/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product55.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:45:36,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:45:36,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:45:36,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:45:36,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:45:36,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:45:36,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:45:36,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:45:36,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:45:36,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:45:36,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:45:36,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:45:36,575 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:45:36,576 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:45:36,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:45:36,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:45:36,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:45:36,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:45:36,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:45:36,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:45:36,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:45:36,587 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:45:36,588 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:45:36,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:45:36,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:45:36,593 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:45:36,593 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:45:36,597 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:45:36,598 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:45:36,599 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:45:36,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:45:36,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:45:36,600 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:45:36,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:45:36,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:45:36,604 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:45:36,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:45:36,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:45:36,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:45:36,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:45:36,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:45:36,610 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 [2020-09-24 15:45:36,653 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:45:36,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:45:36,656 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:45:36,656 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:45:36,656 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:45:36,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:45:36,657 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:45:36,657 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:45:36,657 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:45:36,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:45:36,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:45:36,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:45:36,659 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:45:36,659 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:45:36,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:45:36,660 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:45:36,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:45:36,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:45:36,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:45:36,661 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:45:36,661 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:45:36,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:45:36,661 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:45:36,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:45:36,662 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:45:36,662 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:45:36,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:45:36,662 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:45:36,663 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:45:36,663 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement 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;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 15:45:37,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:45:37,144 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:45:37,148 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:45:37,150 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:45:37,151 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:45:37,152 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product55.cil.c [2020-09-24 15:45:37,239 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d8c98a7fa/d643216ace5f4fd6b535067a35a2ee23/FLAG9afa38650 [2020-09-24 15:45:37,885 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:45:37,886 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product55.cil.c [2020-09-24 15:45:37,915 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d8c98a7fa/d643216ace5f4fd6b535067a35a2ee23/FLAG9afa38650 [2020-09-24 15:45:38,155 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d8c98a7fa/d643216ace5f4fd6b535067a35a2ee23 [2020-09-24 15:45:38,169 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:45:38,175 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:45:38,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:45:38,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:45:38,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:45:38,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:45:38" (1/1) ... [2020-09-24 15:45:38,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b54cc27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:38, skipping insertion in model container [2020-09-24 15:45:38,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:45:38" (1/1) ... [2020-09-24 15:45:38,195 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:45:38,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:45:38,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:45:38,755 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:45:38,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:45:38,929 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:45:38,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:38 WrapperNode [2020-09-24 15:45:38,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:45:38,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:45:38,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:45:38,931 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:45:38,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:38" (1/1) ... [2020-09-24 15:45:38,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:38" (1/1) ... [2020-09-24 15:45:38,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:38" (1/1) ... [2020-09-24 15:45:38,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:38" (1/1) ... [2020-09-24 15:45:39,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:38" (1/1) ... [2020-09-24 15:45:39,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:38" (1/1) ... [2020-09-24 15:45:39,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:38" (1/1) ... [2020-09-24 15:45:39,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:45:39,036 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:45:39,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:45:39,036 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:45:39,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:38" (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 [2020-09-24 15:45:39,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:45:39,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:45:39,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:45:39,142 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:45:39,142 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:45:39,142 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:45:39,143 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:45:39,143 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:45:39,144 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:45:39,144 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:45:39,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:45:39,144 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:45:39,144 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:45:39,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:45:39,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 15:45:39,146 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:45:39,146 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:45:39,146 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:45:39,146 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:45:39,147 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-24 15:45:39,147 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:45:39,148 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:45:39,148 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:45:39,149 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:45:39,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:45:39,151 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:45:39,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:45:39,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 15:45:39,151 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 15:45:39,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:45:39,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:45:39,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:45:39,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:45:39,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:45:39,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:45:39,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-24 15:45:39,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-24 15:45:39,153 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:45:39,153 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:45:39,154 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:45:39,154 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:45:39,154 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:45:39,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:45:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:45:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:45:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:45:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:45:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:45:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:45:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:45:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:45:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:45:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:45:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:45:39,157 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:45:39,157 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:45:39,157 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:45:39,157 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 15:45:39,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:45:39,158 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 15:45:39,158 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:45:39,158 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:45:39,158 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:45:39,158 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:45:39,158 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:45:39,159 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:45:39,159 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:45:39,159 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-24 15:45:39,159 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:45:39,159 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:45:39,159 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:45:39,161 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:45:39,161 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 15:45:39,162 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-24 15:45:39,162 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:45:39,162 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:45:39,162 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:45:39,162 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:45:39,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:45:39,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:45:39,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:45:39,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:45:39,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:45:39,164 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:45:39,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:45:39,164 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:45:39,165 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:45:39,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:45:39,165 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:45:39,165 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:45:39,165 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:45:39,165 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:45:39,165 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-24 15:45:39,166 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:45:39,166 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:45:39,166 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:45:39,166 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:45:39,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:45:39,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:45:39,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:45:40,546 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:45:40,546 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:45:40,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:45:40 BoogieIcfgContainer [2020-09-24 15:45:40,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:45:40,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:45:40,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:45:40,565 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:45:40,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:45:38" (1/3) ... [2020-09-24 15:45:40,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ce4caff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:45:40, skipping insertion in model container [2020-09-24 15:45:40,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:38" (2/3) ... [2020-09-24 15:45:40,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ce4caff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:45:40, skipping insertion in model container [2020-09-24 15:45:40,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:45:40" (3/3) ... [2020-09-24 15:45:40,569 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product55.cil.c [2020-09-24 15:45:40,580 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:45:40,591 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:45:40,612 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:45:40,643 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:45:40,643 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:45:40,643 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:45:40,643 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:45:40,643 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:45:40,644 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:45:40,647 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:45:40,647 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:45:40,676 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states. [2020-09-24 15:45:40,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 15:45:40,695 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:40,697 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:40,697 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:40,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:40,705 INFO L82 PathProgramCache]: Analyzing trace with hash -415680263, now seen corresponding path program 1 times [2020-09-24 15:45:40,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:40,715 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1121328327] [2020-09-24 15:45:40,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:41,071 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:41,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:41,071 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:41,072 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:41,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 15:45:41,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:41,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 15:45:41,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:41,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:41,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 15:45:41,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:41,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-09-24 15:45:41,624 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:41,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:41,642 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:41,642 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:41,642 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:41,642 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:41,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:41,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:41,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:41,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:41,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:41,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:41,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:41,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:41,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:41,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:41,725 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:41,725 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:41,725 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:41,726 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:41,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:41,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:41,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:41,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:41,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:41,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:41,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:41,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:41,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:41,730 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:41,731 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:41,731 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:41,731 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:41,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:41,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:41,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:41,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:41,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:41,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:41,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:41,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:41,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:41,736 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:41,736 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:41,736 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:41,736 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:41,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:41,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:41,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:41,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:41,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:41,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:41,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:41,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:41,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:41,744 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:41,744 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:41,745 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:41,745 