/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_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:52:50,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:52:50,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:52:50,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:52:50,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:52:50,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:52:50,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:52:50,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:52:50,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:52:50,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:52:50,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:52:50,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:52:50,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:52:50,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:52:50,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:52:50,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:52:50,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:52:50,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:52:50,679 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:52:50,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:52:50,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:52:50,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:52:50,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:52:50,687 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:52:50,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:52:50,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:52:50,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:52:50,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:52:50,692 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:52:50,693 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:52:50,694 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:52:50,695 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:52:50,696 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:52:50,696 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:52:50,698 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:52:50,698 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:52:50,699 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:52:50,699 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:52:50,699 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:52:50,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:52:50,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:52:50,702 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 15:52:50,731 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:52:50,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:52:50,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:52:50,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:52:50,733 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:52:50,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:52:50,733 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:52:50,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:52:50,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:52:50,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:52:50,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:52:50,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:52:50,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:52:50,735 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:52:50,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:52:50,735 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:52:50,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:52:50,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:52:50,736 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:52:50,736 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:52:50,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:52:50,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:52:50,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:52:50,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:52:50,737 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:52:50,737 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:52:50,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:52:50,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:52:50,738 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:52:50,738 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 15:52:51,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:52:51,216 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:52:51,221 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:52:51,223 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:52:51,225 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:52:51,226 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c [2020-09-24 15:52:51,311 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5801f5a18/e6764b1da56d45519d213c6b8ff4a98b/FLAGeeb8531b0 [2020-09-24 15:52:51,935 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:52:51,937 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c [2020-09-24 15:52:51,957 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5801f5a18/e6764b1da56d45519d213c6b8ff4a98b/FLAGeeb8531b0 [2020-09-24 15:52:52,193 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5801f5a18/e6764b1da56d45519d213c6b8ff4a98b [2020-09-24 15:52:52,206 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:52:52,213 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:52:52,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:52:52,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:52:52,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:52:52,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:52:52" (1/1) ... [2020-09-24 15:52:52,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6870637f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:52, skipping insertion in model container [2020-09-24 15:52:52,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:52:52" (1/1) ... [2020-09-24 15:52:52,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:52:52,289 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:52:52,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:52:52,776 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:52:52,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:52:52,955 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:52:52,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:52 WrapperNode [2020-09-24 15:52:52,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:52:52,957 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:52:52,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:52:52,957 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:52:52,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:52" (1/1) ... [2020-09-24 15:52:52,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:52" (1/1) ... [2020-09-24 15:52:52,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:52" (1/1) ... [2020-09-24 15:52:52,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:52" (1/1) ... [2020-09-24 15:52:53,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:52" (1/1) ... [2020-09-24 15:52:53,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:52" (1/1) ... [2020-09-24 15:52:53,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:52" (1/1) ... [2020-09-24 15:52:53,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:52:53,054 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:52:53,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:52:53,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:52:53,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:52" (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 15:52:53,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:52:53,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:52:53,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:52:53,133 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:52:53,133 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:52:53,133 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:52:53,133 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:52:53,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:52:53,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:52:53,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:52:53,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:52:53,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:52:53,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:52:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:52:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:52:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:52:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:52:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:52:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:52:53,138 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:52:53,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:52:53,138 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:52:53,138 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:52:53,139 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:52:53,139 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:52:53,140 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:52:53,140 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:52:53,140 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:52:53,140 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:52:53,140 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:52:53,140 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:52:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 15:52:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-24 15:52:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-24 15:52:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-24 15:52:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:52:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:52:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:52:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:52:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:52:53,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:52:53,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:52:53,143 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:52:53,143 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:52:53,144 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:52:53,145 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:52:53,145 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:52:53,145 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:52:53,145 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:52:53,146 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:52:53,146 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:52:53,146 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:52:53,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:52:53,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:52:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:52:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:52:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:52:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:52:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:52:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:52:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:52:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:52:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:52:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:52:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:52:53,149 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:52:53,149 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:52:53,149 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:52:53,149 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:52:53,149 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:52:53,149 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:52:53,151 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:52:53,151 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 15:52:53,152 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:52:53,152 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:52:53,152 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:52:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:52:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:52:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:52:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:52:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-24 15:52:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-24 15:52:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:52:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:52:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:52:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:52:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-24 15:52:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:52:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:52:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:52:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:52:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:52:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:52:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:52:54,398 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:52:54,398 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:52:54,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:52:54 BoogieIcfgContainer [2020-09-24 15:52:54,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:52:54,414 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:52:54,414 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:52:54,418 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:52:54,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:52:52" (1/3) ... [2020-09-24 15:52:54,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63cd4efc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:52:54, skipping insertion in model container [2020-09-24 15:52:54,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:52" (2/3) ... [2020-09-24 15:52:54,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63cd4efc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:52:54, skipping insertion in model container [2020-09-24 15:52:54,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:52:54" (3/3) ... [2020-09-24 15:52:54,424 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product34.cil.c [2020-09-24 15:52:54,434 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:52:54,446 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:52:54,470 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:52:54,505 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:52:54,506 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:52:54,506 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:52:54,506 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:52:54,506 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:52:54,506 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:52:54,506 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:52:54,507 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:52:54,538 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states. [2020-09-24 15:52:54,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 15:52:54,557 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:52:54,559 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 15:52:54,559 