:53:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:48,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:48,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:48,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-13 15:53:48,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:48,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:48,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:48,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:48,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:48,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:48,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:48,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:53:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:48,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:48,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:48,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 15:53:48,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:48,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:48,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:48,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:48,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:48,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:48,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:48,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:53:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:48,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:48,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:48,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:48,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:48,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:48,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:48,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:48,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:48,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:48,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:48,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:53:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:48,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:48,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:48,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:48,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:48,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:48,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:48,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:48,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:48,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:48,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:48,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:53:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:48,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:48,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:48,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:53:48,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:48,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:48,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:48,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:48,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:48,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:48,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:48,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-13 15:53:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:48,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:48,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:48,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 15:53:48,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:48,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:53:48,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:48,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:48,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 15:53:48,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-13 15:53:48,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:48,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:53:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:48,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:48,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:48,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-13 15:53:48,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:48,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:53:48,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:48,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:48,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:48,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 15:53:48,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:48,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:53:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:48,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:48,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:48,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 15:53:48,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:48,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:53:48,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:48,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:48,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:48,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 15:53:48,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:48,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:53:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:48,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:48,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:48,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:48,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:48,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:48,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:48,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:48,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:48,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:53:48,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:48,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:53:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:48,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:48,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:48,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:53:48,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:48,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:48,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:48,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:48,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:48,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 15:53:48,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:48,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 15:53:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:48,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:48,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:48,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:48,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:48,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:48,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:48,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:53:48,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:48,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 15:53:48,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:48,336 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-13 15:53:48,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1700524771] [2020-10-13 15:53:48,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:53:48,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 15:53:48,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912198706] [2020-10-13 15:53:48,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 15:53:48,337 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:53:48,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 15:53:48,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-13 15:53:48,338 INFO L87 Difference]: Start difference. First operand 3017 states and 3677 transitions. Second operand 11 states. [2020-10-13 15:53:50,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:53:50,111 INFO L93 Difference]: Finished difference Result 4957 states and 6144 transitions. [2020-10-13 15:53:50,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-13 15:53:50,111 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 207 [2020-10-13 15:53:50,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:53:50,122 INFO L225 Difference]: With dead ends: 4957 [2020-10-13 15:53:50,122 INFO L226 Difference]: Without dead ends: 3366 [2020-10-13 15:53:50,127 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2020-10-13 15:53:50,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3366 states. [2020-10-13 15:53:50,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3366 to 3176. [2020-10-13 15:53:50,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3176 states. [2020-10-13 15:53:50,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3176 states to 3176 states and 3772 transitions. [2020-10-13 15:53:50,390 INFO L78 Accepts]: Start accepts. Automaton has 3176 states and 3772 transitions. Word has length 207 [2020-10-13 15:53:50,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:53:50,390 INFO L479 AbstractCegarLoop]: Abstraction has 3176 states and 3772 transitions. [2020-10-13 15:53:50,390 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 15:53:50,390 INFO L276 IsEmpty]: Start isEmpty. Operand 3176 states and 3772 transitions. [2020-10-13 15:53:50,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-10-13 15:53:50,392 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:53:50,393 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:53:50,393 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 15:53:50,393 INFO L427 AbstractCegarLoop]: === Iteration 19 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:53:50,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:53:50,393 INFO L82 PathProgramCache]: Analyzing trace with hash 89354437, now seen corresponding path program 1 times [2020-10-13 15:53:50,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:53:50,394 