/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_spec5_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:54:24,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:54:24,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:54:24,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:54:24,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:54:24,603 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:54:24,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:54:24,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:54:24,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:54:24,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:54:24,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:54:24,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:54:24,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:54:24,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:54:24,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:54:24,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:54:24,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:54:24,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:54:24,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:54:24,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:54:24,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:54:24,641 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:54:24,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:54:24,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:54:24,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:54:24,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:54:24,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:54:24,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:54:24,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:54:24,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:54:24,665 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:54:24,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:54:24,668 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:54:24,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:54:24,670 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:54:24,670 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:54:24,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:54:24,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:54:24,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:54:24,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:54:24,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:54:24,678 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 15:54:24,720 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:54:24,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:54:24,723 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:54:24,723 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:54:24,724 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:54:24,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:54:24,724 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:54:24,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:54:24,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:54:24,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:54:24,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:54:24,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:54:24,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:54:24,727 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:54:24,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:54:24,727 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:54:24,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:54:24,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:54:24,728 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:54:24,728 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:54:24,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:54:24,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:54:24,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:54:24,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:54:24,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:54:24,730 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:54:24,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:54:24,730 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:54:24,730 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:54:24,731 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 15:54:25,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:54:25,195 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:54:25,202 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:54:25,204 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:54:25,205 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:54:25,206 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c [2020-09-24 15:54:25,283 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ede8782fb/b281855fd1ff427d975d53894e3cdf36/FLAGc81bafb72 [2020-09-24 15:54:25,916 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:54:25,917 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c [2020-09-24 15:54:25,931 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ede8782fb/b281855fd1ff427d975d53894e3cdf36/FLAGc81bafb72 [2020-09-24 15:54:26,121 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ede8782fb/b281855fd1ff427d975d53894e3cdf36 [2020-09-24 15:54:26,136 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:54:26,143 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:54:26,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:54:26,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:54:26,151 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:54:26,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:54:26" (1/1) ... [2020-09-24 15:54:26,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6cae7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:26, skipping insertion in model container [2020-09-24 15:54:26,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:54:26" (1/1) ... [2020-09-24 15:54:26,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:54:26,222 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:54:26,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:54:26,665 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:54:26,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:54:26,927 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:54:26,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:26 WrapperNode [2020-09-24 15:54:26,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:54:26,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:54:26,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:54:26,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:54:26,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:26" (1/1) ... [2020-09-24 15:54:26,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:26" (1/1) ... [2020-09-24 15:54:26,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:26" (1/1) ... [2020-09-24 15:54:26,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:26" (1/1) ... [2020-09-24 15:54:27,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:26" (1/1) ... [2020-09-24 15:54:27,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:26" (1/1) ... [2020-09-24 15:54:27,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:26" (1/1) ... [2020-09-24 15:54:27,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:54:27,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:54:27,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:54:27,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:54:27,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:26" (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 15:54:27,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:54:27,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:54:27,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:54:27,125 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:54:27,125 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:54:27,126 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:54:27,126 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:54:27,126 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 15:54:27,127 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:54:27,127 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:54:27,127 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:54:27,127 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:54:27,128 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:54:27,128 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:54:27,128 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 15:54:27,129 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 15:54:27,129 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 15:54:27,129 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:54:27,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-24 15:54:27,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-24 15:54:27,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-24 15:54:27,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:54:27,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:54:27,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:54:27,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:54:27,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:54:27,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:54:27,132 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:54:27,132 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:54:27,132 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:54:27,133 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:54:27,133 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:54:27,133 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:54:27,133 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:54:27,133 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:54:27,133 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:54:27,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:54:27,134 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:54:27,134 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:54:27,134 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:54:27,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:54:27,136 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:54:27,136 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:54:27,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:54:27,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 15:54:27,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:54:27,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:54:27,138 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:54:27,138 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:54:27,138 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:54:27,138 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:54:27,138 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:54:27,139 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 15:54:27,139 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:54:27,139 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:54:27,139 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:54:27,139 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:54:27,140 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:54:27,140 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 15:54:27,140 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 15:54:27,140 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-24 15:54:27,140 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-24 15:54:27,140 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:54:27,141 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:54:27,141 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:54:27,141 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:54:27,141 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 15:54:27,141 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 15:54:27,141 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:54:27,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:54:27,142 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:54:27,143 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:54:27,143 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:54:27,144 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:54:27,144 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:54:27,144 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:54:27,144 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-24 15:54:27,144 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:54:27,145 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:54:27,145 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:54:27,145 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:54:27,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:54:27,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:54:27,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:54:27,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:54:27,146 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:54:27,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:54:27,146 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:54:27,146 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:54:27,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:54:27,146 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:54:27,147 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:54:27,147 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:54:27,147 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:54:27,147 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:54:27,147 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:54:27,147 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:54:27,147 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:54:27,148 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:54:27,148 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:54:27,148 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:54:27,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:54:27,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:54:27,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:54:28,284 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:54:28,284 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:54:28,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:54:28 BoogieIcfgContainer [2020-09-24 15:54:28,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:54:28,294 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:54:28,294 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:54:28,298 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:54:28,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:54:26" (1/3) ... [2020-09-24 15:54:28,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@268eaa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:54:28, skipping insertion in model container [2020-09-24 15:54:28,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:26" (2/3) ... [2020-09-24 15:54:28,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@268eaa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:54:28, skipping insertion in model container [2020-09-24 15:54:28,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:54:28" (3/3) ... [2020-09-24 15:54:28,302 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product60.cil.c [2020-09-24 15:54:28,315 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:54:28,327 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:54:28,351 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:54:28,386 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:54:28,386 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:54:28,386 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:54:28,386 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:54:28,386 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:54:28,387 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:54:28,387 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:54:28,387 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:54:28,420 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states. [2020-09-24 15:54:28,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 15:54:28,440 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:28,442 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-24 15:54:28,442 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:28,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:28,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1647532489, now seen corresponding path program 1 times [2020-09-24 15:54:28,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:28,465 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [96216007] [2020-09-24 15:54:28,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:28,866 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:28,867 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:28,867 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:28,867 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:28,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-24 15:54:28,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:28,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:54:28,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:28,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:28,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 15:54:28,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:28,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:29,342 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:29,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:29,360 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:29,360 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:29,361 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:29,361 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:29,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:29,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:29,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:29,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:29,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:29,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:29,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:29,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:29,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:29,491 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:29,492 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:29,492 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:29,492 