/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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 language data_model -i ../../../trunk/examples/svcomp/systemc/transmitter.05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 19:58:13,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 19:58:13,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 19:58:13,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 19:58:13,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 19:58:13,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 19:58:13,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 19:58:13,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 19:58:13,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 19:58:13,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 19:58:13,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 19:58:13,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 19:58:13,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 19:58:13,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 19:58:13,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 19:58:13,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 19:58:13,742 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 19:58:13,743 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 19:58:13,746 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 19:58:13,748 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 19:58:13,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 19:58:13,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 19:58:13,754 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 19:58:13,755 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 19:58:13,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 19:58:13,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 19:58:13,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 19:58:13,776 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 19:58:13,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 19:58:13,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 19:58:13,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 19:58:13,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 19:58:13,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 19:58:13,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 19:58:13,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 19:58:13,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 19:58:13,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 19:58:13,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 19:58:13,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 19:58:13,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 19:58:13,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 19:58:13,790 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 [2020-10-28 19:58:13,832 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 19:58:13,833 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 19:58:13,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 19:58:13,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 19:58:13,836 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 19:58:13,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 19:58:13,839 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 19:58:13,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 19:58:13,839 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 19:58:13,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 19:58:13,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 19:58:13,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 19:58:13,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 19:58:13,841 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 19:58:13,842 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 19:58:13,842 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 19:58:13,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 19:58:13,843 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 19:58:13,843 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 19:58:13,843 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 19:58:13,843 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 19:58:13,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 19:58:13,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 19:58:13,844 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 19:58:13,844 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 19:58:13,845 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 19:58:13,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 19:58:13,845 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 19:58:13,845 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 19:58:13,845 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 19:58:14,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 19:58:14,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 19:58:14,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 19:58:14,350 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 19:58:14,351 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 19:58:14,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.05.cil.c [2020-10-28 19:58:14,456 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/62441884e/0835f93dec5943c780dbb746fb9c1744/FLAG3a58bbe55 [2020-10-28 19:58:15,142 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 19:58:15,143 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.05.cil.c [2020-10-28 19:58:15,165 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/62441884e/0835f93dec5943c780dbb746fb9c1744/FLAG3a58bbe55 [2020-10-28 19:58:15,471 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/62441884e/0835f93dec5943c780dbb746fb9c1744 [2020-10-28 19:58:15,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 19:58:15,482 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 19:58:15,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 19:58:15,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 19:58:15,488 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 19:58:15,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:58:15" (1/1) ... [2020-10-28 19:58:15,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c5a2305 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:58:15, skipping insertion in model container [2020-10-28 19:58:15,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:58:15" (1/1) ... [2020-10-28 19:58:15,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 19:58:15,538 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 19:58:15,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 19:58:15,797 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 19:58:15,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 19:58:15,908 INFO L208 MainTranslator]: Completed translation [2020-10-28 19:58:15,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:58:15 WrapperNode [2020-10-28 19:58:15,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 19:58:15,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 19:58:15,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 19:58:15,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 19:58:15,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:58:15" (1/1) ... [2020-10-28 19:58:15,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:58:15" (1/1) ... [2020-10-28 19:58:15,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:58:15" (1/1) ... [2020-10-28 19:58:15,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:58:15" (1/1) ... [2020-10-28 19:58:15,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:58:15" (1/1) ... [2020-10-28 19:58:15,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:58:15" (1/1) ... [2020-10-28 19:58:15,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:58:15" (1/1) ... [2020-10-28 19:58:15,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 19:58:16,000 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 19:58:16,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 19:58:16,001 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 19:58:16,002 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:58:15" (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 [2020-10-28 19:58:16,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 19:58:16,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 19:58:16,082 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 19:58:16,083 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-28 19:58:16,083 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-28 19:58:16,083 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-28 19:58:16,083 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-28 19:58:16,083 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-28 19:58:16,083 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-28 19:58:16,084 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-28 19:58:16,084 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-28 19:58:16,084 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-28 19:58:16,084 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-28 19:58:16,084 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-28 19:58:16,084 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-28 19:58:16,085 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-28 19:58:16,085 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-28 19:58:16,085 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-28 19:58:16,085 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-28 19:58:16,085 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-28 19:58:16,085 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-28 19:58:16,085 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-28 19:58:16,086 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-28 19:58:16,086 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-28 19:58:16,086 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-28 19:58:16,086 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-28 19:58:16,086 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-28 19:58:16,086 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-28 19:58:16,086 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-28 19:58:16,087 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 19:58:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 19:58:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 19:58:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 19:58:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 19:58:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 19:58:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-28 19:58:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-28 19:58:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-28 19:58:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-28 19:58:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-28 19:58:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-28 19:58:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-28 19:58:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-28 19:58:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-28 19:58:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-28 19:58:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-28 19:58:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-28 19:58:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-28 19:58:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-28 19:58:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-28 19:58:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-28 19:58:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-28 19:58:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-28 19:58:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-28 19:58:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-28 19:58:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-28 19:58:16,091 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-28 19:58:16,091 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-28 19:58:16,091 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-28 19:58:16,091 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-28 19:58:16,091 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-28 19:58:16,091 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 19:58:16,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 19:58:16,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 19:58:16,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 19:58:16,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 19:58:16,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 19:58:16,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 19:58:17,126 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 19:58:17,126 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-28 19:58:17,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:58:17 BoogieIcfgContainer [2020-10-28 19:58:17,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 19:58:17,134 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 19:58:17,134 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 19:58:17,141 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 19:58:17,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 07:58:15" (1/3) ... [2020-10-28 19:58:17,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c228314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:58:17, skipping insertion in model container [2020-10-28 19:58:17,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:58:15" (2/3) ... [2020-10-28 19:58:17,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c228314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:58:17, skipping insertion in model container [2020-10-28 19:58:17,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:58:17" (3/3) ... [2020-10-28 19:58:17,148 INFO L111 eAbstractionObserver]: Analyzing ICFG transmitter.05.cil.c [2020-10-28 19:58:17,165 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 19:58:17,173 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 19:58:17,188 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 19:58:17,235 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 19:58:17,235 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 19:58:17,236 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 19:58:17,236 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 19:58:17,236 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 19:58:17,236 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 19:58:17,236 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 19:58:17,236 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 19:58:17,275 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states. [2020-10-28 19:58:17,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-28 19:58:17,301 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:58:17,302 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:58:17,303 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:58:17,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:58:17,313 INFO L82 PathProgramCache]: Analyzing trace with hash 194113464, now seen corresponding path program 1 times [2020-10-28 19:58:17,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:58:17,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1893129000] [2020-10-28 19:58:17,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:58:17,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:17,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:17,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:18,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:18,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:18,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:19,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:22,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:22,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-28 19:58:22,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 19:58:22,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-28 19:58:22,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:22,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:22,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:58:22,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 19:58:22,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 19:58:22,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-28 19:58:22,836 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 19:58:22,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:58:22,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:22,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:22,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:22,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:58:22,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:22,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 19:58:22,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:22,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:22,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:22,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:22,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:22,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:58:22,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:58:22,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:22,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:22,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:22,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:58:22,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:22,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 19:58:22,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:22,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:22,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:58:22,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:22,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:58:22,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-28 19:58:22,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:58:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:22,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:22,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:22,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:58:22,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:22,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:58:22,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:22,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:22,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:58:22,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:22,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:58:22,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:58:22,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:58:22,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:22,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:23,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:23,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:58:23,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:23,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 19:58:23,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:23,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:23,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:58:23,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 19:58:23,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:58:23,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:58:23,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 19:58:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:23,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:23,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:23,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 19:58:23,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:23,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 19:58:23,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:23,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:23,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:23,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 19:58:23,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:23,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 19:58:23,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 19:58:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:23,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:23,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:23,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:24,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:24,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:27,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:27,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 19:58:27,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:58:27,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4144 [2020-10-28 19:58:27,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:27,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:27,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:27,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-28 19:58:27,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:27,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:58:27,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:58:27,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:27,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:27,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:27,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:27,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:27,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:58:27,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:27,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:27,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:27,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:27,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:27,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:58:27,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:58:27,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:27,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:27,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:27,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:27,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:27,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:58:27,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:27,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:27,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:27,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:27,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:27,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:58:27,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:58:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:27,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:27,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:27,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:27,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:27,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:58:27,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:27,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:27,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:27,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:27,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:27,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:27,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:58:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:27,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:27,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:27,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:27,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:27,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:58:27,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:27,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:27,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:27,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:27,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:27,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:58:27,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:58:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:27,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:27,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:27,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:27,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:27,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:58:27,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:27,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:27,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:27,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:27,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:27,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:58:27,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:58:27,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:27,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:27,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:27,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:27,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:27,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:58:27,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:27,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:27,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:27,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:27,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:27,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:58:27,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-28 19:58:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:27,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:27,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:27,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 