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1880489074] [2020-10-13 15:53:50,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:53:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-13 15:53:50,407 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-13 15:53:50,407 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-13 15:53:50,411 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-13 15:53:50,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 03:53:50 BoogieIcfgContainer [2020-10-13 15:53:50,448 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 15:53:50,450 INFO L168 Benchmark]: Toolchain (without parser) took 112379.07 ms. Allocated memory was 149.4 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 104.9 MB in the beginning and 218.4 MB in the end (delta: -113.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-10-13 15:53:50,451 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 149.4 MB. Free memory was 124.0 MB in the beginning and 123.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 15:53:50,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 496.63 ms. Allocated memory was 149.4 MB in the beginning and 205.5 MB in the end (delta: 56.1 MB). Free memory was 104.7 MB in the beginning and 181.6 MB in the end (delta: -76.9 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2020-10-13 15:53:50,452 INFO L168 Benchmark]: Boogie Preprocessor took 46.22 ms. Allocated memory is still 205.5 MB. Free memory was 181.6 MB in the beginning and 179.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-10-13 15:53:50,452 INFO L168 Benchmark]: RCFGBuilder took 583.02 ms. Allocated memory is still 205.5 MB. Free memory was 179.1 MB in the beginning and 142.9 MB in the end (delta: 36.1 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB. [2020-10-13 15:53:50,453 INFO L168 Benchmark]: TraceAbstraction took 111246.00 ms. Allocated memory was 205.5 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 142.9 MB in the beginning and 218.4 MB in the end (delta: -75.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-10-13 15:53:50,456 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 149.4 MB. Free memory was 124.0 MB in the beginning and 123.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 496.63 ms. Allocated memory was 149.4 MB in the beginning and 205.5 MB in the end (delta: 56.1 MB). Free memory was 104.7 MB in the beginning and 181.6 MB in the end (delta: -76.9 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.22 ms. Allocated memory is still 205.5 MB. Free memory was 181.6 MB in the beginning and 179.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 583.02 ms. Allocated memory is still 205.5 MB. Free memory was 179.1 MB in the beginning and 142.9 MB in the end (delta: 36.1 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 111246.00 ms. Allocated memory was 205.5 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 142.9 MB in the beginning and 218.4 MB in the end (delta: -75.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 11]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L15] int m_pc = 0; [L16] int t1_pc = 0; [L17] int t2_pc = 0; [L18] int m_st ; [L19] int t1_st ; [L20] int t2_st ; [L21] int m_i ; [L22] int t1_i ; [L23] int t2_i ; [L24] int M_E = 2; [L25] int T1_E = 2; [L26] int T2_E = 2; [L27] int E_1 = 2; [L28] int E_2 = 2; [L563] int __retres1 ; [L567] CALL init_model() [L477] m_i = 1 [L478] t1_i = 1 [L479] t2_i = 1 [L567] RET init_model() [L568] CALL start_simulation() [L504] int kernel_st ; [L505] int tmp ; [L506] int tmp___0 ; [L510] kernel_st = 0 [L511] FCALL update_channels() [L512] CALL init_threads() [L211] COND TRUE m_i == 1 [L212] m_st = 0 [L216] COND TRUE t1_i == 1 [L217] t1_st = 0 [L221] COND TRUE t2_i == 1 [L222] t2_st = 0 [L512] RET init_threads() [L513] CALL fire_delta_events() [L324] COND FALSE !(M_E == 0) [L329] COND FALSE !(T1_E == 0) [L334] COND FALSE !(T2_E == 0) [L339] COND FALSE !(E_1 == 0) [L344] COND FALSE !(E_2 == 0) [L513] RET fire_delta_events() [L514] CALL activate_threads() [L387] int tmp ; [L388] int tmp___0 ; [L389] int tmp___1 ; [L393] CALL, EXPR is_master_triggered() [L143] int __retres1 ; [L146] COND FALSE !(m_pc == 1) [L156] __retres1 = 0 [L158] return (__retres1); [L393] RET, EXPR is_master_triggered() [L393] tmp = is_master_triggered() [L395] COND FALSE !(\read(tmp)) [L401] CALL, EXPR is_transmit1_triggered() [L162] int __retres1 ; [L165] COND FALSE !(t1_pc == 1) [L175] __retres1 = 0 [L177] return (__retres1); [L401] RET, EXPR is_transmit1_triggered() [L401] tmp___0 = is_transmit1_triggered() [L403] COND FALSE !(\read(tmp___0)) [L409] CALL, EXPR is_transmit2_triggered() [L181] int __retres1 ; [L184] COND FALSE !(t2_pc == 1) [L194] __retres1 = 0 [L196] return (__retres1); [L409] RET, EXPR is_transmit2_triggered() [L409] tmp___1 = is_transmit2_triggered() [L411] COND FALSE !(\read(tmp___1)) [L514] RET activate_threads() [L515] CALL reset_delta_events() [L357] COND FALSE !(M_E == 1) [L362] COND FALSE !(T1_E == 1) [L367] COND FALSE !(T2_E == 1) [L372] COND FALSE !(E_1 == 1) [L377] COND FALSE !