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:29,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:29,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:29,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:29,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:29,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:29,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:29,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:29,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:29,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:29,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:29,498 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:29,498 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:29,499 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:29,499 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:29,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:29,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:29,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:29,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:29,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:29,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:29,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:29,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:29,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:29,505 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:29,505 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:29,505 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:29,506 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:29,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:29,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:29,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:29,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:29,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:29,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:29,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:29,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:29,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:29,520 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:29,520 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:29,521 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:29,521 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:29,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:29,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:29,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:29,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:29,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:29,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:29,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:29,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:29,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:29,534 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:29,534 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:29,534 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:29,534 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:29,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:29,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:29,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:29,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:29,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:29,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:29,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:29,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:29,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:54:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:29,547 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:29,547 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:29,547 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:29,547 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:29,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:29,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:29,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:29,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:29,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:29,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:54:29,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:29,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:29,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:29,558 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:29,558 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:29,559 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:29,559 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:29,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:29,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:29,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:54:29,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:29,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:29,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:29,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:29,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:29,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:54:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:29,571 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:29,572 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:29,572 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:29,572 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:29,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:29,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:29,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:29,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:29,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:29,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:29,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:29,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:29,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 15:54:29,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:29,590 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:29,591 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:29,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:29,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:29,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:29,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:29,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:29,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:29,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:29,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:29,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:29,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:29,633 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:29,634 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [96216007] [2020-09-24 15:54:29,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:29,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:54:29,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297766734] [2020-09-24 15:54:29,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:54:29,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:29,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:54:29,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:54:29,668 INFO L87 Difference]: Start difference. First operand 357 states. Second operand 4 states. [2020-09-24 15:54:31,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:31,236 INFO L93 Difference]: Finished difference Result 578 states and 674 transitions. [2020-09-24 15:54:31,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 15:54:31,243 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-24 15:54:31,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:31,269 INFO L225 Difference]: With dead ends: 578 [2020-09-24 15:54:31,269 INFO L226 Difference]: Without dead ends: 357 [2020-09-24 15:54:31,277 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 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 15:54:31,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2020-09-24 15:54:31,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 306. [2020-09-24 15:54:31,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-09-24 15:54:31,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 333 transitions. [2020-09-24 15:54:31,391 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 333 transitions. Word has length 160 [2020-09-24 15:54:31,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:31,392 INFO L479 AbstractCegarLoop]: Abstraction has 306 states and 333 transitions. [2020-09-24 15:54:31,393 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:54:31,393 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 333 transitions. [2020-09-24 15:54:31,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 15:54:31,397 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:31,398 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-24 15:54:31,398 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:54:31,398 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:31,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:31,399 INFO L82 PathProgramCache]: Analyzing trace with hash -620168395, now seen corresponding path program 1 times [2020-09-24 15:54:31,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:31,399 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [455121058] [2020-09-24 15:54:31,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,485 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,485 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,485 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,486 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-24 15:54:31,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:54:31,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:31,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 15:54:31,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:54:31,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:31,842 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:31,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:31,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,854 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,854 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,855 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,855 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:31,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:31,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:31,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:31,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:31,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:31,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,899 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,899 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,899 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,899 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:31,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:31,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:31,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:31,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:31,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:31,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,904 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,904 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,904 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,905 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:31,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:31,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:31,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:31,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:31,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:31,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,909 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,909 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,910 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,910 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:31,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:31,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:31,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:31,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:31,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:31,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,915 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,915 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,916 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,916 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:31,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:31,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:31,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:31,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:31,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:31,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,930 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,930 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,930 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:31,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:31,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:31,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:31,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:31,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:31,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:54:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,936 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,936 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,936 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,936 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:31,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:31,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:31,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:54:31,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:31,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:31,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,941 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,942 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,942 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:31,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:31,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:31,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:31,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:31,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:31,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:54:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,947 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,948 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,948 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,948 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:31,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:31,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:31,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:31,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:31,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:31,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:54:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,952 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,953 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,953 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,953 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:31,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:31,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:31,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:31,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:31,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:31,983 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:31,984 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [455121058] [2020-09-24 15:54:31,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:31,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:54:31,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703958468] [2020-09-24 15:54:31,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:54:31,987 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:31,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:54:31,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:54:31,988 INFO L87 Difference]: Start difference. First operand 306 states and 333 transitions. Second operand 5 states. [2020-09-24 15:54:32,720 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:33,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:33,947 INFO L93 Difference]: Finished difference Result 497 states and 558 transitions. [2020-09-24 15:54:33,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:54:33,947 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-24 15:54:33,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:33,958 INFO L225 Difference]: With dead ends: 497 [2020-09-24 15:54:33,959 INFO L226 Difference]: Without dead ends: 346 [2020-09-24 15:54:33,963 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 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 15:54:33,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-09-24 15:54:34,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 296. [2020-09-24 15:54:34,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-09-24 15:54:34,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 320 transitions. [2020-09-24 15:54:34,033 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 320 transitions. Word has length 161 [2020-09-24 15:54:34,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:34,034 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 320 transitions. [2020-09-24 15:54:34,034 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:54:34,034 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 320 transitions. [2020-09-24 15:54:34,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-24 15:54:34,037 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:34,037 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-24 15:54:34,037 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:54:34,038 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:34,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:34,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1530155702, now seen corresponding path program 1 times [2020-09-24 15:54:34,038 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:34,039 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [251024594] [2020-09-24 15:54:34,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:34,109 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:54:34,110 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -48 [2020-09-24 15:54:34,110 FATAL L256 erpolLogProxyWrapper]: Difference in width: 48 [2020-09-24 15:54:34,110 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:34,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-24 15:54:34,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:34,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:54:34,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:34,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:34,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-24 