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:52:54,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:52:54,566 INFO L82 PathProgramCache]: Analyzing trace with hash 1009197842, now seen corresponding path program 1 times [2020-09-24 15:52:54,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:52:54,577 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [950371891] [2020-09-24 15:52:54,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:52:54,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:54,904 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:54,905 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:54,905 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:54,906 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:54,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-24 15:52:54,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:54,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:52:54,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:54,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:54,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 15:52:54,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:54,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:55,421 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:52:55,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:52:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:55,482 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:55,512 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:55,513 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:55,513 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:55,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:52:55,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:55,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-24 15:52:55,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:55,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:55,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:55,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:55,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:55,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:52:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:55,607 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:55,608 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:55,608 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:55,608 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:55,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:55,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:55,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:55,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:55,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:55,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:55,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:55,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:55,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:52:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:55,613 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:55,613 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:55,614 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:55,614 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:55,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:55,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:55,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:55,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:55,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:55,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:55,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:55,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:55,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:52:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:55,619 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:55,619 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:55,620 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:55,620 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:55,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:55,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:55,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:55,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:55,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:55,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:55,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:55,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:55,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:52:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:55,626 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:55,626 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:55,626 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:55,626 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:55,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:55,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:55,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:55,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:55,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:55,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:55,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:55,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:55,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:52:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:55,643 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:55,644 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:55,644 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:55,644 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:55,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:52:55,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:55,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:55,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:55,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:55,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:55,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:55,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:55,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:52:55,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:55,651 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:55,651 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:55,652 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:55,652 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:55,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:52:55,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:55,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:55,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:55,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:55,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:52:55,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:55,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:55,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:52:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:55,659 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:55,659 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:55,659 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:55,659 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:55,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:55,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:55,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:55,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:55,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:55,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:55,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:55,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:55,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:52:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:55,666 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:55,666 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:55,666 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:55,666 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:55,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:55,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:55,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:55,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:55,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:55,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:52:55,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:55,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:55,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 15:52:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:55,672 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:55,672 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:55,672 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:55,672 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:55,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:55,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:55,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:55,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:55,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:55,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:52:55,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:55,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:55,713 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 15:52:55,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [950371891] [2020-09-24 15:52:55,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:52:55,717 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:52:55,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821209248] [2020-09-24 15:52:55,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:52:55,726 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:52:55,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:52:55,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:52:55,750 INFO L87 Difference]: Start difference. First operand 295 states. Second operand 4 states. [2020-09-24 15:52:56,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:52:56,759 INFO L93 Difference]: Finished difference Result 447 states and 526 transitions. [2020-09-24 15:52:56,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 15:52:56,761 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-24 15:52:56,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:52:56,783 INFO L225 Difference]: With dead ends: 447 [2020-09-24 15:52:56,783 INFO L226 Difference]: Without dead ends: 288 [2020-09-24 15:52:56,789 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 15:52:56,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2020-09-24 15:52:56,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 244. [2020-09-24 15:52:56,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-09-24 15:52:56,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 264 transitions. [2020-09-24 15:52:56,940 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 264 transitions. Word has length 160 [2020-09-24 15:52:56,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:52:56,941 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 264 transitions. [2020-09-24 15:52:56,941 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:52:56,943 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 264 transitions. [2020-09-24 15:52:56,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 15:52:56,954 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:52:56,954 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 15:52:56,955 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:52:56,955 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:52:56,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:52:56,956 INFO L82 PathProgramCache]: Analyzing trace with hash 190378574, now seen corresponding path program 1 times [2020-09-24 15:52:56,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:52:56,958 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1991004871] [2020-09-24 15:52:56,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:52:57,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:57,070 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:57,070 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:57,070 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:57,070 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:57,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-24 15:52:57,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:57,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:52:57,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:57,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:52:57,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 15:52:57,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:52:57,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:57,438 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:52:57,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:52:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:57,450 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:57,450 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:57,451 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:57,451 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:57,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:52:57,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:57,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:57,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:57,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:57,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:57,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:57,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:57,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:52:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:57,499 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:57,499 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:57,500 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:57,500 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:57,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:57,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:57,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:57,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:57,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:57,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:57,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:57,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:57,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:52:57,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:57,505 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:57,505 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:57,505 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:57,506 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:57,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:57,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:57,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:57,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:57,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:57,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:57,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:57,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:57,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:52:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:57,510 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:57,511 