19:58:27,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:27,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 19:58:27,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:27,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:27,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:27,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 19:58:27,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:27,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:27,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 19:58:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:27,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:27,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:27,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:58:27,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:27,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:58:27,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:27,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:27,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:27,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:58:27,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:27,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:27,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:58:27,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1893129000] [2020-10-28 19:58:27,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:58:27,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:58:27,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575770165] [2020-10-28 19:58:27,457 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:58:27,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:58:27,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:58:27,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:58:27,475 INFO L87 Difference]: Start difference. First operand 263 states. Second operand 8 states. [2020-10-28 19:58:27,724 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 19:58:27,944 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 19:58:31,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:58:31,893 INFO L93 Difference]: Finished difference Result 657 states and 1040 transitions. [2020-10-28 19:58:31,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 19:58:31,896 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 136 [2020-10-28 19:58:31,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:58:31,916 INFO L225 Difference]: With dead ends: 657 [2020-10-28 19:58:31,916 INFO L226 Difference]: Without dead ends: 401 [2020-10-28 19:58:31,924 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-10-28 19:58:31,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2020-10-28 19:58:32,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 251. [2020-10-28 19:58:32,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2020-10-28 19:58:32,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 351 transitions. [2020-10-28 19:58:32,082 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 351 transitions. Word has length 136 [2020-10-28 19:58:32,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:58:32,082 INFO L481 AbstractCegarLoop]: Abstraction has 251 states and 351 transitions. [2020-10-28 19:58:32,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:58:32,083 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 351 transitions. [2020-10-28 19:58:32,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-28 19:58:32,097 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:58:32,098 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:58:32,098 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 19:58:32,098 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:58:32,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:58:32,106 INFO L82 PathProgramCache]: Analyzing trace with hash 526756602, now seen corresponding path program 1 times [2020-10-28 19:58:32,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:58:32,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1490685822] [2020-10-28 19:58:32,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:58:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:32,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:32,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:32,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:32,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:32,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:34,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:35,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:37,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:37,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-28 19:58:37,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 19:58:37,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 19:58:37,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:37,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:37,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:58:37,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-28 19:58:37,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-28 19:58:37,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:37,362 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 19:58:37,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:58:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:37,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:37,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:37,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:58:37,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:37,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:58:37,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:37,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:37,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:37,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:37,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:37,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:37,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:58:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:37,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:37,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:37,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:58:37,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:37,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:58:37,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:37,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:37,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:37,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:37,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:37,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:37,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:58:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:37,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:37,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:37,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:58:37,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:37,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:58:37,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:37,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:37,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:37,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:37,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:37,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:37,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:58:37,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:37,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:37,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:37,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:58:37,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:37,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:58:37,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:37,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:37,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:37,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:37,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:37,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:37,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 19:58:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:37,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:37,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:37,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 19:58:37,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:37,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:58:37,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:37,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:37,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:58:37,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:37,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:58:37,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:37,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 19:58:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:37,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:37,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:37,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:37,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:39,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:42,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:42,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 19:58:42,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:58:42,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-28 19:58:42,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:42,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:42,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:58:42,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:42,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-28 19:58:42,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 19:58:42,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:58:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:42,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:42,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:42,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:42,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:42,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:58:42,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:42,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:42,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:42,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:42,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:42,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:42,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:58:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:42,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:42,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:42,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:42,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:42,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:58:42,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:42,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:42,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:42,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:42,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:42,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:42,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:58:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:42,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:42,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:42,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:42,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:42,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:58:42,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:42,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:42,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:42,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:42,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:42,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:42,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:58:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:42,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:42,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:42,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:42,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:42,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:58:42,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:42,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:42,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:42,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:42,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:42,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:42,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:58:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:42,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:42,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:42,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:42,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:42,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:58:42,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:42,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:42,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:42,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:42,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:42,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:42,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:58:42,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:42,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:42,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:42,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:42,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:42,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:58:42,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:42,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:42,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:42,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:42,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:42,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:42,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-28 19:58:42,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:42,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:42,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:42,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 19:58:42,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:42,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 19:58:42,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:42,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:42,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:58:42,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:58:42,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 19:58:42,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:42,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 19:58:42,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:42,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:42,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:42,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:58:42,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:42,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:58:42,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:42,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:42,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:42,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:58:42,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:42,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:42,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:58:42,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1490685822] [2020-10-28 19:58:42,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:58:42,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 19:58:42,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513971116] [2020-10-28 19:58:42,664 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:58:42,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:58:42,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:58:42,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:58:42,665 INFO L87 Difference]: Start difference. First operand 251 states and 351 transitions. Second operand 9 states. [2020-10-28 19:58:43,569 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 19:58:44,981 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 19:58:50,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:58:50,059 INFO L93 Difference]: Finished difference Result 1084 states and 1625 transitions. [2020-10-28 19:58:50,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-28 19:58:50,063 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 136 [2020-10-28 19:58:50,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:58:50,085 INFO L225 Difference]: With dead ends: 1084 [2020-10-28 19:58:50,085 INFO L226 Difference]: Without dead ends: 858 [2020-10-28 19:58:50,095 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2020-10-28 19:58:50,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2020-10-28 19:58:50,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 553. [2020-10-28 19:58:50,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2020-10-28 19:58:50,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 779 transitions. [2020-10-28 19:58:50,263 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 779 transitions. Word has length 136 [2020-10-28 19:58:50,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:58:50,264 INFO L481 AbstractCegarLoop]: Abstraction has 553 states and 779 transitions. [2020-10-28 19:58:50,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 19:58:50,264 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 779 transitions. [2020-10-28 19:58:50,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-28 19:58:50,266 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:58:50,267 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:58:50,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 19:58:50,267 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:58:50,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:58:50,268 INFO L82 PathProgramCache]: Analyzing trace with hash -132774920, now seen corresponding path program 1 times [2020-10-28 19:58:50,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:58:50,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1839760453] [2020-10-28 19:58:50,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:58:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:50,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:50,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:50,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:50,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:50,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:52,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:55,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:55,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-28 19:58:55,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 19:58:55,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 19:58:55,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:55,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:55,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:58:55,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-28 19:58:55,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-28 19:58:55,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:55,510 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 19:58:55,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:58:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:55,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:55,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:55,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:58:55,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:55,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:58:55,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:55,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:55,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:55,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:55,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:55,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:55,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:58:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:55,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:55,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:55,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:58:55,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:55,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:58:55,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:55,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:55,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:55,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:55,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:55,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:55,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:58:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:55,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:55,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:55,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:58:55,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:55,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:58:55,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:55,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:55,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:55,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:55,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:55,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:55,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:58:55,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:55,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:55,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:55,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:58:55,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:55,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:58:55,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:55,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:55,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:55,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:55,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:55,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:55,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 19:58:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:55,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:55,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:55,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 19:58:55,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:55,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 19:58:55,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:55,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:55,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:58:55,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:55,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 19:58:55,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:55,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 19:58:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:55,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:55,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:55,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:55,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:56,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:00,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:00,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 19:59:00,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:59:00,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 19:59:00,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:00,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:00,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:00,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:00,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-28 