15:54:34,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:54:34,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:34,417 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:34,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:34,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:34,428 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:34,428 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:34,428 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:34,428 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:34,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:34,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:34,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:34,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:34,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:34,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:34,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:34,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:34,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:34,501 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:34,502 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:34,502 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:34,502 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:34,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:34,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:34,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:34,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:34,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:34,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:34,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:34,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:34,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:34,506 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:34,506 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:34,507 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:34,507 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:34,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:34,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:34,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:34,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:34,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:34,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:34,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:34,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:34,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:34,511 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:34,511 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:34,511 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:34,512 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:34,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:34,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:34,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:34,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:34,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:34,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:34,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:34,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:34,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:34,516 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:34,516 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:34,517 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:34,517 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:34,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:34,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:34,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:34,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:34,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:34,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:34,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:34,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:34,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:34,532 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:34,532 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:34,532 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:34,532 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:34,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:34,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:34,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:34,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:34,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:34,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:34,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:34,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:34,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:54:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:34,546 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:34,546 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:34,546 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:34,547 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:34,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:34,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:34,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:34,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:34,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:34,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:34,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:54:34,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:34,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:54:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:34,554 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:34,554 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:34,554 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:34,554 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:34,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:34,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:34,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:34,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:34,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:34,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:34,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:54:34,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:34,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:34,560 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:34,560 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:34,561 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:34,561 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:34,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:34,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:34,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:34,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:34,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:34,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:34,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:34,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:34,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-24 15:54:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:34,566 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:34,566 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:34,566 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:34,567 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:34,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:34,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:34,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:34,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:34,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:34,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:34,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:34,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:34,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-24 15:54:34,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:34,572 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:34,572 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:34,572 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:34,572 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:34,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:34,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:34,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:34,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:34,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:34,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:34,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:34,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:34,611 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:34,611 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [251024594] [2020-09-24 15:54:34,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:34,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 15:54:34,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705660851] [2020-09-24 15:54:34,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 15:54:34,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:34,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 15:54:34,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:54:34,615 INFO L87 Difference]: Start difference. First operand 296 states and 320 transitions. Second operand 6 states. [2020-09-24 15:54:35,293 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:37,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:37,624 INFO L93 Difference]: Finished difference Result 740 states and 850 transitions. [2020-09-24 15:54:37,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:54:37,625 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-24 15:54:37,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:37,630 INFO L225 Difference]: With dead ends: 740 [2020-09-24 15:54:37,630 INFO L226 Difference]: Without dead ends: 559 [2020-09-24 15:54:37,632 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:54:37,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2020-09-24 15:54:37,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 467. [2020-09-24 15:54:37,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2020-09-24 15:54:37,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 516 transitions. [2020-09-24 15:54:37,707 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 516 transitions. Word has length 174 [2020-09-24 15:54:37,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:37,707 INFO L479 AbstractCegarLoop]: Abstraction has 467 states and 516 transitions. [2020-09-24 15:54:37,708 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 15:54:37,708 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 516 transitions. [2020-09-24 15:54:37,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-24 15:54:37,711 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:37,711 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-24 15:54:37,712 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:54:37,712 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:37,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:37,712 INFO L82 PathProgramCache]: Analyzing trace with hash -2058506933, now seen corresponding path program 1 times [2020-09-24 15:54:37,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:37,713 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1140200367] [2020-09-24 15:54:37,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:37,830 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:37,831 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:37,831 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:37,831 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:37,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-24 15:54:37,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:37,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-24 15:54:37,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:37,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:54:37,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 15:54:37,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-09-24 15:54:37,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:38,189 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:38,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,228 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,228 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,228 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,229 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:38,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:38,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:38,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:38,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:54:38,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:38,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,279 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,279 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,280 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,280 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:38,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:38,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:38,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:38,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:38,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:38,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,285 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,286 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,286 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,286 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:38,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:38,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:38,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:38,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:38,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:38,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:38,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,292 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,292 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,293 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,293 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:38,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:38,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:38,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:38,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:38,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:38,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,299 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,300 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,300 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,300 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:38,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:38,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:38,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:38,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:38,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:38,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,318 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,318 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,318 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,318 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:38,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:38,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:38,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:38,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:38,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:38,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:54:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,338 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,338 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,339 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,339 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:54:38,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:38,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:38,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:38,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:54:38,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:38,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:54:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,350 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,350 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,350 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,350 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:38,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:38,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:38,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:38,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:54:38,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:38,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,356 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,356 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,356 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,357 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:38,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:38,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:38,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:38,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:38,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:38,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-24 15:54:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,363 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,363 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,363 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,364 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:38,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:38,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:38,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:38,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:38,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:38,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-24 15:54:38,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,374 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,374 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,374 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,375 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:38,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:54:38,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:38,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:38,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:38,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:38,493 