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:41,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:41,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:41,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:41,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:41,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:41,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:41,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:41,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:41,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:41,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:41,777 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:41,778 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:41,778 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:41,779 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:41,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:41,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:41,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:41,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:41,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:41,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:41,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:41,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:41,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:41,788 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:41,788 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:41,788 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:41,788 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:41,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:41,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:41,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:41,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:41,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:41,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:41,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:41,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:41,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 15:45:41,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:41,795 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:41,795 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:41,795 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:41,796 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:41,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:41,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:41,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:41,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:41,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:41,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:41,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:41,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 15:45:41,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:45:41,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1121328327] [2020-09-24 15:45:41,835 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:41,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:45:41,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54554811] [2020-09-24 15:45:41,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:45:41,845 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:41,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:45:41,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:45:41,866 INFO L87 Difference]: Start difference. First operand 347 states. Second operand 4 states. [2020-09-24 15:45:43,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:43,416 INFO L93 Difference]: Finished difference Result 559 states and 665 transitions. [2020-09-24 15:45:43,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 15:45:43,419 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-24 15:45:43,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:43,457 INFO L225 Difference]: With dead ends: 559 [2020-09-24 15:45:43,457 INFO L226 Difference]: Without dead ends: 348 [2020-09-24 15:45:43,469 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:45:43,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2020-09-24 15:45:43,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 296. [2020-09-24 15:45:43,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-09-24 15:45:43,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 326 transitions. [2020-09-24 15:45:43,617 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 326 transitions. Word has length 148 [2020-09-24 15:45:43,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:43,618 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 326 transitions. [2020-09-24 15:45:43,618 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:45:43,618 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 326 transitions. [2020-09-24 15:45:43,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-24 15:45:43,624 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:43,624 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:43,624 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:45:43,625 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:43,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:43,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1732114662, now seen corresponding path program 1 times [2020-09-24 15:45:43,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:43,626 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2029856145] [2020-09-24 15:45:43,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:43,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:43,720 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:43,720 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:43,721 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:43,721 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:43,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-24 15:45:43,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:43,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:45:43,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:43,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:43,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 15:45:43,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:45:43,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,121 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:44,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:44,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,134 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,134 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,134 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,134 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:44,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:44,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:44,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:44,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:44,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,178 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,179 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,179 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,179 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:44,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:44,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:44,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:44,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:44,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,183 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,183 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,183 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,184 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:44,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:44,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:44,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:44,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:44,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,187 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,188 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,188 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,188 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:44,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:44,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:44,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:44,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:44,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:44,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,192 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,193 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,193 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,193 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:44,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:44,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:44,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:44,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:44,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:44,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,204 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,204 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,204 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,205 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:44,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:44,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:44,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:44,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:44,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 15:45:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,209 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,209 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,210 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,210 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:44,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:44,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:44,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:44,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:44,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:45:44,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,214 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,214 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,215 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,215 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:44,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:44,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:44,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:44,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:44,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:44,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:45:44,240 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2029856145] [2020-09-24 15:45:44,240 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:44,240 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:45:44,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633624635] [2020-09-24 15:45:44,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:45:44,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:44,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:45:44,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:45:44,244 INFO L87 Difference]: Start difference. First operand 296 states and 326 transitions. Second operand 5 states. [2020-09-24 15:45:44,986 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:46,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:46,333 INFO L93 Difference]: Finished difference Result 482 states and 552 transitions. [2020-09-24 15:45:46,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:45:46,334 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-24 15:45:46,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:46,340 INFO L225 Difference]: With dead ends: 482 [2020-09-24 15:45:46,340 INFO L226 Difference]: Without dead ends: 337 [2020-09-24 15:45:46,342 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:45:46,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2020-09-24 15:45:46,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 286. [2020-09-24 15:45:46,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-09-24 15:45:46,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 313 transitions. [2020-09-24 15:45:46,390 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 313 transitions. Word has length 149 [2020-09-24 15:45:46,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:46,390 INFO L479 AbstractCegarLoop]: Abstraction has 286 states and 313 transitions. [2020-09-24 15:45:46,391 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:45:46,391 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 313 transitions. [2020-09-24 15:45:46,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-09-24 15:45:46,394 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:46,394 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:46,394 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:45:46,394 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:46,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:46,395 INFO L82 PathProgramCache]: Analyzing trace with hash 1476676505, now seen corresponding path program 1 times [2020-09-24 15:45:46,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:46,395 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1245983965] [2020-09-24 15:45:46,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,483 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:45:46,484 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,484 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,484 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-09-24 15:45:46,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 15:45:46,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:45:46,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:45:46,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:45:46,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:46,880 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:46,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,926 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,926 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,926 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,926 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:46,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:46,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:46,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:46,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:45:46,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:47,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:47,082 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:47,083 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:47,083 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:47,083 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:47,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:47,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:47,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:47,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:47,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:47,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:47,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:47,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:47,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:47,092 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:47,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:47,092 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:47,096 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:47,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:47,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:47,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:47,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:47,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:47,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:47,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:47,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:47,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:47,103 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:47,104 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:47,104 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:47,105 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:47,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:47,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:47,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:47,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:47,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:47,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:47,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:47,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:47,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:47,116 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:47,116 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:47,117 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:47,117 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:47,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:47,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:47,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:47,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:47,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:47,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:47,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:47,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:45:47,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:47,142 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:47,142 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:47,143 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:47,143 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:47,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:47,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:47,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:47,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:47,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:47,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:47,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:47,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:47,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 15:45:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:47,149 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:47,149 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:47,149 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:47,149 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:47,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:47,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:47,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:47,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:47,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:47,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:47,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:47,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:47,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-24 15:45:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:47,154 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:47,155 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:47,155 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:47,155 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:47,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:47,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:47,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:47,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:47,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:47,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:47,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:47,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:47,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:45:47,212 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1245983965] [2020-09-24 15:45:47,213 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:47,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:45:47,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872426412] [2020-09-24 15:45:47,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:45:47,214 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:47,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:45:47,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:45:47,215 INFO L87 Difference]: Start difference. First operand 286 states and 313 transitions. Second operand 5 states. [2020-09-24 15:45:47,752 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:49,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:49,954 INFO L93 Difference]: Finished difference Result 692 states and 805 transitions. [2020-09-24 15:45:49,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:45:49,955 