19:59:00,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:00,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:59:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:00,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:00,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:00,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:00,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:00,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:00,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:00,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:00,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:00,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:00,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:00,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:00,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:59:00,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:00,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:00,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:00,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:00,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:00,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:00,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:00,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:00,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:00,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:00,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:00,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:00,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:59:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:00,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:00,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:00,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:00,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:00,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:00,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:00,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:00,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:00,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:00,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:00,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:00,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:59:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:00,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:00,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:00,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:00,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:00,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:00,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:00,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:00,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:00,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:00,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:00,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:00,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:59:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:00,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:00,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:00,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:00,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:00,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:00,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:00,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:00,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:00,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:00,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:00,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:00,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:59:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:00,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:00,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:00,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:00,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:00,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:00,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:00,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:00,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:00,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:00,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:00,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:00,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-28 19:59:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:00,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:00,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:00,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 19:59:00,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:00,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 19:59:00,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:00,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:00,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:59:00,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:59:00,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 19:59:00,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:00,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 19:59:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:00,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:00,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:00,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:59:00,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:00,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:59:00,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:00,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:00,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:00,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:59:00,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:00,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:00,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:59:00,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1839760453] [2020-10-28 19:59:00,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:59:00,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 19:59:00,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184384971] [2020-10-28 19:59:00,891 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:59:00,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:59:00,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:59:00,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:59:00,892 INFO L87 Difference]: Start difference. First operand 553 states and 779 transitions. Second operand 9 states. [2020-10-28 19:59:01,749 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 19:59:02,782 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-28 19:59:12,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:59:12,356 INFO L93 Difference]: Finished difference Result 2681 states and 4433 transitions. [2020-10-28 19:59:12,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-28 19:59:12,357 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 136 [2020-10-28 19:59:12,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:59:12,388 INFO L225 Difference]: With dead ends: 2681 [2020-10-28 19:59:12,389 INFO L226 Difference]: Without dead ends: 2153 [2020-10-28 19:59:12,393 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=178, Invalid=472, Unknown=0, NotChecked=0, Total=650 [2020-10-28 19:59:12,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states. [2020-10-28 19:59:12,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 1452. [2020-10-28 19:59:12,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1452 states. [2020-10-28 19:59:12,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1452 states and 2176 transitions. [2020-10-28 19:59:12,665 INFO L78 Accepts]: Start accepts. Automaton has 1452 states and 2176 transitions. Word has length 136 [2020-10-28 19:59:12,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:59:12,666 INFO L481 AbstractCegarLoop]: Abstraction has 1452 states and 2176 transitions. [2020-10-28 19:59:12,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 19:59:12,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 2176 transitions. [2020-10-28 19:59:12,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-28 19:59:12,670 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:59:12,670 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:59:12,671 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 19:59:12,671 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:59:12,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:59:12,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1518978314, now seen corresponding path program 1 times [2020-10-28 19:59:12,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:59:12,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [911171149] [2020-10-28 19:59:12,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:59:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:12,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:12,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:12,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:12,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:12,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:17,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:17,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-28 19:59:17,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:59:17,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 19:59:17,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:17,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:17,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:59:17,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:59:17,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-28 19:59:17,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:17,872 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 19:59:17,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:59:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:17,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:17,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:17,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:59:17,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:17,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 19:59:17,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:17,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:17,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:17,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:17,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:59:17,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:59:17,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:59:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:17,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:17,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:17,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:59:17,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:17,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:59:17,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:17,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:17,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:17,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:17,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:59:17,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:17,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:59:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:17,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:17,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:17,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:59:17,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:17,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:17,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:17,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:17,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:17,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:17,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:59:17,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:59:17,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:59:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:17,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:17,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:17,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:59:17,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:17,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:59:18,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:18,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:18,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:18,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:18,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 19:59:18,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:59:18,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 19:59:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:18,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:18,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:18,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 19:59:18,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:18,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 19:59:18,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:18,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:18,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:59:18,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:59:18,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 19:59:18,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:18,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 19:59:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:18,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:18,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:18,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:18,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:18,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:20,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:20,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 19:59:20,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:59:20,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2624 [2020-10-28 19:59:20,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:20,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:20,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:20,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-28 19:59:20,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:20,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:59:20,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:59:20,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:20,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:20,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:20,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:20,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:20,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:20,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:20,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:20,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:20,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:20,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:20,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:20,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:59:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:20,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:20,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:20,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:20,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:20,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:20,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:20,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:20,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:20,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:20,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:20,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:20,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:59:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:20,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:20,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:20,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:20,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:20,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:20,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:20,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:20,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:20,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:20,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:20,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:20,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:59:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:20,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:20,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:20,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:20,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:20,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:20,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:20,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:20,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:20,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:20,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:20,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:20,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:59:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:20,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:20,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:20,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:20,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:20,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:20,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:20,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:20,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:20,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:20,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:20,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:20,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:59:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:20,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:20,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:20,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:20,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:20,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:20,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:20,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:20,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:20,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:20,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:20,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:20,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-28 19:59:20,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:20,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:20,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:20,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 19:59:20,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:20,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 19:59:20,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:20,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:20,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:20,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 19:59:20,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:20,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:20,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 19:59:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:20,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:20,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:20,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:59:20,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:20,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:20,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:20,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:20,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:20,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:59:20,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:20,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:20,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:59:20,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [911171149] [2020-10-28 19:59:20,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:59:20,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:59:20,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797123409] [2020-10-28 19:59:20,840 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:59:20,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:59:20,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:59:20,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:59:20,842 INFO L87 Difference]: Start difference. First operand 1452 states and 2176 transitions. Second operand 8 states. [2020-10-28 19:59:21,004 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 19:59:26,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:59:26,102 INFO L93 Difference]: Finished difference Result 4867 states and 7672 transitions. [2020-10-28 19:59:26,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 19:59:26,103 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 136 [2020-10-28 19:59:26,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:59:26,128 INFO L225 Difference]: With dead ends: 4867 [2020-10-28 19:59:26,128 INFO L226 Difference]: Without dead ends: 3439 [2020-10-28 19:59:26,138 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-10-28 19:59:26,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3439 states. [2020-10-28 19:59:26,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3439 to 2470. [2020-10-28 19:59:26,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2470 states. [2020-10-28 19:59:26,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2470 states to 2470 states and 3614 transitions. [2020-10-28 19:59:26,523 INFO L78 Accepts]: Start accepts. Automaton has 2470 states and 3614 transitions. Word has length 136 [2020-10-28 19:59:26,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:59:26,523 INFO L481 AbstractCegarLoop]: Abstraction has 2470 states and 3614 transitions. [2020-10-28 19:59:26,523 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:59:26,523 INFO L276 IsEmpty]: Start isEmpty. Operand 2470 states and 3614 transitions. [2020-10-28 19:59:26,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-28 19:59:26,527 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:59:26,528 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:59:26,528 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 19:59:26,528 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:59:26,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:59:26,529 INFO L82 PathProgramCache]: Analyzing trace with hash -716741126, now seen corresponding path program 1 times [2020-10-28 19:59:26,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:59:26,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [926303954] [2020-10-28 19:59:26,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:59:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:26,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:26,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:26,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:26,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:26,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:27,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:27,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:27,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:27,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:27,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:27,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:27,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:27,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:27,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:27,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:31,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:31,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-28 19:59:31,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-28 19:59:31,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 19:59:31,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:31,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:31,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 19:59:31,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:59:31,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-28 19:59:31,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:31,754 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 19:59:31,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:59:31,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:31,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:31,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:31,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:59:31,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:31,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 19:59:31,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:31,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:31,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:31,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:31,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:59:31,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:31,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:59:31,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:31,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:31,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:31,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:59:31,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:31,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:59:31,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:31,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:31,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:31,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:31,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:59:31,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:59:31,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:59:31,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:31,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:31,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:31,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:59:31,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:31,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:31,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:31,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:31,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:31,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:31,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:59:31,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:31,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:59:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:31,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:31,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:31,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:59:31,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:31,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:59:31,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:31,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:31,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:31,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:31,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 