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 15:54:38,493 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1140200367] [2020-09-24 15:54:38,494 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:38,494 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:54:38,495 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55857188] [2020-09-24 15:54:38,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:54:38,496 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:38,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:54:38,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:54:38,497 INFO L87 Difference]: Start difference. First operand 467 states and 516 transitions. Second operand 10 states. [2020-09-24 15:54:39,161 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:40,140 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:40,480 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:54:41,766 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:42,082 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:42,447 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:43,095 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:43,393 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:54:43,691 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:44,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:44,390 INFO L93 Difference]: Finished difference Result 1094 states and 1295 transitions. [2020-09-24 15:54:44,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 15:54:44,391 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-09-24 15:54:44,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:44,397 INFO L225 Difference]: With dead ends: 1094 [2020-09-24 15:54:44,397 INFO L226 Difference]: Without dead ends: 742 [2020-09-24 15:54:44,399 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:54:44,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2020-09-24 15:54:44,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 655. [2020-09-24 15:54:44,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 655 states. [2020-09-24 15:54:44,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 734 transitions. [2020-09-24 15:54:44,490 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 734 transitions. Word has length 179 [2020-09-24 15:54:44,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:44,490 INFO L479 AbstractCegarLoop]: Abstraction has 655 states and 734 transitions. [2020-09-24 15:54:44,491 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:54:44,491 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 734 transitions. [2020-09-24 15:54:44,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-09-24 15:54:44,495 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:44,495 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 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 15:54:44,495 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:54:44,496 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:44,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:44,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1993362504, now seen corresponding path program 1 times [2020-09-24 15:54:44,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:44,497 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1892814901] [2020-09-24 15:54:44,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:44,565 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:44,565 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:44,566 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:44,566 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:44,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-09-24 15:54:44,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:44,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:54:44,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:44,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:54:44,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 206 [2020-09-24 15:54:44,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:54:44,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:44,839 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:44,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:44,851 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:44,851 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:44,851 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:44,851 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:44,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:44,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:44,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:44,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:44,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:44,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:44,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:44,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:44,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:44,888 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:44,889 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:44,889 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:44,889 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:44,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:44,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:44,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:44,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:44,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:44,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:44,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:44,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:44,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:44,893 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:44,893 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:44,893 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:44,893 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:44,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:44,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:44,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:44,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:44,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:44,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:44,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:44,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:44,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:44,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:44,897 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:44,897 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:44,898 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:44,898 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:44,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:44,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:44,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:44,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:44,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:44,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:44,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:44,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:44,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:44,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:44,902 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:44,902 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:44,903 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:44,903 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:44,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:44,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:44,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:44,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:44,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:44,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:44,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:44,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:44,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:44,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:44,922 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:44,922 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:44,922 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:44,922 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:44,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:44,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:44,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:44,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:44,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:44,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:44,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:44,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:44,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:54:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:44,933 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:44,934 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:44,934 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:44,934 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:44,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:44,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:44,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:44,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:44,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:44,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:44,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:44,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:44,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:54:44,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:44,939 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:44,939 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:44,939 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:44,939 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:44,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:44,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:44,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:44,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:44,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:44,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:44,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:44,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:44,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:44,945 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:44,945 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:44,945 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:44,945 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:44,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:44,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:44,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:44,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:44,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:44,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:44,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:44,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:44,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:54:44,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:44,973 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:44,973 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:44,973 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:44,974 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:44,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:54:44,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:44,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:54:44,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:44,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:54:44,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:54:44,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:54:44,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:44,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:44,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:44,995 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:44,995 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:44,995 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:44,995 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:44,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:54:44,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:44,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:54:44,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:44,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:54:44,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:54:44,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:54:44,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:45,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:45,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:45,028 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:45,029 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:45,029 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:45,029 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:45,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:54:45,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:45,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:54:45,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:45,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:45,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:45,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:54:45,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:45,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:45,093 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:45,094 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:45,094 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:45,095 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:45,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:54:45,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:45,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:45,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:45,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:45,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:45,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:45,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:45,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:54:45,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:45,105 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:45,105 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:45,105 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:45,106 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:45,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:54:45,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:45,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:45,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:45,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:45,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:54:45,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:45,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:45,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:54:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:45,113 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:45,114 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:45,114 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:45,114 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:45,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:54:45,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:45,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:45,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:45,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:45,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:45,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:45,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:45,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:54:45,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:45,120 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:45,121 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:45,121 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:45,121 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:45,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:45,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:45,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:45,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:45,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:45,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:45,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:45,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:45,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:54:45,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:45,127 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:45,127 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:45,127 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:45,128 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:45,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:45,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:45,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:45,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:45,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:45,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:45,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:45,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:45,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-24 15:54:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:45,138 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:45,139 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:45,139 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:45,139 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:45,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:45,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:45,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:45,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:45,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:45,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:45,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:45,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:45,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-24 15:54:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:45,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:45,146 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:45,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:45,147 