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2020-09-24 15:45:49,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:49,960 INFO L225 Difference]: With dead ends: 692 [2020-09-24 15:45:49,960 INFO L226 Difference]: Without dead ends: 521 [2020-09-24 15:45:49,962 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:45:49,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2020-09-24 15:45:50,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 451. [2020-09-24 15:45:50,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2020-09-24 15:45:50,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 506 transitions. [2020-09-24 15:45:50,022 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 506 transitions. Word has length 158 [2020-09-24 15:45:50,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:50,023 INFO L479 AbstractCegarLoop]: Abstraction has 451 states and 506 transitions. [2020-09-24 15:45:50,023 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:45:50,023 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 506 transitions. [2020-09-24 15:45:50,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-24 15:45:50,026 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:50,026 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:50,027 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:45:50,027 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:50,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:50,027 INFO L82 PathProgramCache]: Analyzing trace with hash 309694267, now seen corresponding path program 1 times [2020-09-24 15:45:50,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:50,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [709154782] [2020-09-24 15:45:50,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,116 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,117 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,117 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,117 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-24 15:45:50,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 15:45:50,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:45:50,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 15:45:50,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-09-24 15:45:50,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,515 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:50,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,557 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,557 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,557 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,558 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:50,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:50,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:50,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:45:50,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:50,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,611 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,611 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,612 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,612 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:50,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:50,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:50,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:50,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,617 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,617 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,618 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,618 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:50,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:50,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:50,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:50,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:50,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,623 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,623 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,623 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,624 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:50,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:50,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:50,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:50,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,629 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,630 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,630 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,630 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:50,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:50,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:50,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:50,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,650 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,650 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,650 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,650 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:50,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:50,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:50,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:50,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:45:50,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,669 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,669 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,669 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,669 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:50,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:50,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:50,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:50,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:45:50,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,679 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,680 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,680 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,680 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:50,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:45:50,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:50,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:50,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 15:45:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,716 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,716 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,717 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:50,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:50,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:50,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:50,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:50,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:45:50,761 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [709154782] [2020-09-24 15:45:50,761 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:50,761 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:45:50,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156101560] [2020-09-24 15:45:50,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:45:50,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:50,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:45:50,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:45:50,763 INFO L87 Difference]: Start difference. First operand 451 states and 506 transitions. Second operand 10 states. [2020-09-24 15:45:51,404 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:52,679 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:53,069 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:45:53,580 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:53,933 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:54,556 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:55,013 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-24 15:45:55,446 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-24 15:45:56,070 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:57,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:57,628 INFO L93 Difference]: Finished difference Result 1253 states and 1511 transitions. [2020-09-24 15:45:57,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-24 15:45:57,629 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 167 [2020-09-24 15:45:57,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:57,636 INFO L225 Difference]: With dead ends: 1253 [2020-09-24 15:45:57,636 INFO L226 Difference]: Without dead ends: 917 [2020-09-24 15:45:57,637 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-24 15:45:57,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2020-09-24 15:45:57,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 754. [2020-09-24 15:45:57,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 754 states. [2020-09-24 15:45:57,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 859 transitions. [2020-09-24 15:45:57,806 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 859 transitions. Word has length 167 [2020-09-24 15:45:57,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:57,807 INFO L479 AbstractCegarLoop]: Abstraction has 754 states and 859 transitions. [2020-09-24 15:45:57,807 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:45:57,807 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 859 transitions. [2020-09-24 15:45:57,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-09-24 15:45:57,811 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:57,811 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:57,812 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:45:57,812 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:57,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:57,813 INFO L82 PathProgramCache]: Analyzing trace with hash 2125986584, now seen corresponding path program 1 times [2020-09-24 15:45:57,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:57,813 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [335258931] [2020-09-24 15:45:57,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:57,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:57,962 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:57,962 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:57,962 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:57,962 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:57,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-09-24 15:45:57,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:57,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-24 15:45:57,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:57,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:45:57,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 15:45:57,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-09-24 15:45:57,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:58,323 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:58,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:58,360 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:58,360 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:58,360 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:58,361 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:58,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:58,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:58,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:58,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:58,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:58,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:58,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:45:58,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:58,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:58,406 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:58,406 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:58,406 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:58,406 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:58,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:58,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:58,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:58,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:58,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:58,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:58,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:58,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:58,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:58,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:58,411 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:58,411 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:58,411 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:58,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:58,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:58,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:58,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:58,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:58,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:58,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:58,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:58,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:58,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:58,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:58,416 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:58,416 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:58,416 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:58,416 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:58,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:58,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:58,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:58,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:58,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:58,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:58,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:58,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:58,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:58,421 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:58,422 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:58,422 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:58,422 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:58,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:58,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:58,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:58,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:58,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:58,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:58,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:58,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:58,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:58,438 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:58,439 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:58,439 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:58,439 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:58,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:58,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:58,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:58,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:58,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:58,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:58,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:58,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:58,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:58,454 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:58,455 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:58,455 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:58,455 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:58,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:58,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:58,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:58,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:58,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:58,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:58,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:58,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:58,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:45:58,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:58,474 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:58,475 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:58,475 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:58,475 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:58,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:58,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:58,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:58,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:58,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:58,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:58,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:45:58,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:58,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 15:45:58,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:58,484 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:58,484 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:58,484 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:58,485 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:58,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:58,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:58,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:58,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:58,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:58,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:58,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:58,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:58,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-24 15:45:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:58,492 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:58,492 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:58,492 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:58,492 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:58,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:58,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:58,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:58,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:58,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:58,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:58,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:58,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:58,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:45:58,554 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [335258931] [2020-09-24 15:45:58,555 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:58,555 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:45:58,555 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006117439] [2020-09-24 15:45:58,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:45:58,556 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:58,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:45:58,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:45:58,557 INFO L87 Difference]: Start difference. First operand 754 states and 859 transitions. Second operand 11 states. [2020-09-24 15:45:59,058 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:46:00,523 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:46:00,827 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:46:01,164 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:46:01,509 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:46:01,867 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:46:02,642 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:46:02,918 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:46:03,263 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:46:04,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:46:04,806 INFO L93 Difference]: Finished difference Result 1996 states and 2485 transitions. [2020-09-24 15:46:04,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-24 15:46:04,806 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 172 [2020-09-24 15:46:04,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:46:04,815 INFO L225 Difference]: With dead ends: 1996 [2020-09-24 15:46:04,815 INFO L226 Difference]: Without dead ends: 1357 [2020-09-24 15:46:04,818 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=283, Invalid=773, Unknown=0, NotChecked=0, Total=1056 [2020-09-24 15:46:04,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1357 states. [2020-09-24 15:46:04,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1357 to 1100. [2020-09-24 15:46:04,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1100 states. [2020-09-24 