19:59:31,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:31,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 19:59:31,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:31,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:31,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:31,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 19:59:31,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:31,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 19:59:31,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:31,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:31,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:31,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:31,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 19:59:31,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:31,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 19:59:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:31,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:31,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:31,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:31,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:32,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:36,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:36,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 19:59:36,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:59:36,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4157 [2020-10-28 19:59:36,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:36,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:36,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:36,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-28 19:59:36,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 19:59:36,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:36,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:59:36,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:36,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:36,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:36,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:36,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:36,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:36,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:36,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:36,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:36,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:36,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:36,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:36,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:59:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:36,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:36,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:36,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:36,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:36,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:36,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:36,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:36,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:36,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:36,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:36,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:36,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:59:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:36,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:36,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:36,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:36,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:36,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:59:36,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:36,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:36,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:36,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:36,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:59:36,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:36,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:59:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:36,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:36,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:36,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:36,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:36,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:59:36,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:36,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:36,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:36,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:36,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:59:36,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:36,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:59:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:36,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:36,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:36,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:36,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:36,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:36,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:36,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:36,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:36,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:36,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:59:36,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:36,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:59:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:36,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:36,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:36,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:36,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:36,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:36,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:36,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:36,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:36,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:36,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:59:36,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:36,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-28 19:59:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:36,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:36,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:36,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 19:59:36,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:36,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:59:36,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:36,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:36,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:36,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 19:59:36,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:36,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:36,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 19:59:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:36,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:36,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:36,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:59:36,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:36,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:36,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:36,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:36,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:36,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:59:36,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:36,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 19:59:36,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:59:36,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [926303954] [2020-10-28 19:59:36,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:59:36,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:59:36,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705495286] [2020-10-28 19:59:36,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:59:36,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:59:36,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:59:36,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:59:36,210 INFO L87 Difference]: Start difference. First operand 2470 states and 3614 transitions. Second operand 8 states. [2020-10-28 19:59:36,389 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 19:59:38,422 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 19:59:42,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:59:42,634 INFO L93 Difference]: Finished difference Result 8725 states and 13413 transitions. [2020-10-28 19:59:42,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 19:59:42,634 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 136 [2020-10-28 19:59:42,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:59:42,676 INFO L225 Difference]: With dead ends: 8725 [2020-10-28 19:59:42,676 INFO L226 Difference]: Without dead ends: 6283 [2020-10-28 19:59:42,691 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-28 19:59:42,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6283 states. [2020-10-28 19:59:43,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6283 to 4870. [2020-10-28 19:59:43,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4870 states. [2020-10-28 19:59:43,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4870 states to 4870 states and 7114 transitions. [2020-10-28 19:59:43,505 INFO L78 Accepts]: Start accepts. Automaton has 4870 states and 7114 transitions. Word has length 136 [2020-10-28 19:59:43,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:59:43,506 INFO L481 AbstractCegarLoop]: Abstraction has 4870 states and 7114 transitions. [2020-10-28 19:59:43,506 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:59:43,506 INFO L276 IsEmpty]: Start isEmpty. Operand 4870 states and 7114 transitions. [2020-10-28 19:59:43,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-28 19:59:43,510 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:59:43,510 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:59:43,511 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 19:59:43,511 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:59:43,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:59:43,512 INFO L82 PathProgramCache]: Analyzing trace with hash -637623271, now seen corresponding path program 1 times [2020-10-28 19:59:43,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:59:43,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1562496722] [2020-10-28 19:59:43,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:59:43,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:43,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:43,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:43,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:43,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:43,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:43,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:44,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:44,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:44,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:44,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:45,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:45,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:45,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:45,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:45,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:48,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:48,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-28 19:59:48,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-28 19:59:48,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 19:59:48,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:48,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:48,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 19:59:48,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:59:48,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-28 19:59:48,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:48,701 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 19:59:48,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:59:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:48,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:48,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:48,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:59:48,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:48,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 19:59:48,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:48,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:48,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:48,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:48,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:59:48,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:48,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:59:48,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:48,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:48,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:48,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:59:48,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:48,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:59:48,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:48,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:48,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:48,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:48,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:59:48,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:48,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:59:48,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:48,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:48,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:48,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:59:48,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:48,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:59:48,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:48,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:48,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:48,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:48,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:59:48,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:48,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:59:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:48,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:48,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:48,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:59:48,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:48,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 19:59:48,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:48,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:48,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:48,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:48,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 19:59:48,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:48,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 19:59:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:48,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:48,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:48,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 19:59:48,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:48,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:59:48,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:48,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:48,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:48,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:48,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 19:59:48,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:48,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 19:59:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:48,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:48,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:48,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:48,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:50,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:50,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:53,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:53,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 19:59:53,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 19:59:53,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 19:59:53,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:53,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:53,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:53,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-28 19:59:53,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-28 19:59:53,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:53,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:59:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:53,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:53,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:53,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:53,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:53,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:59:53,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:53,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:53,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:53,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:53,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:53,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:53,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:59:53,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:53,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:53,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:53,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:53,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:53,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:59:53,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:53,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:53,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:53,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:53,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:59:53,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:53,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:59:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:53,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:53,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:53,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:53,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:53,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:59:53,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:53,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:53,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:53,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:53,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:59:53,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:59:53,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:59:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:53,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:53,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:53,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:53,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:53,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:59:53,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:53,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:53,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:53,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:53,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:59:53,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:53,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:59:53,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:53,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:53,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:53,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:53,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:53,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:59:53,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:53,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:53,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:53,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:53,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:59:53,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:53,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:59:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:53,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:53,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:53,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:53,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:53,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:59:53,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:53,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:53,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:53,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:53,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:59:53,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:53,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-28 19:59:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:53,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:53,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:53,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 19:59:53,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:53,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:59:53,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:53,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:53,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:53,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 19:59:53,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:53,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:59:53,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 19:59:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:53,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:53,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:53,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:59:53,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:53,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:53,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:53,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:53,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:53,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:59:53,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:53,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:53,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:59:53,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1562496722] [2020-10-28 19:59:53,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:59:53,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 19:59:53,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642709303] [2020-10-28 19:59:53,949 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:59:53,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:59:53,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:59:53,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:59:53,950 INFO L87 Difference]: Start difference. First operand 4870 states and 7114 transitions. Second operand 9 states. [2020-10-28 19:59:54,142 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 19:59:56,405 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 20:00:02,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 20:00:02,563 INFO L93 Difference]: Finished difference Result 17013 states and 26564 transitions. [2020-10-28 20:00:02,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 20:00:02,564 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 136 [2020-10-28 20:00:02,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 20:00:02,645 INFO L225 Difference]: With dead ends: 17013 [2020-10-28 20:00:02,646 INFO L226 Difference]: Without dead ends: 12171 [2020-10-28 20:00:02,675 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-10-28 20:00:02,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12171 states. [2020-10-28 20:00:04,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12171 to 9599. [2020-10-28 20:00:04,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9599 states. [2020-10-28 20:00:04,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9599 