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:57,511 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:57,511 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:57,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:57,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:57,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:57,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:57,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:57,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:57,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:57,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:57,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:52:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:57,516 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:57,516 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:57,517 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:57,517 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:57,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:57,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:57,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:57,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:57,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:57,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:57,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:57,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:57,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:52:57,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:57,533 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:57,533 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:57,533 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:57,534 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:57,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:52:57,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:57,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:57,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:57,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:57,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:57,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:57,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:57,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:52:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:57,539 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:57,539 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:57,539 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:57,540 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:57,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:52:57,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:57,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:57,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:57,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:57,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:52:57,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:57,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:57,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:52:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:57,545 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:57,546 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:57,546 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:57,546 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:57,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:57,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:57,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:57,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:57,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:57,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:57,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:57,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:57,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:52:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:57,552 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:57,552 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:57,553 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:57,553 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:57,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:57,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:57,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:57,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:57,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:57,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:52:57,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:57,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:57,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:52:57,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:57,558 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:57,559 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:57,559 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:57,559 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:57,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:57,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:57,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:57,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:57,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:57,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:52:57,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:57,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:57,596 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 15:52:57,597 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1991004871] [2020-09-24 15:52:57,597 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:52:57,597 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:52:57,598 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319316960] [2020-09-24 15:52:57,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:52:57,600 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:52:57,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:52:57,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:52:57,601 INFO L87 Difference]: Start difference. First operand 244 states and 264 transitions. Second operand 5 states. [2020-09-24 15:52:58,299 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:52:59,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:52:59,160 INFO L93 Difference]: Finished difference Result 372 states and 418 transitions. [2020-09-24 15:52:59,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:52:59,161 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-24 15:52:59,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:52:59,165 INFO L225 Difference]: With dead ends: 372 [2020-09-24 15:52:59,165 INFO L226 Difference]: Without dead ends: 277 [2020-09-24 15:52:59,167 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 15:52:59,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-09-24 15:52:59,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 234. [2020-09-24 15:52:59,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-09-24 15:52:59,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 251 transitions. [2020-09-24 15:52:59,208 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 251 transitions. Word has length 161 [2020-09-24 15:52:59,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:52:59,209 INFO L479 AbstractCegarLoop]: Abstraction has 234 states and 251 transitions. [2020-09-24 15:52:59,209 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:52:59,210 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 251 transitions. [2020-09-24 15:52:59,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-24 15:52:59,213 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:52:59,213 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 15:52:59,213 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:52:59,214 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:52:59,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:52:59,214 INFO L82 PathProgramCache]: Analyzing trace with hash -1441293719, now seen corresponding path program 1 times [2020-09-24 15:52:59,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:52:59,215 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [515503373] [2020-09-24 15:52:59,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:52:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,323 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:52:59,324 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -48 [2020-09-24 15:52:59,324 FATAL L256 erpolLogProxyWrapper]: Difference in width: 48 [2020-09-24 15:52:59,325 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-24 15:52:59,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:52:59,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:52:59,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-24 15:52:59,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:52:59,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:59,686 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:52:59,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:52:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,699 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,699 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,699 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,699 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:52:59,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:59,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:59,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:59,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:59,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:59,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:52:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,742 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,742 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,742 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,742 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:59,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:59,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:59,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:59,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:59,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:59,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:52:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,747 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,748 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,748 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,748 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:59,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:59,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:59,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:59,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:59,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:59,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:52:59,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,754 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,754 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,755 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,755 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:59,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:59,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:59,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:59,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:59,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:59,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:52:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,761 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,761 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,762 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,762 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:59,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:59,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:59,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:59,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:59,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:59,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:52:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,779 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,779 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,779 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,779 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:52:59,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:59,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:59,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:59,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:59,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:59,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:52:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,793 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,793 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,793 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,794 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:52:59,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:59,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:52:59,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:59,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:52:59,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:59,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:52:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,801 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,802 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,802 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,802 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:52:59,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:59,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:52:59,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:59,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:52:59,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:59,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:52:59,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,808 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,808 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,808 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,809 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:59,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:59,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:59,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:59,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:59,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:59,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-24 15:52:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,814 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,814 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,815 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,815 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:59,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:59,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:59,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:52:59,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:59,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:59,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-24 15:52:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,821 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,821 