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:45,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:45,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:45,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:45,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:45,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:45,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:45,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:45,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:45,225 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:45,226 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1892814901] [2020-09-24 15:54:45,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:45,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:54:45,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200423580] [2020-09-24 15:54:45,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:54:45,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:45,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:54:45,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:54:45,229 INFO L87 Difference]: Start difference. First operand 655 states and 734 transitions. Second operand 11 states. [2020-09-24 15:54:46,930 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:47,247 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:54:47,575 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-24 15:54:47,901 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:48,210 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:48,500 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:49,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:49,732 INFO L93 Difference]: Finished difference Result 1384 states and 1668 transitions. [2020-09-24 15:54:49,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 15:54:49,733 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 234 [2020-09-24 15:54:49,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:49,738 INFO L225 Difference]: With dead ends: 1384 [2020-09-24 15:54:49,738 INFO L226 Difference]: Without dead ends: 844 [2020-09-24 15:54:49,741 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:54:49,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 844 states. [2020-09-24 15:54:49,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 844 to 674. [2020-09-24 15:54:49,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 674 states. [2020-09-24 15:54:49,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 754 transitions. [2020-09-24 15:54:49,828 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 754 transitions. Word has length 234 [2020-09-24 15:54:49,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:49,829 INFO L479 AbstractCegarLoop]: Abstraction has 674 states and 754 transitions. [2020-09-24 15:54:49,829 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:54:49,829 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 754 transitions. [2020-09-24 15:54:49,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-09-24 15:54:49,833 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:49,833 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 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 15:54:49,833 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:54:49,834 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:49,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:49,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1325616104, now seen corresponding path program 1 times [2020-09-24 15:54:49,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:49,834 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2015400546] [2020-09-24 15:54:49,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:49,910 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:54:49,910 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -93 [2020-09-24 15:54:49,910 FATAL L256 erpolLogProxyWrapper]: Difference in width: 93 [2020-09-24 15:54:49,910 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:49,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-09-24 15:54:49,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:49,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:54:49,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:49,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:49,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 198 [2020-09-24 15:54:49,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:54:49,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:50,247 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:50,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:50,258 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:50,258 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:50,258 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:50,258 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:50,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:50,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:50,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:50,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:50,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:50,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:50,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:50,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:50,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:50,291 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:50,291 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:50,291 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:50,291 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:50,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:50,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:50,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:50,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:50,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:50,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:50,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:50,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:50,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:50,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:50,295 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:50,295 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:50,295 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:50,295 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:50,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:50,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:50,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:50,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:50,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:50,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:50,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:50,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:50,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:50,299 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:50,299 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:50,300 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:50,300 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:50,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:50,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:50,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:50,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:50,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:50,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:50,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:50,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:50,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:50,304 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:50,304 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:50,304 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:50,304 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:50,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:50,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:50,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:50,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:50,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:50,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:50,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:50,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:50,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:50,325 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:50,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:50,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:50,326 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:50,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:50,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:50,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:50,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:50,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:50,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:50,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:50,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:50,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:54:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:50,337 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:50,337 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:50,337 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:50,338 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:50,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:50,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:50,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:50,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:50,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:50,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:50,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:50,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:50,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:54:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:50,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:50,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:50,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:50,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:50,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:50,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:50,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:50,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:50,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:50,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:50,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:50,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:50,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:50,347 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:50,348 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:50,348 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:50,348 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:50,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:50,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:50,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:50,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:50,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:50,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:50,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:50,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:50,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:54:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:50,369 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:50,369 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:50,370 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:50,370 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:50,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:54:50,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:50,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:54:50,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:50,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:50,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:54:50,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:54:50,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:50,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:50,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:50,389 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:50,389 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:50,389 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:50,389 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:50,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:54:50,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:50,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:54:50,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:50,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:50,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:54:50,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:54:50,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:50,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:50,403 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:50,403 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:50,404 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:50,404 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:50,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:54:50,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:50,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:54:50,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:50,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:50,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:54:50,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:54:50,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:50,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:50,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:50,438 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:50,438 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:50,439 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:50,439 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:50,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:54:50,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:50,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:54:50,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:50,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:54:50,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:50,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:50,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:50,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:54:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:50,467 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:50,467 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:50,467 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:50,468 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:50,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:54:50,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:50,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:50,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:50,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:50,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:54:50,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:50,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:50,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:54:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:50,474 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:50,474 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:50,475 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:50,475 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:50,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:54:50,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:50,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:50,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:50,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:50,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:50,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:50,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:50,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:54:50,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:50,481 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:50,481 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:50,481 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:50,481 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:50,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:50,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:50,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:50,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:50,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:50,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:50,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:50,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:50,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:54:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:50,487 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:50,487 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:50,488 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:50,488 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:50,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:50,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:50,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:50,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:50,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:50,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:50,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:50,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:50,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-24 15:54:50,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:50,498 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:50,498 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:50,498 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:50,498 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:50,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:50,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:50,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:50,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:50,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:50,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:50,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:50,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:50,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-24 15:54:50,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:50,505 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:50,505 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:50,506 