states to 9599 states and 13953 transitions. [2020-10-28 20:00:04,259 INFO L78 Accepts]: Start accepts. Automaton has 9599 states and 13953 transitions. Word has length 136 [2020-10-28 20:00:04,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 20:00:04,260 INFO L481 AbstractCegarLoop]: Abstraction has 9599 states and 13953 transitions. [2020-10-28 20:00:04,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 20:00:04,260 INFO L276 IsEmpty]: Start isEmpty. Operand 9599 states and 13953 transitions. [2020-10-28 20:00:04,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-28 20:00:04,264 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 20:00:04,264 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 20:00:04,265 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 20:00:04,265 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 20:00:04,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 20:00:04,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1854809894, now seen corresponding path program 1 times [2020-10-28 20:00:04,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 20:00:04,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1665864348] [2020-10-28 20:00:04,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 20:00:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:04,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:04,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:04,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:04,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:04,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:04,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:04,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:09,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:09,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-28 20:00:09,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 20:00:09,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 20:00:09,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:09,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:09,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 20:00:09,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 20:00:09,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-28 20:00:09,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:09,458 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 20:00:09,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 20:00:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:09,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:09,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:09,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:00:09,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:09,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 20:00:09,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:09,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:09,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:09,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:09,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 20:00:09,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:09,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 20:00:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:09,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:09,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:09,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:00:09,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:09,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:00:09,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:09,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:09,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:09,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:09,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 20:00:09,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:09,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 20:00:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:09,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:09,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:09,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 20:00:09,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:09,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:09,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:09,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:09,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:09,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:09,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 20:00:09,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:09,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 20:00:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:09,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:09,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:09,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 20:00:09,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:09,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 20:00:09,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:09,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:09,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:09,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:09,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 20:00:09,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:09,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 20:00:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:09,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:09,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:09,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 20:00:09,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:09,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 20:00:09,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:09,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:09,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 20:00:09,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 20:00:09,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 20:00:09,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:09,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 20:00:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:09,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:09,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:09,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:09,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:09,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:09,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:14,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:14,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 20:00:14,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 20:00:14,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 20:00:14,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:14,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:14,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:14,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-28 20:00:14,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:14,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:14,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 20:00:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:14,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:14,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:14,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:14,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:14,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:00:14,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:14,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:14,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:14,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:14,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:14,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:14,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 20:00:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:14,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:14,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:14,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:14,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:14,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:00:14,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:14,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:14,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:14,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:14,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:14,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:14,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 20:00:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:14,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:14,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:14,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:14,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:14,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:00:14,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:14,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:14,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:14,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:14,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:14,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:14,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 20:00:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:14,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:14,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:14,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:14,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:14,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:00:14,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:14,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:14,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:14,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:14,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:14,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:14,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 20:00:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:14,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:14,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:14,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:14,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:14,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:14,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:14,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:14,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:14,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:14,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:14,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:14,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 20:00:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:14,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:14,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:14,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:14,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:14,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:14,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:14,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:14,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:14,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:14,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:14,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:14,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-28 20:00:14,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:14,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:14,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:14,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 20:00:14,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:14,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 20:00:14,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:14,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:14,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:14,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 20:00:14,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:14,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:14,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 20:00:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:14,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:14,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:14,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:00:14,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:14,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:14,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:14,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:14,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:14,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:00:14,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:14,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:14,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 20:00:14,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1665864348] [2020-10-28 20:00:14,723 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 20:00:14,723 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 20:00:14,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160149534] [2020-10-28 20:00:14,724 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 20:00:14,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 20:00:14,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 20:00:14,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-28 20:00:14,725 INFO L87 Difference]: Start difference. First operand 9599 states and 13953 transitions. Second operand 10 states. [2020-10-28 20:00:14,893 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 20:00:18,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 20:00:18,696 INFO L93 Difference]: Finished difference Result 11462 states and 17069 transitions. [2020-10-28 20:00:18,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 20:00:18,696 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 136 [2020-10-28 20:00:18,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 20:00:18,730 INFO L225 Difference]: With dead ends: 11462 [2020-10-28 20:00:18,731 INFO L226 Difference]: Without dead ends: 6305 [2020-10-28 20:00:18,748 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-10-28 20:00:18,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6305 states. [2020-10-28 20:00:19,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6305 to 4960. [2020-10-28 20:00:19,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4960 states. [2020-10-28 20:00:19,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4960 states to 4960 states and 7255 transitions. [2020-10-28 20:00:19,419 INFO L78 Accepts]: Start accepts. Automaton has 4960 states and 7255 transitions. Word has length 136 [2020-10-28 20:00:19,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 20:00:19,419 INFO L481 AbstractCegarLoop]: Abstraction has 4960 states and 7255 transitions. [2020-10-28 20:00:19,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 20:00:19,419 INFO L276 IsEmpty]: Start isEmpty. Operand 4960 states and 7255 transitions. [2020-10-28 20:00:19,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-28 20:00:19,421 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 20:00:19,421 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 20:00:19,422 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 20:00:19,422 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 20:00:19,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 20:00:19,422 INFO L82 PathProgramCache]: Analyzing trace with hash 2061104350, now seen corresponding path program 1 times [2020-10-28 20:00:19,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 20:00:19,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1956054410] [2020-10-28 20:00:19,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 20:00:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:19,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:19,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:19,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:19,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:19,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:19,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:19,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:24,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:24,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-28 20:00:24,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 20:00:24,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 20:00:24,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:24,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:24,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 20:00:24,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 20:00:24,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-28 20:00:24,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:24,598 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 20:00:24,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 20:00:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:24,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:24,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:24,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:00:24,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:24,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 20:00:24,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:24,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:24,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:24,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:24,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 20:00:24,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:24,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 20:00:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:24,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:24,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:24,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:00:24,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:24,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 20:00:24,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:24,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:24,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:24,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:24,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 20:00:24,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:24,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 20:00:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:24,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:24,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:24,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 20:00:24,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:24,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:24,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:24,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:24,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:24,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:24,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 20:00:24,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:24,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 20:00:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:24,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:24,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:24,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 20:00:24,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:24,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 20:00:24,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:24,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:24,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:24,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:24,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 20:00:24,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:24,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 20:00:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:24,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:24,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:24,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 20:00:24,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:24,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 20:00:24,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:24,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:24,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 20:00:24,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 20:00:24,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 20:00:24,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:24,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 20:00:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:24,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:24,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:24,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:24,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:24,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:24,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:29,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:29,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 20:00:29,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 20:00:29,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 20:00:29,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:29,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:29,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:29,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-28 20:00:29,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:29,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:29,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 20:00:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:29,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:29,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:29,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:29,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:29,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:29,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:29,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:29,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:29,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:29,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:29,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:29,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 20:00:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:29,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:29,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:29,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:29,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:29,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:29,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:29,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:29,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:29,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:29,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:29,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:29,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 20:00:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:29,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:29,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:29,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:29,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:29,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:29,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:29,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:29,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:29,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:29,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:29,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:29,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 20:00:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:29,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:29,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:29,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:29,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:29,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:29,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:29,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:29,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:29,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:29,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:29,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:29,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 20:00:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:29,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:29,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:29,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:29,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:29,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:29,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:29,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:29,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:29,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:29,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:29,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:29,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 