15:46:04,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 1100 states and 1263 transitions. [2020-09-24 15:46:04,970 INFO L78 Accepts]: Start accepts. Automaton has 1100 states and 1263 transitions. Word has length 172 [2020-09-24 15:46:04,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:46:04,971 INFO L479 AbstractCegarLoop]: Abstraction has 1100 states and 1263 transitions. [2020-09-24 15:46:04,971 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:46:04,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1263 transitions. [2020-09-24 15:46:04,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-09-24 15:46:04,975 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:46:04,975 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:46:04,976 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:46:04,976 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:46:04,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:46:04,976 INFO L82 PathProgramCache]: Analyzing trace with hash -153528691, now seen corresponding path program 1 times [2020-09-24 15:46:04,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:46:04,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1599598972] [2020-09-24 15:46:04,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:46:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:05,038 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:05,039 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:05,039 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:05,039 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:05,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-09-24 15:46:05,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:05,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:46:05,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:05,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:46:05,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 196 [2020-09-24 15:46:05,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:46:05,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:05,319 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:46:05,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:46:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:05,329 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:05,330 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:05,330 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:05,330 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:05,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:46:05,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:05,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:05,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:05,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:05,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:05,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:05,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:05,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:46:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:05,365 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:05,365 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:05,366 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:05,366 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:05,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:05,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:05,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:05,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:05,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:05,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:05,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:05,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:05,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:46:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:05,370 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:05,370 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:05,370 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:05,370 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:05,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:05,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:05,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:05,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:05,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:05,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:05,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:05,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:05,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:46:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:05,374 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:05,374 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:05,374 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:05,375 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:05,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:05,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:05,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:05,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:05,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:05,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:05,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:05,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:05,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:46:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:05,379 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:05,379 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:05,379 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:05,379 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:05,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:05,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:05,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:05,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:05,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:05,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:05,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:05,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:05,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:46:05,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:05,388 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:05,388 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:05,388 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:05,388 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:05,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:05,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:05,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:05,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:05,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:05,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:05,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:05,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:05,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:46:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:05,401 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:05,402 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:05,402 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:05,402 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:05,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:05,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:05,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:05,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:05,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:05,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:05,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:05,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:05,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:46:05,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:05,421 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:05,421 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:05,422 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:05,422 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:05,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:46:05,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:05,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:46:05,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:05,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:46:05,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:46:05,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:46:05,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:05,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:05,450 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:05,456 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:05,456 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:05,456 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:05,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:46:05,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:05,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 15:46:05,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:05,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:46:05,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:46:05,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:46:05,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:46:05,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:05,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:05,480 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:05,480 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:05,480 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:05,481 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:05,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:46:05,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:05,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:46:05,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:05,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:46:05,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:46:05,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:46:05,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:05,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:05,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:05,517 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:05,517 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:05,517 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:05,518 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:05,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:46:05,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:05,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:46:05,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:05,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:46:05,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:05,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:46:05,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:05,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:46:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:05,566 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:05,567 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:05,567 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:05,568 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:05,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:46:05,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:05,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:05,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:05,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:05,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:05,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:05,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:05,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:46:05,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:05,576 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:05,577 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:05,577 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:05,578 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:05,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:05,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:05,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:05,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:05,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:05,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:46:05,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:05,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:05,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-09-24 15:46:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:05,588 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:05,589 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:05,589 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:05,589 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:05,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:05,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:05,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:05,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:05,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:05,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:05,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:05,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:05,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-24 15:46:05,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:05,597 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:05,597 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:05,597 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:05,598 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:05,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:05,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:05,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:05,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:05,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:05,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:05,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:05,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:05,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:46:05,662 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1599598972] [2020-09-24 15:46:05,664 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:46:05,664 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:46:05,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496778872] [2020-09-24 15:46:05,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:46:05,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:46:05,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:46:05,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:46:05,666 INFO L87 Difference]: Start difference. First operand 1100 states and 1263 transitions. Second operand 11 states. [2020-09-24 15:46:07,102 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:46:07,409 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:46:07,717 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:46:08,054 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:46:08,384 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:46:08,700 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:46:10,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:46:10,190 INFO L93 Difference]: Finished difference Result 2428 states and 2967 transitions. [2020-09-24 15:46:10,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 15:46:10,191 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 206 [2020-09-24 15:46:10,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:46:10,198 INFO L225 Difference]: With dead ends: 2428 [2020-09-24 15:46:10,199 INFO L226 Difference]: Without dead ends: 1443 [2020-09-24 15:46:10,202 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:46:10,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2020-09-24 15:46:10,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 1138. [2020-09-24 15:46:10,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1138 states. [2020-09-24 15:46:10,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1303 transitions. [2020-09-24 15:46:10,347 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1303 transitions. Word has length 206 [2020-09-24 15:46:10,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:46:10,347 INFO L479 AbstractCegarLoop]: Abstraction has 1138 states and 1303 transitions. [2020-09-24 15:46:10,347 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:46:10,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1303 transitions. [2020-09-24 15:46:10,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-09-24 15:46:10,353 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:46:10,353 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:46:10,353 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:46:10,353 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:46:10,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:46:10,354 INFO L82 PathProgramCache]: Analyzing trace with hash -215857427, now seen corresponding path program 1 times [2020-09-24 15:46:10,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:46:10,360 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [390927669] [2020-09-24 15:46:10,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:46:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:10,420 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:46:10,420 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -83 [2020-09-24 15:46:10,421 FATAL L256 erpolLogProxyWrapper]: Difference in width: 83 [2020-09-24 15:46:10,421 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:10,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-09-24 15:46:10,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:10,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:46:10,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:10,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:46:10,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 188 [2020-09-24 15:46:10,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:46:10,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:10,711 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:46:10,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:46:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:10,723 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:10,723 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:10,724 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:10,724 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:10,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:46:10,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:10,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:10,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:10,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:10,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:10,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:10,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:10,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:46:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:10,756 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:10,756 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:10,756 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:10,757 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:10,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:10,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:10,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:10,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:10,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:10,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:10,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:10,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:10,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:46:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:10,760 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:10,760 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:10,760 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:10,760 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:10,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:10,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:10,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:10,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:10,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:10,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:10,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:10,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:10,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:46:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:10,764 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:10,764 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:10,764 