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:50,506 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:50,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:50,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:50,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:50,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:50,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:50,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:50,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:50,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:50,556 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:50,556 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2015400546] [2020-09-24 15:54:50,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:50,557 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:54:50,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539821648] [2020-09-24 15:54:50,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:54:50,558 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:50,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:54:50,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:54:50,559 INFO L87 Difference]: Start difference. First operand 674 states and 754 transitions. Second operand 10 states. [2020-09-24 15:54:51,931 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:52,238 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:52,578 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:52,878 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:53,185 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:54,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:54,710 INFO L93 Difference]: Finished difference Result 1421 states and 1706 transitions. [2020-09-24 15:54:54,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:54:54,711 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 234 [2020-09-24 15:54:54,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:54,717 INFO L225 Difference]: With dead ends: 1421 [2020-09-24 15:54:54,717 INFO L226 Difference]: Without dead ends: 862 [2020-09-24 15:54:54,719 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:54:54,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 862 states. [2020-09-24 15:54:54,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 862 to 686. [2020-09-24 15:54:54,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 686 states. [2020-09-24 15:54:54,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 766 transitions. [2020-09-24 15:54:54,811 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 766 transitions. Word has length 234 [2020-09-24 15:54:54,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:54,811 INFO L479 AbstractCegarLoop]: Abstraction has 686 states and 766 transitions. [2020-09-24 15:54:54,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:54:54,812 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 766 transitions. [2020-09-24 15:54:54,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-09-24 15:54:54,815 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:54,815 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 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 15:54:54,816 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:54:54,816 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:54,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:54,816 INFO L82 PathProgramCache]: Analyzing trace with hash -598510827, now seen corresponding path program 1 times [2020-09-24 15:54:54,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:54,817 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1749183860] [2020-09-24 15:54:54,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:54,905 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:54,905 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:54,905 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:54,905 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:54,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-09-24 15:54:54,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:54,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 15:54:54,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:54,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:54:54,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 15:54:54,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-09-24 15:54:54,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:55,237 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:55,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:55,271 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:55,271 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:55,272 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:55,272 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:55,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:55,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:55,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:55,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:55,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:55,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:55,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:54:55,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:55,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:55,316 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:55,317 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:55,317 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:55,317 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:55,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:55,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:55,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:55,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:55,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:55,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:55,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:55,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:55,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:55,325 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:55,325 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:55,325 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:55,326 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:55,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:55,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:55,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:55,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:55,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:55,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:55,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:55,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:55,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:55,331 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:55,331 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:55,331 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:55,331 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:55,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:55,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:55,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:55,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:55,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:55,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:55,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:55,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:55,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:55,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:55,336 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:55,336 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:55,336 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:55,337 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:55,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:55,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:55,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:55,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:55,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:55,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:55,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:55,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:55,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:55,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:55,354 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:55,354 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:55,355 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:55,355 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:55,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:55,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:55,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:55,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:55,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:55,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:55,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:55,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:55,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:54:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:55,368 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:55,369 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:55,369 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:55,369 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:55,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:55,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:55,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:55,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:55,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:55,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:55,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:55,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:55,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:54:55,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:55,375 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:55,375 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:55,376 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:55,376 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:55,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:55,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:55,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:55,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:55,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:55,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:55,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:54:55,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:55,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:55,383 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:55,383 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:55,384 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:55,384 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:55,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:55,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:55,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:55,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:55,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:55,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:55,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:55,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:55,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:54:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:55,411 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:55,411 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:55,412 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:55,412 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:55,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:54:55,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:55,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:55,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:55,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:55,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 15:54:55,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 15:54:55,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:55,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:55,440 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:55,440 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:55,440 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:55,441 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:55,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:54:55,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:55,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:55,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:55,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:55,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:55,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:54:55,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:55,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:55,466 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:55,467 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:55,467 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:55,467 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:55,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:54:55,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:55,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:55,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:55,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:55,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:55,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:54:55,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:55,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:55,491 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:55,491 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:55,491 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:55,492 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:55,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:54:55,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:55,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:55,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:55,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:55,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:55,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:54:55,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:55,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:54:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:55,513 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:55,513 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:55,513 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:55,514 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:55,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:54:55,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:55,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:55,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:55,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:55,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:55,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:54:55,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:55,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:54:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:55,523 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:55,523 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:55,523 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:55,524 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:55,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:54:55,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:55,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:55,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:55,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:55,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:55,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:55,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:55,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:54:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:55,531 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:55,531 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:55,531 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:55,532 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:55,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:55,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:55,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:55,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:55,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:55,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:55,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:55,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:55,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:54:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:55,538 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:55,538 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:55,539 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:55,539 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:55,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:55,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:55,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:55,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:55,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:55,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:55,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:55,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:55,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-24 15:54:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:55,551 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:55,551 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:55,552 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:55,552 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:55,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:55,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:55,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:55,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:55,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:55,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:55,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:55,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:55,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-24 15:54:55,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:55,557 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:55,558 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:55,558 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:55,558 