20:00:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:29,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:29,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:29,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:29,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:29,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:29,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:29,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:29,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:29,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:29,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:29,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:29,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-28 20:00:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:29,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:29,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:29,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 20:00:29,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:29,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 20:00:29,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:29,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:29,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:29,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 20:00:29,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:29,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:29,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 20:00:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:29,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:29,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:29,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:00:29,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:29,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:29,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:29,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:29,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:29,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:00:29,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:29,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:29,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 20:00:29,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1956054410] [2020-10-28 20:00:29,840 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 20:00:29,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 20:00:29,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265859792] [2020-10-28 20:00:29,841 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 20:00:29,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 20:00:29,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 20:00:29,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 20:00:29,842 INFO L87 Difference]: Start difference. First operand 4960 states and 7255 transitions. Second operand 9 states. [2020-10-28 20:00:30,028 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 20:00:33,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 20:00:33,977 INFO L93 Difference]: Finished difference Result 10406 states and 15655 transitions. [2020-10-28 20:00:33,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 20:00:33,978 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 136 [2020-10-28 20:00:33,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 20:00:34,006 INFO L225 Difference]: With dead ends: 10406 [2020-10-28 20:00:34,006 INFO L226 Difference]: Without dead ends: 6293 [2020-10-28 20:00:34,021 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-28 20:00:34,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6293 states. [2020-10-28 20:00:34,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6293 to 4960. [2020-10-28 20:00:34,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4960 states. [2020-10-28 20:00:34,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4960 states to 4960 states and 7185 transitions. [2020-10-28 20:00:34,672 INFO L78 Accepts]: Start accepts. Automaton has 4960 states and 7185 transitions. Word has length 136 [2020-10-28 20:00:34,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 20:00:34,672 INFO L481 AbstractCegarLoop]: Abstraction has 4960 states and 7185 transitions. [2020-10-28 20:00:34,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 20:00:34,672 INFO L276 IsEmpty]: Start isEmpty. Operand 4960 states and 7185 transitions. [2020-10-28 20:00:34,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-28 20:00:34,675 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 20:00:34,675 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 20:00:34,676 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 20:00:34,676 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 20:00:34,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 20:00:34,676 INFO L82 PathProgramCache]: Analyzing trace with hash -306427814, now seen corresponding path program 1 times [2020-10-28 20:00:34,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 20:00:34,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [924421043] [2020-10-28 20:00:34,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 20:00:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:34,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:34,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:34,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:34,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:34,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:34,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:35,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:39,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:39,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-28 20:00:39,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 20:00:39,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 20:00:39,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:39,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:39,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 20:00:39,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 20:00:39,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 20:00:39,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:39,877 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 20:00:39,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 20:00:39,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:39,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:39,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:39,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:00:39,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:39,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 20:00:39,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:39,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:39,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:39,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:39,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 20:00:39,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:39,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 20:00:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:39,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:39,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:39,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:00:39,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:39,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 20:00:39,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:39,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:39,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:39,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:39,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 20:00:39,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:39,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 20:00:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:39,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:39,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:39,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 20:00:39,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:39,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:39,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:39,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:39,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:39,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:39,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 20:00:39,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:39,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 20:00:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:39,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:39,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:39,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 20:00:39,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:39,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 20:00:39,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:39,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:39,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:39,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:39,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 20:00:39,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:39,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 20:00:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:40,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:40,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:40,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 20:00:40,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:40,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 20:00:40,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:40,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:40,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 20:00:40,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 20:00:40,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 20:00:40,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:40,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 20:00:40,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:40,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:40,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:40,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:40,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:40,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:40,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:45,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:45,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 20:00:45,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 20:00:45,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 20:00:45,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:45,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:45,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:45,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-28 20:00:45,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:45,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:45,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 20:00:45,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:45,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:45,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:45,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:45,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:45,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:45,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:45,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:45,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:45,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:45,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:45,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:45,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 20:00:45,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:45,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:45,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:45,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:45,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:45,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:45,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:45,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:45,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:45,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:45,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:45,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:45,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 20:00:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:45,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:45,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:45,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:45,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:45,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:45,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:45,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:45,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:45,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:45,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:45,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:45,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 20:00:45,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:45,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:45,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:45,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:45,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:45,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:00:45,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:45,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:45,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:45,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:45,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:45,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:45,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 20:00:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:45,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:45,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:45,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:45,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:45,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:00:45,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:45,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:45,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:45,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:45,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:45,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:45,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 20:00:45,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:45,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:45,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:45,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:45,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:45,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:45,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:45,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:45,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:45,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:45,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:45,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:45,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-28 20:00:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:45,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:45,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:45,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 20:00:45,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:45,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 20:00:45,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:45,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:45,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:45,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 20:00:45,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:45,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:45,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 20:00:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:45,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:45,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:45,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:00:45,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:45,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:45,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:45,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:45,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:45,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:00:45,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:45,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:45,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 20:00:45,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [924421043] [2020-10-28 20:00:45,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 20:00:45,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 20:00:45,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681299889] [2020-10-28 20:00:45,111 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 20:00:45,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 20:00:45,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 20:00:45,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-28 20:00:45,112 INFO L87 Difference]: Start difference. First operand 4960 states and 7185 transitions. Second operand 10 states. [2020-10-28 20:00:45,297 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 20:00:49,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 20:00:49,240 INFO L93 Difference]: Finished difference Result 10388 states and 15461 transitions. [2020-10-28 20:00:49,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 20:00:49,241 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 136 [2020-10-28 20:00:49,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 20:00:49,270 INFO L225 Difference]: With dead ends: 10388 [2020-10-28 20:00:49,270 INFO L226 Difference]: Without dead ends: 6293 [2020-10-28 20:00:49,285 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-10-28 20:00:49,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6293 states. [2020-10-28 20:00:49,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6293 to 4960. [2020-10-28 20:00:49,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4960 states. [2020-10-28 20:00:49,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4960 states to 4960 states and 7115 transitions. [2020-10-28 20:00:49,938 INFO L78 Accepts]: Start accepts. Automaton has 4960 states and 7115 transitions. Word has length 136 [2020-10-28 20:00:49,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 20:00:49,939 INFO L481 AbstractCegarLoop]: Abstraction has 4960 states and 7115 transitions. [2020-10-28 20:00:49,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 20:00:49,939 INFO L276 IsEmpty]: Start isEmpty. Operand 4960 states and 7115 transitions. [2020-10-28 20:00:49,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-28 20:00:49,941 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 20:00:49,941 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 20:00:49,941 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 20:00:49,941 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 20:00:49,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 20:00:49,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1121274582, now seen corresponding path program 1 times [2020-10-28 20:00:49,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 20:00:49,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1242462128] [2020-10-28 20:00:49,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 20:00:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:49,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:50,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:50,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:50,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:50,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:50,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:50,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:54,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:54,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-28 20:00:54,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 20:00:54,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 20:00:54,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:54,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:54,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 20:00:54,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 20:00:54,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 20:00:54,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:55,138 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 20:00:55,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 20:00:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:55,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:55,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:55,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:00:55,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:55,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 20:00:55,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:55,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:55,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:55,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:55,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 20:00:55,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:55,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 20:00:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:55,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:55,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:55,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:00:55,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:55,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:00:55,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:55,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:55,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:55,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:55,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 20:00:55,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:55,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 20:00:55,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:55,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:55,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:55,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 20:00:55,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:55,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:00:55,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:55,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:55,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:55,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:55,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 20:00:55,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:55,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 20:00:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:55,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:55,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:55,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 20:00:55,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:55,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 20:00:55,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:55,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:55,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:55,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:55,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 20:00:55,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:55,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 20:00:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:55,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:55,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:55,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 20:00:55,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:55,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 20:00:55,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:55,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:55,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 20:00:55,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 20:00:55,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 20:00:55,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:55,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 20:00:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:55,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:55,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:55,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:55,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:55,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:55,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:00,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:00,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 20:01:00,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 20:01:00,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 20:01:00,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:00,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:00,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:00,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-28 