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,822 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,822 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:59,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:59,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:59,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:52:59,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:59,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:59,895 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 15:52:59,895 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [515503373] [2020-09-24 15:52:59,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:52:59,896 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 15:52:59,896 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423815180] [2020-09-24 15:52:59,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 15:52:59,899 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:52:59,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 15:52:59,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:52:59,900 INFO L87 Difference]: Start difference. First operand 234 states and 251 transitions. Second operand 6 states. [2020-09-24 15:53:00,460 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:01,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:01,330 INFO L93 Difference]: Finished difference Result 419 states and 483 transitions. [2020-09-24 15:53:01,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 15:53:01,330 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-24 15:53:01,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:01,335 INFO L225 Difference]: With dead ends: 419 [2020-09-24 15:53:01,335 INFO L226 Difference]: Without dead ends: 300 [2020-09-24 15:53:01,337 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:53:01,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2020-09-24 15:53:01,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 234. [2020-09-24 15:53:01,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-09-24 15:53:01,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 250 transitions. [2020-09-24 15:53:01,376 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 250 transitions. Word has length 174 [2020-09-24 15:53:01,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:01,377 INFO L479 AbstractCegarLoop]: Abstraction has 234 states and 250 transitions. [2020-09-24 15:53:01,377 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 15:53:01,377 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 250 transitions. [2020-09-24 15:53:01,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-09-24 15:53:01,380 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:01,381 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] [2020-09-24 15:53:01,381 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:53:01,381 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:01,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:01,381 INFO L82 PathProgramCache]: Analyzing trace with hash -2081588078, now seen corresponding path program 1 times [2020-09-24 15:53:01,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:01,382 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1796141944] [2020-09-24 15:53:01,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:01,478 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:01,479 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:01,479 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:01,479 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:01,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-09-24 15:53:01,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:01,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-24 15:53:01,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:01,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:53:01,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:53:01,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-09-24 15:53:01,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:01,811 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:01,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:01,855 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:01,856 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:01,856 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:01,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:01,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:01,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:01,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:01,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:01,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:01,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:01,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:53:01,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:01,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:01,925 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:01,925 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:01,925 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:01,926 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:01,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:01,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:01,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:01,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:01,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:01,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:01,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:01,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:01,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:01,933 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:01,933 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:01,933 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:01,934 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:01,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:01,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:01,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:01,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:01,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:01,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:01,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:01,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:01,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:01,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:01,941 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:01,941 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:01,941 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:01,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:01,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:01,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:01,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:01,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:01,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:01,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:01,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:01,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:01,948 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:01,948 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:01,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:01,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:01,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:01,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:01,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:01,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:01,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:01,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:01,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:01,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:01,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:01,963 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:01,963 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:01,963 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:01,964 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:01,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:01,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:01,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:01,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:01,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:01,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:01,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:01,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:01,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:53:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:01,984 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:01,985 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:01,985 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:01,985 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:01,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:01,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:01,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:01,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:01,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:01,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:01,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:01,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:01,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:01,995 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:01,995 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:01,996 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:01,996 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:01,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:01,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:01,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:01,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:01,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:01,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:01,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:01,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:02,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:02,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:02,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:02,004 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:02,005 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:02,005 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:02,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:02,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:02,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:02,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:02,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:02,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:02,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:02,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:02,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:53:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:02,034 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:02,034 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:02,034 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:02,035 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:02,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:53:02,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:02,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:02,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:02,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:53:02,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:53:02,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:53:02,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:02,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:02,059 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:02,059 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:02,059 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:02,060 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:02,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:02,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:02,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:02,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:02,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:02,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:02,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:02,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:02,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-24 15:53:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:02,067 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:02,067 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:02,068 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:02,068 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:02,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:02,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:02,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:02,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:02,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:02,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:02,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:02,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:02,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-24 15:53:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:02,073 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:02,074 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:02,074 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:02,074 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:02,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:02,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:02,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:02,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:02,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:02,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:02,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:02,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:02,158 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 15:53:02,159 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1796141944] [2020-09-24 15:53:02,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:02,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:53:02,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013697699] [2020-09-24 15:53:02,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:53:02,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:02,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:53:02,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:53:02,162 INFO L87 Difference]: Start difference. First operand 234 states and 250 transitions. Second operand 8 states. [2020-09-24 15:53:02,934 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:04,812 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:05,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:05,205 INFO L93 Difference]: Finished difference Result 599 states and 716 transitions. [2020-09-24 15:53:05,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-24 15:53:05,206 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 182 [2020-09-24 15:53:05,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:05,212 INFO L225 Difference]: With dead ends: 599 [2020-09-24 15:53:05,212 INFO L226 Difference]: Without dead ends: 480 [2020-09-24 15:53:05,214 