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:55,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:55,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:55,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:55,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:55,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:55,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:55,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:55,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:55,613 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:55,613 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1749183860] [2020-09-24 15:54:55,613 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:55,614 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:54:55,614 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829278605] [2020-09-24 15:54:55,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:54:55,615 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:55,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:54:55,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:54:55,615 INFO L87 Difference]: Start difference. First operand 686 states and 766 transitions. Second operand 8 states. [2020-09-24 15:54:56,123 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:56,833 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:55:00,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:55:00,216 INFO L93 Difference]: Finished difference Result 2061 states and 2513 transitions. [2020-09-24 15:55:00,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-24 15:55:00,217 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 234 [2020-09-24 15:55:00,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:55:00,226 INFO L225 Difference]: With dead ends: 2061 [2020-09-24 15:55:00,226 INFO L226 Difference]: Without dead ends: 1490 [2020-09-24 15:55:00,229 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 51 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2020-09-24 15:55:00,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1490 states. [2020-09-24 15:55:00,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1490 to 1243. [2020-09-24 15:55:00,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1243 states. [2020-09-24 15:55:00,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1243 states and 1413 transitions. [2020-09-24 15:55:00,399 INFO L78 Accepts]: Start accepts. Automaton has 1243 states and 1413 transitions. Word has length 234 [2020-09-24 15:55:00,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:55:00,400 INFO L479 AbstractCegarLoop]: Abstraction has 1243 states and 1413 transitions. [2020-09-24 15:55:00,400 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:55:00,400 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1413 transitions. [2020-09-24 15:55:00,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-09-24 15:55:00,408 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:55:00,409 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 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 15:55:00,409 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:55:00,409 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:55:00,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:55:00,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1193101703, now seen corresponding path program 1 times [2020-09-24 15:55:00,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:55:00,411 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1743780841] [2020-09-24 15:55:00,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:55:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:00,605 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:55:00,605 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -72 [2020-09-24 15:55:00,605 FATAL L256 erpolLogProxyWrapper]: Difference in width: 72 [2020-09-24 15:55:00,605 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:00,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-09-24 15:55:00,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:00,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-24 15:55:00,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:00,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:55:00,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 15:55:00,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 195 [2020-09-24 15:55:00,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:00,979 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:55:00,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:01,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,016 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,016 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,016 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:55:01,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:01,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:55:01,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:55:01,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,071 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,072 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,072 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,072 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:01,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:01,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:55:01,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:55:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,080 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,080 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,080 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,080 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:01,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:01,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:01,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:55:01,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:55:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,085 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,086 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,086 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,086 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:01,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:01,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:55:01,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:01,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:55:01,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,092 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,093 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,093 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:01,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:01,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:55:01,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:55:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,107 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,108 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,108 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:01,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:01,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:55:01,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:55:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,129 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:55:01,130 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,130 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,130 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:55:01,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:55:01,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:55:01,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:55:01,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:55:01,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:55:01,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,205 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,205 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,205 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,206 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:01,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:01,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:55:01,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:55:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,212 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,212 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,213 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,213 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:55:01,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:01,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:55:01,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,218 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,218 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,218 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,219 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:01,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-24 15:55:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,244 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:55:01,244 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,244 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,245 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:55:01,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:01,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:01,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:55:01,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,255 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,255 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,255 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,256 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:55:01,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:01,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,264 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,264 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,264 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,264 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:55:01,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:55:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,270 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,270 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,270 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,270 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:55:01,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:55:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,275 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,276 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,276 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,276 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:55:01,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:55:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,282 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,283 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,283 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,283 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:55:01,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:55:01,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,288 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,288 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,288 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,289 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:01,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:55:01,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,293 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,294 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,294 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,294 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:01,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-24 15:55:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,306 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,306 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,306 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,306 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:01,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:55:01,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:55:01,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:55:01,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-24 15:55:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,360 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,360 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,361 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,361 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:01,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:55:01,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,416 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:55:01,417 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1743780841] [2020-09-24 15:55:01,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:55:01,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-24 15:55:01,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183377947] [2020-09-24 15:55:01,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:55:01,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:55:01,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:55:01,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:55:01,419 INFO L87 Difference]: Start difference. First operand 1243 states and 1413 transitions. Second operand 15 states. [2020-09-24 15:55:01,941 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:55:02,781 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:55:04,414 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-24 15:55:05,067 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-24 15:55:05,409 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:55:05,777 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:55:06,172 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:55:06,529 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:55:09,624 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:55:10,209 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-24 15:55:11,095 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:55:11,482 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:55:12,886 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-24 15:55:13,567 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 199 [2020-09-24 15:55:14,219 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-24 15:55:15,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:55:15,942 INFO L93 Difference]: Finished difference Result 4066 states and 4945 transitions. [2020-09-24 15:55:15,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-09-24 15:55:15,943 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 239 [2020-09-24 15:55:15,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:55:15,961 INFO L225 Difference]: With dead ends: 4066 [2020-09-24 15:55:15,961 INFO L226 Difference]: Without dead ends: 3153 [2020-09-24 15:55:15,967 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1182 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=819, Invalid=3087, Unknown=0, NotChecked=0, Total=3906 [2020-09-24 15:55:15,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3153 states. [2020-09-24 15:55:16,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3153 to 2498. [2020-09-24 15:55:16,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2498 states. [2020-09-24 15:55:16,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 2498 states and 2821 transitions. [2020-09-24 15:55:16,390 INFO L78 Accepts]: Start accepts. Automaton has 2498 states and 2821 transitions. Word has length 239 [2020-09-24 15:55:16,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:55:16,391 INFO L479 AbstractCegarLoop]: Abstraction has 2498 states and 2821 transitions. [2020-09-24 15:55:16,391 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 15:55:16,391 INFO L276 IsEmpty]: Start isEmpty. Operand 2498 states and 2821 transitions. [2020-09-24 15:55:16,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2020-09-24 15:55:16,397 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:55:16,398 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:55:16,398 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:55:16,398 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:55:16,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:55:16,399 INFO L82 PathProgramCache]: Analyzing trace with hash -2140293016, now seen corresponding path program 1 times [2020-09-24 15:55:16,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:55:16,399 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1558857203] [2020-09-24 15:55:16,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:55:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:16,480 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:16,480 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:16,481 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:16,481 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:16,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 366 [2020-09-24 15:55:16,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:16,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:55:16,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:16,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:16,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 165 [2020-09-24 15:55:16,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:55:16,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:16,820 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:55:16,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:16,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:16,829 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:16,829 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:16,829 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:16,829 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:16,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:55:16,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:16,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:16,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:16,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:16,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:16,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:16,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:16,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:55:16,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:16,860 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:16,860 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:16,861 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:16,861 