20:01:00,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:00,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:00,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 20:01:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:00,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:00,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:00,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:00,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:00,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:00,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:00,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:00,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:00,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:00,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:00,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:00,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 20:01:00,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:00,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:00,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:00,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:00,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:00,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:00,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:00,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:00,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:00,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:00,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:00,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:00,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 20:01:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:00,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:00,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:00,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:00,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:00,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:00,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:00,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:00,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:00,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:00,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:00,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:00,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 20:01:00,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:00,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:00,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:00,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:00,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:00,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:00,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:00,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:00,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:00,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:00,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:00,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:00,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 20:01:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:00,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:00,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:00,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:00,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:00,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:00,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:00,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:00,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:00,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:00,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:00,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:00,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 20:01:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:00,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:00,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:00,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:00,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:00,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:00,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:00,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:00,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:00,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:00,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:00,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:00,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-28 20:01:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:00,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:00,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:00,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 20:01:00,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:00,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 20:01:00,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:00,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:00,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:00,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 20:01:00,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:00,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:00,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 20:01:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:00,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:00,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:00,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:01:00,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:00,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:00,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:00,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:00,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:00,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:01:00,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:00,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:00,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 20:01:00,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1242462128] [2020-10-28 20:01:00,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 20:01:00,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 20:01:00,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983423251] [2020-10-28 20:01:00,376 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 20:01:00,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 20:01:00,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 20:01:00,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-28 20:01:00,377 INFO L87 Difference]: Start difference. First operand 4960 states and 7115 transitions. Second operand 10 states. [2020-10-28 20:01:00,544 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 20:01:02,141 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 20:01:04,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 20:01:04,853 INFO L93 Difference]: Finished difference Result 12481 states and 18342 transitions. [2020-10-28 20:01:04,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 20:01:04,853 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 136 [2020-10-28 20:01:04,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 20:01:04,886 INFO L225 Difference]: With dead ends: 12481 [2020-10-28 20:01:04,886 INFO L226 Difference]: Without dead ends: 7973 [2020-10-28 20:01:04,906 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2020-10-28 20:01:04,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7973 states. [2020-10-28 20:01:05,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7973 to 6260. [2020-10-28 20:01:05,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6260 states. [2020-10-28 20:01:05,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6260 states to 6260 states and 8625 transitions. [2020-10-28 20:01:05,763 INFO L78 Accepts]: Start accepts. Automaton has 6260 states and 8625 transitions. Word has length 136 [2020-10-28 20:01:05,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 20:01:05,764 INFO L481 AbstractCegarLoop]: Abstraction has 6260 states and 8625 transitions. [2020-10-28 20:01:05,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 20:01:05,764 INFO L276 IsEmpty]: Start isEmpty. Operand 6260 states and 8625 transitions. [2020-10-28 20:01:05,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-28 20:01:05,767 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 20:01:05,767 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 20:01:05,767 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 20:01:05,767 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 20:01:05,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 20:01:05,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1167329498, now seen corresponding path program 1 times [2020-10-28 20:01:05,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 20:01:05,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1481990664] [2020-10-28 20:01:05,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 20:01:05,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:05,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:05,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:05,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:05,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:05,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:05,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:06,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:10,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:10,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-28 20:01:10,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 20:01:10,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 20:01:10,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:10,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:10,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 20:01:10,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 20:01:10,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-28 20:01:10,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:10,955 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 20:01:10,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 20:01:10,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:10,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:10,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:10,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:01:10,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:10,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 20:01:10,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:10,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:10,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:10,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:10,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 20:01:10,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:10,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 20:01:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:11,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:11,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:11,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:01:11,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:11,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:01:11,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:11,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:11,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:11,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:11,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 20:01:11,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:11,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 20:01:11,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:11,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:11,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:11,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 20:01:11,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:11,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:11,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:11,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:11,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:11,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:11,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 20:01:11,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:11,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 20:01:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:11,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:11,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:11,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 20:01:11,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:11,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 20:01:11,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:11,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:11,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:11,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:11,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 20:01:11,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:11,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 20:01:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:11,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:11,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:11,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 20:01:11,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:11,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 20:01:11,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:11,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:11,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 20:01:11,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 20:01:11,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 20:01:11,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:11,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 20:01:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:11,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:11,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:11,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:11,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:11,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:11,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:16,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:16,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 20:01:16,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 20:01:16,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 20:01:16,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:16,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:16,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:16,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-28 20:01:16,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:16,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:16,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 20:01:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:16,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:16,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:16,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:16,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:16,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:16,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:16,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:16,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:16,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:16,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:16,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:16,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 20:01:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:16,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:16,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:16,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:16,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:16,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:16,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:16,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:16,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:16,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:16,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:16,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:16,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 20:01:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:16,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:16,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:16,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:16,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:16,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:16,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:16,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:16,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:16,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:16,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:16,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:16,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 20:01:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:16,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:16,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:16,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:16,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:16,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:16,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:16,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:16,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:16,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:16,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:16,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:16,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 20:01:16,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:16,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:16,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:16,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:16,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:16,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:16,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:16,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:16,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:16,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:16,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:16,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:16,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 20:01:16,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:16,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:16,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:16,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:16,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:16,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:16,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:16,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:16,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:16,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:16,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:16,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:16,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-28 20:01:16,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:16,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:16,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:16,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 20:01:16,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:16,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 20:01:16,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:16,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:16,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:16,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 20:01:16,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:16,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:16,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 20:01:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:16,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:16,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:16,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:01:16,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:16,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:16,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:16,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:16,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:16,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:01:16,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:16,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:16,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 20:01:16,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1481990664] [2020-10-28 20:01:16,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 20:01:16,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 20:01:16,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803091990] [2020-10-28 20:01:16,188 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 20:01:16,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 20:01:16,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 20:01:16,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 20:01:16,189 INFO L87 Difference]: Start difference. First operand 6260 states and 8625 transitions. Second operand 9 states. [2020-10-28 20:01:16,372 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 20:01:21,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 20:01:21,158 INFO L93 Difference]: Finished difference Result 14755 states and 21343 transitions. [2020-10-28 20:01:21,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 20:01:21,158 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 136 [2020-10-28 20:01:21,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 20:01:21,192 INFO L225 Difference]: With dead ends: 14755 [2020-10-28 20:01:21,192 INFO L226 Difference]: Without dead ends: 9052 [2020-10-28 20:01:21,208 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2020-10-28 20:01:21,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9052 states. [2020-10-28 20:01:22,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9052 to 6915. [2020-10-28 20:01:22,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6915 states. [2020-10-28 20:01:22,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6915 states to 6915 states and 9330 transitions. [2020-10-28 20:01:22,133 INFO L78 Accepts]: Start accepts. Automaton has 6915 states and 9330 transitions. Word has length 136 [2020-10-28 20:01:22,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 20:01:22,134 INFO L481 AbstractCegarLoop]: Abstraction has 6915 states and 9330 transitions. [2020-10-28 20:01:22,134 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 20:01:22,134 INFO L276 IsEmpty]: Start isEmpty. Operand 6915 states and 9330 transitions. [2020-10-28 20:01:22,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-28 20:01:22,136 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 20:01:22,136 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 20:01:22,136 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 20:01:22,136 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 20:01:22,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 20:01:22,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1463584170, now seen corresponding path program 1 times [2020-10-28 20:01:22,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 20:01:22,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1267315368] [2020-10-28 20:01:22,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 20:01:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:22,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:22,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:22,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:22,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:22,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:22,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:22,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:27,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:27,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-28 20:01:27,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 20:01:27,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 20:01:27,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:27,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:27,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 20:01:27,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 20:01:27,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-28 20:01:27,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:27,332 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 20:01:27,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 20:01:27,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:27,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:27,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:27,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:01:27,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:27,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 20:01:27,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:27,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:27,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:27,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:27,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 