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:10,764 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:10,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:10,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:10,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:10,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:10,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:10,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:10,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:10,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:10,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:46:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:10,768 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:10,768 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:10,768 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:10,769 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:10,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:10,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:10,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:10,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:10,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:10,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:10,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:10,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:10,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:46:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:10,777 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:10,777 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:10,778 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:10,778 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:10,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:10,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:10,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:10,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:10,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:10,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:10,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:10,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:10,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:46:10,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:10,798 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:10,798 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:10,799 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:10,799 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:10,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:10,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:10,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:10,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:10,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:10,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:10,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:10,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:10,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:46:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:10,822 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:10,822 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:10,822 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:10,823 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:10,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:46:10,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:10,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:46:10,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:10,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:46:10,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 15:46:10,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:46:10,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:10,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:10,842 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:10,842 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:10,842 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:10,843 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:10,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:46:10,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:10,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:46:10,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:10,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:46:10,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:46:10,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:46:10,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:10,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:10,859 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:10,859 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:10,860 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:10,860 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:10,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:46:10,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:10,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:46:10,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:10,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:46:10,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:46:10,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:46:10,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:10,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:10,870 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:10,871 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:10,871 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:10,871 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:10,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:46:10,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:10,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:46:10,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:10,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:46:10,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:46:10,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:46:10,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:10,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:46:10,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:10,903 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:10,903 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:10,903 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:10,904 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:10,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:46:10,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:10,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:10,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:10,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:46:10,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:10,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:46:10,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:10,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:46:10,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:10,935 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:10,935 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:10,935 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:10,936 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:10,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:10,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:10,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:10,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:10,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:10,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:46:10,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:10,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:10,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-09-24 15:46:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:10,943 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:10,944 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:10,944 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:10,944 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:10,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:10,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:10,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:10,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:10,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:10,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:10,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:10,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:10,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-24 15:46:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:10,948 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:10,948 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:10,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:10,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:10,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:10,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:10,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:10,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:10,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:10,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:10,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:10,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:10,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:46:10,987 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [390927669] [2020-09-24 15:46:10,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:46:10,988 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:46:10,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873558249] [2020-09-24 15:46:10,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:46:10,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:46:10,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:46:10,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:46:10,990 INFO L87 Difference]: Start difference. First operand 1138 states and 1303 transitions. Second operand 10 states. [2020-09-24 15:46:12,243 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:46:12,534 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:46:12,865 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:46:13,178 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:46:13,468 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:46:14,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:46:14,858 INFO L93 Difference]: Finished difference Result 2510 states and 3106 transitions. [2020-09-24 15:46:14,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:46:14,859 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 206 [2020-09-24 15:46:14,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:46:14,868 INFO L225 Difference]: With dead ends: 2510 [2020-09-24 15:46:14,868 INFO L226 Difference]: Without dead ends: 1487 [2020-09-24 15:46:14,872 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:46:14,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1487 states. [2020-09-24 15:46:15,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1487 to 1162. [2020-09-24 15:46:15,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1162 states. [2020-09-24 15:46:15,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 1162 states and 1327 transitions. [2020-09-24 15:46:15,080 INFO L78 Accepts]: Start accepts. Automaton has 1162 states and 1327 transitions. Word has length 206 [2020-09-24 15:46:15,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:46:15,081 INFO L479 AbstractCegarLoop]: Abstraction has 1162 states and 1327 transitions. [2020-09-24 15:46:15,081 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:46:15,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1327 transitions. [2020-09-24 15:46:15,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-09-24 15:46:15,084 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:46:15,084 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:46:15,084 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:46:15,084 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:46:15,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:46:15,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1924048490, now seen corresponding path program 1 times [2020-09-24 15:46:15,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:46:15,085 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [865378742] [2020-09-24 15:46:15,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:46:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:15,172 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:15,172 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:15,172 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:15,172 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:15,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-09-24 15:46:15,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:15,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 15:46:15,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:15,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:46:15,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 15:46:15,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-24 15:46:15,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:15,474 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:46:15,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:46:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:15,506 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:15,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:15,507 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:15,507 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:15,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:46:15,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:15,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:15,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:15,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:15,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:15,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:46:15,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:15,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:46:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:15,553 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:15,554 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:15,554 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:15,554 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:15,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:15,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:15,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:15,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:15,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:15,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:15,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:46:15,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:15,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:46:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:15,559 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:15,559 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:15,560 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:15,560 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:15,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:15,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:15,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:15,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:15,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:15,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:15,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:46:15,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:15,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:46:15,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:15,564 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:15,565 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:15,565 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:15,565 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:15,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:15,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:15,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:15,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:15,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:15,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:15,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:46:15,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:15,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:46:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:15,573 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:15,573 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:15,573 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:15,574 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:15,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:15,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:15,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:46:15,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:15,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:15,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:15,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:46:15,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:15,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:46:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:15,592 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:15,593 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:15,593 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:15,593 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:15,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:15,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:15,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:15,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:15,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:15,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:15,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:46:15,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:15,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:46:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:15,611 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:15,612 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:15,612 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:15,612 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:15,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:15,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:15,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:15,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:15,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:15,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:15,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:46:15,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:15,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:46:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:15,628 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:15,629 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:15,629 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:15,629 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:15,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:46:15,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:15,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:15,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:15,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:15,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-24 15:46:15,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:46:15,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:15,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:15,650 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:15,650 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:15,651 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:15,653 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:15,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:46:15,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:15,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:46:15,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:15,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:15,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:15,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:46:15,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:15,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:15,673 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:15,673 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:15,673 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:15,673 