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:16,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:16,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:16,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:16,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:16,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:16,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:16,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:16,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:16,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:55:16,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:16,864 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:16,865 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:16,865 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:16,865 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:16,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:16,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:16,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:16,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:16,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:16,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:16,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:16,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:16,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:55:16,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:16,868 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:16,869 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:16,869 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:16,869 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:16,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:16,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:16,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:16,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:16,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:16,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:16,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:16,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:16,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:55:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:16,873 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:16,873 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:16,874 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:16,874 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:16,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:16,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:16,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:16,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:16,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:16,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:16,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:16,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:16,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:55:16,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:16,884 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:16,884 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:16,884 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:16,884 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:16,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:16,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:16,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:16,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:16,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:16,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:16,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:16,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:16,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:55:16,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:16,895 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:16,895 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:16,895 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:16,896 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:16,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:55:16,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:16,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:16,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:16,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:16,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:16,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:16,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:16,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:55:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:16,922 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:16,923 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:16,923 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:16,923 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:16,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:55:16,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:16,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:16,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:16,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:16,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:16,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:55:16,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:16,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-24 15:55:16,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:16,956 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:16,956 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:16,957 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:16,957 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:16,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-09-24 15:55:16,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:16,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:16,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:16,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:16,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 15:55:16,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-09-24 15:55:16,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:16,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:16,981 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:16,981 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:16,981 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:16,982 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:16,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:55:16,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:16,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:16,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:16,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:16,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:16,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:16,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:16,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:16,986 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:16,986 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:16,986 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:16,987 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:16,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:16,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:16,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:16,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:16,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:16,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:16,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:16,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 15:55:17,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:17,011 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:17,011 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:17,011 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:17,012 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:17,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:55:17,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:17,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:17,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:17,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:17,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:55:17,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:17,034 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:17,034 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:17,034 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:17,035 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:17,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:55:17,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:17,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:17,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:17,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:17,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:17,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:17,044 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:17,044 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:17,044 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:17,045 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:17,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:55:17,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:17,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:17,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:17,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:17,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:17,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:55:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:17,052 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:17,052 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:17,052 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:17,053 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:17,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:55:17,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:17,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:17,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:17,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:17,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:17,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:55:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:17,056 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:17,057 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:17,057 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:17,057 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:17,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:55:17,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:17,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:17,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:17,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:17,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:17,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:55:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:17,062 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:17,062 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:17,062 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:17,062 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:17,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:55:17,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:17,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:17,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:17,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:17,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:17,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:55:17,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:17,067 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:17,067 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:17,067 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:17,067 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:17,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:17,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:17,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:17,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:17,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:17,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:17,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:55:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:17,071 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:17,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:17,071 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:17,072 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:17,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:17,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:17,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:17,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:17,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:17,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:17,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-24 15:55:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:17,080 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:17,080 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:17,080 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:17,081 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:17,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:55:17,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:17,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:17,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:17,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:17,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:55:17,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:17,086 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:17,086 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:17,086 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:17,086 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:17,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:17,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:17,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:17,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:17,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:17,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:17,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-09-24 15:55:17,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:17,096 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:17,096 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:17,096 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:17,096 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:17,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:55:17,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:17,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:17,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:17,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:55:17,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:17,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:17,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:17,101 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:17,101 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:17,101 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:17,101 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:17,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:17,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:17,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:17,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:17,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:17,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:17,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-09-24 15:55:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:17,106 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:17,106 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:17,107 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:17,107 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:17,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:55:17,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:17,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:17,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:17,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:55:17,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:17,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2020-09-24 15:55:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:17,111 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:17,112 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:17,112 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:17,112 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:17,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:17,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:17,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:17,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:17,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:55:17,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:17,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2020-09-24 15:55:17,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:17,117 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:17,117 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:17,117 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:17,118 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:17,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:17,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:17,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:17,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:17,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:17,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:55:17,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:17,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:17,193 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-24 15:55:17,194 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1558857203] [2020-09-24 15:55:17,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:55:17,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:55:17,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848185601] [2020-09-24 15:55:17,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:55:17,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:55:17,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:55:17,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:55:17,196 INFO L87 Difference]: Start difference. First operand 2498 states and 2821 transitions. Second operand 10 states. [2020-09-24 15:55:17,768 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:55:18,784 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189