20:01:27,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:27,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 20:01:27,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:27,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:27,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:27,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:01:27,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:27,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 20:01:27,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:27,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:27,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:27,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:27,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 20:01:27,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:27,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 20:01:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:27,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:27,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:27,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 20:01:27,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:27,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:27,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:27,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:27,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:27,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:27,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 20:01:27,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:27,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 20:01:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:27,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:27,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:27,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 20:01:27,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:27,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 20:01:27,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:27,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:27,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:27,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:27,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 20:01:27,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:27,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 20:01:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:27,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:27,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:27,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 20:01:27,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:27,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 20:01:27,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:27,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:27,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 20:01:27,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 20:01:27,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 20:01:27,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:27,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 20:01:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:27,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:27,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:27,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:27,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:27,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:27,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:32,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:32,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 20:01:32,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 20:01:32,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5049 [2020-10-28 20:01:32,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:32,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:32,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:32,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-28 20:01:32,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:32,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:32,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 20:01:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:32,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:32,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:32,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:32,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:32,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:32,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:32,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:32,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:32,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:32,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:32,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:32,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 20:01:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:32,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:32,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:32,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:32,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:32,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:32,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:32,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:32,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:32,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:32,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:32,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:32,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 20:01:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:32,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:32,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:32,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:32,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:32,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:32,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:32,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:32,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:32,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:32,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:32,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:32,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 20:01:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:32,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:32,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:32,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:32,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:32,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:32,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:32,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:32,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:32,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:32,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:32,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:32,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 20:01:32,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:32,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:32,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:32,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:32,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:32,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:32,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:32,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:32,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:32,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:32,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:32,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:32,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 20:01:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:32,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:32,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:32,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:32,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:32,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:32,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:32,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:32,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:32,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:32,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:32,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:32,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-28 20:01:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:32,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:32,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:32,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 20:01:32,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:32,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 20:01:32,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:32,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:32,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:32,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 20:01:32,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:32,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:32,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 20:01:32,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:32,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:32,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:32,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:01:32,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:32,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:32,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:32,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:32,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:32,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:01:32,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:32,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:32,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 20:01:32,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1267315368] [2020-10-28 20:01:32,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 20:01:32,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 20:01:32,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508762155] [2020-10-28 20:01:32,607 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 20:01:32,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 20:01:32,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 20:01:32,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-28 20:01:32,607 INFO L87 Difference]: Start difference. First operand 6915 states and 9330 transitions. Second operand 10 states. [2020-10-28 20:01:32,786 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 20:01:34,978 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 20:01:38,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 20:01:38,013 INFO L93 Difference]: Finished difference Result 16956 states and 24617 transitions. [2020-10-28 20:01:38,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 20:01:38,014 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 136 [2020-10-28 20:01:38,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 20:01:38,057 INFO L225 Difference]: With dead ends: 16956 [2020-10-28 20:01:38,057 INFO L226 Difference]: Without dead ends: 10087 [2020-10-28 20:01:38,080 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-10-28 20:01:38,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10087 states. [2020-10-28 20:01:39,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10087 to 7570. [2020-10-28 20:01:39,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7570 states. [2020-10-28 20:01:39,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7570 states to 7570 states and 10003 transitions. [2020-10-28 20:01:39,183 INFO L78 Accepts]: Start accepts. Automaton has 7570 states and 10003 transitions. Word has length 136 [2020-10-28 20:01:39,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 20:01:39,183 INFO L481 AbstractCegarLoop]: Abstraction has 7570 states and 10003 transitions. [2020-10-28 20:01:39,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 20:01:39,184 INFO L276 IsEmpty]: Start isEmpty. Operand 7570 states and 10003 transitions. [2020-10-28 20:01:39,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-28 20:01:39,186 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 20:01:39,186 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 20:01:39,186 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 20:01:39,186 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 20:01:39,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 20:01:39,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1499588954, now seen corresponding path program 1 times [2020-10-28 20:01:39,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 20:01:39,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2143810619] [2020-10-28 20:01:39,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 20:01:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:39,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:39,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:39,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:39,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:39,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:39,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:39,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:44,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:44,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-28 20:01:44,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 20:01:44,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 20:01:44,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:44,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:44,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 20:01:44,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 20:01:44,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-28 20:01:44,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:44,370 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 20:01:44,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 20:01:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:44,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:44,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:44,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:01:44,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:44,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 20:01:44,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:44,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:44,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:44,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:44,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 20:01:44,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:44,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 20:01:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:44,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:44,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:44,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:01:44,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:44,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:01:44,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:44,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:44,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:44,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:44,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 20:01:44,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:44,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 20:01:44,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:44,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:44,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:44,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 20:01:44,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:44,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:44,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:44,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:44,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:44,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:44,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 20:01:44,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:44,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 20:01:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:44,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:44,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:44,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 20:01:44,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:44,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 20:01:44,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:44,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:44,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:44,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:44,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 20:01:44,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:44,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 20:01:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:44,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:44,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:44,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 20:01:44,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:44,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 20:01:44,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:44,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:44,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 20:01:44,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 20:01:44,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 20:01:44,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:44,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 20:01:44,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:44,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:44,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:44,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:44,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:44,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:44,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:49,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:49,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 20:01:49,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 20:01:49,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 20:01:49,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:49,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:49,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:49,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-28 20:01:49,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:49,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:49,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 20:01:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:49,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:49,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:49,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:49,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:49,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:49,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:49,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:49,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:49,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:49,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:49,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:49,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 20:01:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:49,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:49,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:49,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:49,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:49,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:49,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:49,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:49,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:49,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:49,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:49,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:49,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 20:01:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:49,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:49,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:49,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:49,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:49,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:49,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:49,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:49,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:49,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:49,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:49,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:49,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 20:01:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:49,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:49,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:49,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:49,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:49,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:49,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:49,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:49,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:49,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:49,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:49,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:49,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 20:01:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:49,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:49,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:49,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:49,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:49,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:49,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:49,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:49,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:49,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:49,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:49,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:49,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 20:01:49,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:49,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:49,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:49,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:49,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:49,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:49,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:49,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:49,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:49,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:49,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:49,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:49,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-28 20:01:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:49,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:49,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:49,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 20:01:49,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:49,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:01:49,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:49,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:49,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:49,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 20:01:49,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:49,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:49,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 20:01:49,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:49,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:49,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:49,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:01:49,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:49,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:49,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:49,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:49,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:49,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:01:49,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:49,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:49,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 20:01:49,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2143810619] [2020-10-28 20:01:49,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 20:01:49,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 20:01:49,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274004041] [2020-10-28 20:01:49,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 20:01:49,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 20:01:49,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 20:01:49,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-28 20:01:49,583 INFO L87 Difference]: Start difference. First operand 7570 states and 10003 transitions. Second operand 10 states. [2020-10-28 20:01:49,770 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 20:01:51,588 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 121