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:15,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:46:15,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:15,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:15,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:15,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:15,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:15,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:46:15,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:15,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:15,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:15,692 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:15,692 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:15,692 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:15,693 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:15,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:46:15,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:15,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:15,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:15,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:15,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:15,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:46:15,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:15,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:46:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:15,710 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:15,710 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:15,710 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:15,710 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:15,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:46:15,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:15,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:15,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:15,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:15,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:15,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:46:15,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:15,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:46:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:15,728 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:15,728 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:15,728 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:15,728 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:15,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:15,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:15,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:15,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:15,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:15,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:15,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:46:15,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:15,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-09-24 15:46:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:15,736 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:15,736 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:15,736 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:15,736 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:15,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:15,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:15,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:15,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:15,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:15,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:15,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:15,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:15,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-24 15:46:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:15,740 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:15,740 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:15,741 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:15,741 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:15,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:15,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:15,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:15,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:15,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:15,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:15,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:15,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:15,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:46:15,783 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [865378742] [2020-09-24 15:46:15,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:46:15,783 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:46:15,783 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879619817] [2020-09-24 15:46:15,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:46:15,784 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:46:15,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:46:15,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:46:15,785 INFO L87 Difference]: Start difference. First operand 1162 states and 1327 transitions. Second operand 8 states. [2020-09-24 15:46:16,245 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:46:16,816 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:46:19,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:46:19,973 INFO L93 Difference]: Finished difference Result 3647 states and 4545 transitions. [2020-09-24 15:46:19,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-24 15:46:19,974 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 206 [2020-09-24 15:46:19,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:46:19,990 INFO L225 Difference]: With dead ends: 3647 [2020-09-24 15:46:19,990 INFO L226 Difference]: Without dead ends: 2600 [2020-09-24 15:46:19,995 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 40 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2020-09-24 15:46:19,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2600 states. [2020-09-24 15:46:20,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2600 to 2154. [2020-09-24 15:46:20,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2154 states. [2020-09-24 15:46:20,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 2154 states and 2489 transitions. [2020-09-24 15:46:20,404 INFO L78 Accepts]: Start accepts. Automaton has 2154 states and 2489 transitions. Word has length 206 [2020-09-24 15:46:20,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:46:20,405 INFO L479 AbstractCegarLoop]: Abstraction has 2154 states and 2489 transitions. [2020-09-24 15:46:20,405 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:46:20,405 INFO L276 IsEmpty]: Start isEmpty. Operand 2154 states and 2489 transitions. [2020-09-24 15:46:20,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-09-24 15:46:20,411 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:46:20,411 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:46:20,412 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:46:20,412 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:46:20,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:46:20,413 INFO L82 PathProgramCache]: Analyzing trace with hash -369911048, now seen corresponding path program 1 times [2020-09-24 15:46:20,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:46:20,413 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1205731329] [2020-09-24 15:46:20,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:46:20,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,555 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,556 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,556 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,556 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 258 [2020-09-24 15:46:20,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:46:20,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:46:20,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-24 15:46:20,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-24 15:46:20,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,849 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:46:20,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:46:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,857 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,857 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,857 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:46:20,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:20,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:20,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:20,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:20,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:46:20,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,893 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,893 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,894 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,894 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:20,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:20,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:20,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:20,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:20,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:46:20,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,897 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,897 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,897 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,897 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:20,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:20,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:20,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:20,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:20,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:46:20,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,915 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,915 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,915 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,915 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:20,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:20,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:20,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:20,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:20,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:46:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,920 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,920 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,920 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,920 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:20,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:20,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:20,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:20,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:20,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:46:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,937 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,937 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,941 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,941 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:20,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:46:20,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:20,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:20,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:46:20,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:20,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:46:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,960 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,960 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,960 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,962 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:20,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:46:20,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:20,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:20,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:46:20,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:46:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,980 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,980 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,980 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,981 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:20,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:20,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:20,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:20,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:46:20,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-24 15:46:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:21,001 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:21,001 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:21,001 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:21,002 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:21,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:46:21,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:21,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:21,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:21,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:21,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:21,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-24 15:46:21,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:21,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:21,011 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:21,012 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:21,012 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:21,012 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:21,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:46:21,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:21,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:21,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:21,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:21,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:21,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:21,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:21,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:21,022 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:21,022 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:21,023 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:21,023 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:21,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:46:21,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:21,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:21,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:21,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:21,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:21,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:21,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:21,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:21,031 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:21,031 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:21,032 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:21,032 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:21,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:46:21,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:21,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:21,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:21,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:21,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:21,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:21,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:21,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:46:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:21,037 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:21,037 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:21,037 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:21,037 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:21,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:46:21,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:21,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:21,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:21,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:21,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:21,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:21,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:21,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:46:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:21,042 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:21,042 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:21,042 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:21,042 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:21,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:21,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:21,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:21,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:21,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:21,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:21,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:21,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:21,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-24 15:46:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:21,051 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:21,051 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:21,052 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:21,052 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:21,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:21,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:21,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:46:21,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:21,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:21,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:21,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:46:21,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:21,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-24 15:46:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:21,057 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:21,057 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:21,057 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:21,058 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:21,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:21,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:21,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:21,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:21,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:21,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:21,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:46:21,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:21,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:46:21,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1205731329] [2020-09-24 15:46:21,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:46:21,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:46:21,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641814265] [2020-09-24 15:46:21,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:46:21,110 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:46:21,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:46:21,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:46:21,111 INFO L87 Difference]: Start difference. First operand 2154 states and 2489 transitions. Second operand 8 states. [2020-09-24 15:46:21,652 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:46:25,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:46:25,208 INFO L93 Difference]: Finished difference Result 4343 states and 5458 transitions. [2020-09-24 15:46:25,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-24 15:46:25,211 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 211 [2020-09-24 15:46:25,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:46:25,234 INFO L225 Difference]: With dead ends: 4343 [2020-09-24 15:46:25,235 INFO L226 Difference]: Without dead ends: 4340 [2020-09-24 15:46:25,237 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=225, Invalid=587, Unknown=0, NotChecked=0, Total=812 [2020-09-24 15:46:25,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4340 states. [2020-09-24 15:46:25,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4340 to 3595. [2020-09-24 15:46:25,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3595 states. [2020-09-24 15:46:25,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3595 states to 3595 states and 4271 transitions. [2020-09-24 15:46:25,844 INFO L78 Accepts]: Start accepts. Automaton has 