(E_2 == 1) [L515] RET reset_delta_events() [L518] COND TRUE 1 [L521] kernel_st = 1 [L522] CALL eval() [L257] int tmp ; [L261] COND TRUE 1 [L264] CALL, EXPR exists_runnable_thread() [L231] int __retres1 ; [L234] COND TRUE m_st == 0 [L235] __retres1 = 1 [L252] return (__retres1); [L264] RET, EXPR exists_runnable_thread() [L264] tmp = exists_runnable_thread() [L266] COND TRUE \read(tmp) [L271] COND TRUE m_st == 0 [L272] int tmp_ndt_1; [L273] tmp_ndt_1 = __VERIFIER_nondet_int() [L274] COND FALSE !(\read(tmp_ndt_1)) [L285] COND TRUE t1_st == 0 [L286] int tmp_ndt_2; [L287] tmp_ndt_2 = __VERIFIER_nondet_int() [L288] COND TRUE \read(tmp_ndt_2) [L290] t1_st = 1 [L291] CALL transmit1() [L78] COND TRUE t1_pc == 0 [L89] COND TRUE 1 [L91] t1_pc = 1 [L92] t1_st = 2 [L291] RET transmit1() [L299] COND TRUE t2_st == 0 [L300] int tmp_ndt_3; [L301] tmp_ndt_3 = __VERIFIER_nondet_int() [L302] COND TRUE \read(tmp_ndt_3) [L304] t2_st = 1 [L305] CALL transmit2() [L113] COND TRUE t2_pc == 0 [L124] COND TRUE 1 [L126] t2_pc = 1 [L127] t2_st = 2 [L305] RET transmit2() [L261] COND TRUE 1 [L264] CALL, EXPR exists_runnable_thread() [L231] int __retres1 ; [L234] COND TRUE m_st == 0 [L235] __retres1 = 1 [L252] return (__retres1); [L264] RET, EXPR exists_runnable_thread() [L264] tmp = exists_runnable_thread() [L266] COND TRUE \read(tmp) [L271] COND TRUE m_st == 0 [L272] int tmp_ndt_1; [L273] tmp_ndt_1 = __VERIFIER_nondet_int() [L274] COND TRUE \read(tmp_ndt_1) [L276] m_st = 1 [L277] CALL master() [L37] COND TRUE m_pc == 0 [L48] COND TRUE 1 [L51] E_1 = 1 [L52] CALL immediate_notify() [L425] CALL activate_threads() [L387] int tmp ; [L388] int tmp___0 ; [L389] int tmp___1 ; [L393] CALL, EXPR is_master_triggered() [L143] int __retres1 ; [L146] COND FALSE !(m_pc == 1) [L156] __retres1 = 0 [L158] return (__retres1); [L393] RET, EXPR is_master_triggered() [L393] tmp = is_master_triggered() [L395] COND FALSE !(\read(tmp)) [L401] CALL, EXPR is_transmit1_triggered() [L162] int __retres1 ; [L165] COND TRUE t1_pc == 1 [L166] COND TRUE E_1 == 1 [L167] __retres1 = 1 [L177] return (__retres1); [L401] RET, EXPR is_transmit1_triggered() [L401] tmp___0 = is_transmit1_triggered() [L403] COND TRUE \read(tmp___0) [L404] t1_st = 0 [L409] CALL, EXPR is_transmit2_triggered() [L181] int __retres1 ; [L184] COND TRUE t2_pc == 1 [L185] COND FALSE !(E_2 == 1) [L194] __retres1 = 0 [L196] return (__retres1); [L409] RET, EXPR is_transmit2_triggered() [L409] tmp___1 = is_transmit2_triggered() [L411] COND FALSE !(\read(tmp___1)) [L425] RET activate_threads() [L52] RET immediate_notify() [L53] E_1 = 2 [L56] COND TRUE 1 [L58] m_pc = 1 [L59] m_st = 2 [L277] RET master() [L285] COND TRUE t1_st == 0 [L286] int tmp_ndt_2; [L287] tmp_ndt_2 = __VERIFIER_nondet_int() [L288] COND TRUE \read(tmp_ndt_2) [L290] t1_st = 1 [L291] CALL transmit1() [L78] COND FALSE !(t1_pc == 0) [L81] COND TRUE t1_pc == 1 [L97] E_2 = 1 [L98] CALL immediate_notify() [L425] CALL activate_threads() [L387] int tmp ; [L388] int tmp___0 ; [L389] int tmp___1 ; [L393] CALL, EXPR is_master_triggered() [L143] int __retres1 ; [L146] COND TRUE m_pc == 1 [L147] COND FALSE !(M_E == 1) [L156] __retres1 = 0 [L158] return (__retres1); [L393] RET, EXPR is_master_triggered() [L393] tmp = is_master_triggered() [L395] COND FALSE !(\read(tmp)) [L401] CALL, EXPR is_transmit1_triggered() [L162] int __retres1 ; [L165] COND TRUE t1_pc == 1 [L166] COND FALSE !(E_1 == 1) [L175] __retres1 = 0 [L177] return (__retres1); [L401] RET, EXPR is_transmit1_triggered() [L401] tmp___0 = is_transmit1_triggered() [L403] COND FALSE !(\read(tmp___0)) [L409] CALL, EXPR is_transmit2_triggered() [L181] int __retres1 ; [L184] COND TRUE t2_pc == 1 [L185] COND TRUE E_2 == 1 [L186] __retres1 = 1 [L196] return (__retres1); [L409] RET, EXPR is_transmit2_triggered() [L409] tmp___1 = is_transmit2_triggered() [L411] COND TRUE \read(tmp___1) [L412] t2_st = 0 [L425] RET activate_threads() [L98] RET immediate_notify() [L99] E_2 = 2 [L89] COND TRUE 1 [L91] t1_pc = 1 [L92] t1_st = 2 [L291] RET transmit1() [L299] COND TRUE t2_st == 0 [L300] int tmp_ndt_3; [L301] tmp_ndt_3 = __VERIFIER_nondet_int() [L302] COND TRUE \read(tmp_ndt_3) [L304] t2_st = 1 [L305] CALL transmit2() [L113] COND FALSE !(t2_pc == 0) [L116] COND TRUE t2_pc == 1 [L132] CALL error() [L11] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 169 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 111.1s, OverallIterations: 19, TraceHistogramMax: 6, AutomataDifference: 39.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3078 SDtfs, 13303 SDslu, 1185 SDs, 0 SdLazy, 21067 SolverSat, 6744 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1065 GetRequests, 724 SyntacticMatches, 4 SemanticMatches, 337 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1363 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6068occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.5s AutomataMinimizationTime, 18 MinimizatonAttempts, 9167 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 65.9s InterpolantComputationTime, 2813 NumberOfCodeBlocks, 2813 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 2587 ConstructedInterpolants, 0 QuantifiedInterpolants, 1016115 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 16 PerfectInterpolantSequences, 1081/1113 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...