3595 states and 4271 transitions. Word has length 211 [2020-09-24 15:46:25,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:46:25,844 INFO L479 AbstractCegarLoop]: Abstraction has 3595 states and 4271 transitions. [2020-09-24 15:46:25,844 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:46:25,845 INFO L276 IsEmpty]: Start isEmpty. Operand 3595 states and 4271 transitions. [2020-09-24 15:46:25,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2020-09-24 15:46:25,853 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:46:25,854 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:46:25,855 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:46:25,855 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:46:25,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:46:25,855 INFO L82 PathProgramCache]: Analyzing trace with hash 868955668, now seen corresponding path program 1 times [2020-09-24 15:46:25,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:46:25,856 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1860178842] [2020-09-24 15:46:25,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:46:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:25,914 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:25,914 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:25,914 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:25,915 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:25,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 330 [2020-09-24 15:46:25,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:25,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:25,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:25,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:25,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 172 [2020-09-24 15:46:25,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:46:25,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:26,214 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:46:26,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:46:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,226 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,227 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:46:26,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:26,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:26,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:26,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:26,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:26,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:46:26,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,268 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,268 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,268 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,269 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:26,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:26,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:26,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:26,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:26,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:26,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:46:26,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,273 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,273 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,274 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,274 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:26,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:26,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:26,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:26,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:26,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:26,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:46:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,280 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,280 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,281 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,281 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:26,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:26,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:26,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:26,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:26,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:26,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:46:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,287 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,287 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,287 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,288 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:26,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:26,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:26,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:26,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:26,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:26,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:46:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,304 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,305 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,305 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,305 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:26,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:26,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:26,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:26,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:26,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:26,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:46:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,322 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,323 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,323 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,323 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:26,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:26,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:26,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:26,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:26,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:26,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:46:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,343 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,343 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:26,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:26,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:26,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:26,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:26,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:26,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-24 15:46:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,369 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,369 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,369 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,369 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:26,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:26,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:26,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:26,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:46:26,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:26,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:46:26,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,410 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,410 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,410 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:46:26,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:26,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:26,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:46:26,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-24 15:46:26,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:26,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:26,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,460 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,460 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,461 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,461 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:46:26,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:26,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:26,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:26,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-24 15:46:26,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:26,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,472 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,473 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,473 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,473 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:46:26,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:26,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:26,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:26,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:26,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:26,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,483 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,484 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,484 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,485 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:46:26,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:26,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:26,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:26,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:26,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:26,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:26,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,498 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,498 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,498 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,499 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:46:26,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:46:26,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:26,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:26,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:26,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:26,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:46:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,506 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,506 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,507 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,507 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:46:26,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:26,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:26,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:26,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:26,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:26,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:46:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,515 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,516 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,516 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,517 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:26,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:26,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:26,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:26,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:26,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:26,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-24 15:46:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,530 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,530 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,530 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,531 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 15:46:26,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:26,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:26,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:26,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-24 15:46:26,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:26,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:26,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,541 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,541 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,542 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,542 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:26,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:26,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:26,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:26,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:26,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:26,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 15:46:26,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,548 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,548 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,549 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,549 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:26,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:26,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:26,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:26,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:26,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:26,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-09-24 15:46:26,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,561 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,562 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,562 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,562 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:26,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:26,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:26,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:46:26,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:26,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:26,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-24 15:46:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,568 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,568 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,568 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,569 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:26,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:26,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:26,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:26,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:26,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:26,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-09-24 15:46:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,576 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,576 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,577 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,577 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:26,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:26,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:26,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:26,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:26,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:26,684 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-09-24 15:46:26,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1860178842] [2020-09-24 15:46:26,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:46:26,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:46:26,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543456928] [2020-09-24 15:46:26,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:46:26,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:46:26,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:46:26,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:46:26,687 INFO L87 Difference]: Start difference. First operand 3595 states and 4271 transitions. Second operand 11 states. [2020-09-24 15:46:27,228 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:46:28,138 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:46:31,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:46:31,231 INFO L93 Difference]: Finished difference Result 4547 states and 5506 transitions. [2020-09-24 15:46:31,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-09-24 15:46:31,231 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 271 [2020-09-24 15:46:31,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:46:31,242 INFO L225 Difference]: With dead ends: 4547 [2020-09-24 15:46:31,242 INFO L226 Difference]: Without dead ends: 2043 [2020-09-24 15:46:31,250 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 453 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=325, Invalid=1315, Unknown=0, NotChecked=0, Total=1640 [2020-09-24 15:46:31,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2043 states. [2020-09-24 15:46:31,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2043 to 1793. [2020-09-24 15:46:31,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1793 states. [2020-09-24 15:46:31,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1793 states to 1793 states and 2082 transitions. [2020-09-24 15:46:31,499 INFO L78 Accepts]: Start accepts. Automaton has 1793 states and 2082 transitions. Word has length 271 [2020-09-24 15:46:31,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:46:31,500 INFO L479 AbstractCegarLoop]: Abstraction has 1793 states and 2082 transitions. [2020-09-24 15:46:31,500 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:46:31,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1793 states and 2082 transitions. [2020-09-24 15:46:31,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2020-09-24 15:46:31,507 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:46:31,507 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:46:31,508 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 15:46:31,508 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:46:31,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:46:31,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1530742090, now seen corresponding path program 1 times [2020-09-24 15:46:31,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:46:31,509 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1440744330] [2020-09-24 15:46:31,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:46:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:31,596 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:46:31,596 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -110 [2020-09-24 15:46:31,596 FATAL L256 erpolLogProxyWrapper]: Difference in width: 110 [2020-09-24 15:46:31,597 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:31,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 374 [2020-09-24 15:46:31,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:31,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:46:31,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:31,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:46:31,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 215 [2020-09-24 15:46:31,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:46:31,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:31,872 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:46:31,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:46:31,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:31,880 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:31,880 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:31,880 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:31,880 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:31,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:46:31,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:31,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:31,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:31,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:31,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:31,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:31,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:31,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:46:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:31,914 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:31,914 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:31,914 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:31,915 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:31,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:31,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:31,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:31,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:31,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:31,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:31,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:31,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:31,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:46:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:31,919 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:31,919 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:31,919 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:31,919 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:31,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:31,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:31,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:31,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:31,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:31,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:31,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:31,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:31,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:46:31,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:31,923 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:31,923 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:31,924 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:31,924 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:31,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:31,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:31,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:31,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:31,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:31,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:31,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:31,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:31,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:46:31,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:31,928 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:31,928 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:31,929 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:31,929 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:31,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:31,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:31,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:31,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:31,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:31,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:31,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:31,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:31,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:46:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:31,940 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:31,940 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:31,940 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:31,940 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:31,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:31,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:31,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:31,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:31,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:31,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:31,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:31,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:31,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:46:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:31,952 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:31,953 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:31,953 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:31,953 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:31,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:31,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:31,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:31,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:31,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:31,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:31,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:31,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:31,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:46:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:31,967 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:31,967 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:31,968 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:31,968 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:31,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:31,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:31,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:31,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:31,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:31,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:31,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:31,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:31,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:46:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:31,995 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:31,995 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:31,995 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:31,996 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:31,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:46:31,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:31,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:31,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:31,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:31,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:31,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-24 15:46:31,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:32,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:32,026 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:32,026 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:32,026 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:32,026 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:32,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:46:32,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:32,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:32,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:32,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:32,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:32,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 15:46:32,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:32,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:32,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:32,108 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:32,108 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:32,108 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:32,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:32,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:46:32,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:32,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:32,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:32,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:32,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:32,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-24 15:46:32,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:32,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:32,120 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:32,120 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:32,120 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:32,120 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:32,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:46:32,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:32,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:32,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:32,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:32,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:32,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-24 15:46:32,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:32,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:32,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:32,130 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:32,130 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:32,130 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:32,130 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:32,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:46:32,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:32,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:32,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:32,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:32,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:32,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:32,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:32,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:46:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:32,135 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:32,135 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:32,136 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:32,136 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:32,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:46:32,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:32,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:32,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:32,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:32,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:32,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:32,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:32,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:46:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:32,141 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:32,141 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:32,141 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:32,141 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:32,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:32,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:32,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:32,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:32,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:32,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:32,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:46:32,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:32,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-24 15:46:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:32,157 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:32,157 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:32,158 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:32,158 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:32,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 15:46:32,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:32,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:32,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:32,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:32,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:32,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-24 15:46:32,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:32,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:32,163 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:32,164 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:32,164 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:32,164 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:32,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:32,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:32,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:32,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:32,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:32,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:32,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:32,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:32,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 15:46:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:32,168 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:32,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:32,168 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:32,169 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:32,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:32,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:32,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:32,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:32,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:32,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:32,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:32,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:32,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-09-24 15:46:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:32,176 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:32,177 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:32,177 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:32,177 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:32,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:32,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:32,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:32,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:32,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:32,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:32,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:46:32,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:32,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-09-24 15:46:32,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:32,186 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:32,186 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:32,186 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:32,186 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:32,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:46:32,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:32,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:32,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:32,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:46:32,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:46:32,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 15:46:32,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:32,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:32,212 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:32,212 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:32,212 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:32,212 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:32,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:46:32,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:32,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:32,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:32,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:32,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:32,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-24 15:46:32,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:32,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:32,221 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:32,221 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:32,221 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:32,221 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:32,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:46:32,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:32,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:32,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:32,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:32,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:32,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:32,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:32,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:32,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:32,228 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:32,228 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:32,228 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:32,228 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:32,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:46:32,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:32,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:32,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:32,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:32,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:32,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:32,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:32,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:46:32,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:32,233 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:32,234 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:32,234 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:32,234 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:32,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:46:32,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:32,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:32,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:32,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:32,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:32,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:32,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:32,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:46:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:32,238 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:32,239 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:32,239 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:32,239 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:32,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:32,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:32,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:32,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:32,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:32,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:32,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:32,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:32,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-09-24 15:46:32,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:32,245 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:32,245 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:32,245 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:32,246 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:32,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:32,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:32,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:32,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:32,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:32,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:32,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:32,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:32,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2020-09-24 15:46:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:32,249 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:32,250 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:32,250 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:32,250 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:32,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:32,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:32,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:32,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:32,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:32,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:32,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:32,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:32,328 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 33 proven. 9 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-09-24 15:46:32,328 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1440744330] [2020-09-24 15:46:32,329 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:46:32,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 15:46:32,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771978694] [2020-09-24 15:46:32,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:46:32,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:46:32,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:46:32,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:46:32,331 INFO L87 Difference]: Start difference. First operand 1793 states and 2082 transitions. Second operand 10 states.