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:53:05,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-09-24 15:53:05,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 342. [2020-09-24 15:53:05,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2020-09-24 15:53:05,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 371 transitions. [2020-09-24 15:53:05,271 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 371 transitions. Word has length 182 [2020-09-24 15:53:05,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:05,271 INFO L479 AbstractCegarLoop]: Abstraction has 342 states and 371 transitions. [2020-09-24 15:53:05,272 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:53:05,272 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 371 transitions. [2020-09-24 15:53:05,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-09-24 15:53:05,275 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:05,275 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] [2020-09-24 15:53:05,276 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:53:05,276 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:05,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:05,276 INFO L82 PathProgramCache]: Analyzing trace with hash -489086187, now seen corresponding path program 1 times [2020-09-24 15:53:05,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:05,277 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [625140380] [2020-09-24 15:53:05,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:05,386 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:05,387 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:05,387 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:05,387 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:05,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-09-24 15:53:05,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:05,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-24 15:53:05,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:05,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:53:05,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:53:05,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-09-24 15:53:05,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:05,762 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:05,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:05,808 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:05,808 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:05,808 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:05,809 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:05,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:05,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:05,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:05,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:05,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:05,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:05,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:53:05,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:05,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:05,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:05,948 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:05,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:05,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:05,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:05,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:05,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:05,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:05,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:05,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:05,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:05,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:05,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:05,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:05,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:05,954 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:05,954 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:05,954 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:05,954 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:05,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:05,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:05,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:05,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:05,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:05,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:05,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:05,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:05,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:05,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:05,959 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:05,959 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:05,959 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:05,960 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:05,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:05,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:05,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:05,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:05,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:05,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:05,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:05,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:05,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:05,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:05,965 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:05,965 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:05,965 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:05,966 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:05,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:05,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:05,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:05,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:05,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:05,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:05,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:05,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:05,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:05,982 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:05,982 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:05,982 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:05,983 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:05,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:05,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:05,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:05,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:05,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:05,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:05,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:05,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:05,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:53:05,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:06,000 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:06,000 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:06,001 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:06,001 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:06,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:06,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:06,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:06,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:06,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:06,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:06,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:06,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:06,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:06,007 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:06,007 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:06,007 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:06,007 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:06,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:06,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:06,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:06,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:06,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:06,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:06,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:06,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:06,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:06,012 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:06,012 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:06,013 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:06,013 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:06,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:06,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:06,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:06,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:06,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:06,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:06,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:06,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:06,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:53:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:06,039 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:06,039 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:06,039 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:06,040 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:06,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:53:06,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:06,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:06,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:06,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:06,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:06,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:53:06,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:06,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:06,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:06,050 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:06,050 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:06,051 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:06,051 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:06,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:06,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:06,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:06,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:06,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:06,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:06,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 15:53:06,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:06,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:06,057 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:06,057 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:06,057 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:06,058 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:06,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:06,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:06,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:06,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:06,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:06,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:06,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:06,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:06,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:06,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:06,063 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:06,063 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:06,063 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:06,064 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:06,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:06,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:06,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:06,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:06,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:06,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:06,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:06,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:06,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-09-24 15:53:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:06,069 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:06,069 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:06,070 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:06,070 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:06,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:06,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:06,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:06,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:06,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:06,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:06,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:06,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:06,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-24 15:53:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:06,078 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:06,078 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:06,078 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:06,079 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:06,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:06,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:06,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:06,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:06,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:06,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:06,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:06,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:06,164 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 15:53:06,164 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [625140380] [2020-09-24 15:53:06,165 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:06,165 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:53:06,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610271124] [2020-09-24 15:53:06,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:53:06,166 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:06,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:53:06,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:53:06,167 INFO L87 Difference]: Start difference. First operand 342 states and 371 transitions. Second operand 11 states. [2020-09-24 15:53:06,746 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:07,762 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:08,092 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-24 15:53:09,037 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:09,411 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:53:09,855 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:10,576 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:10,889 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:53:11,185 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:11,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:11,771 INFO L93 Difference]: Finished difference Result 706 states and 833 transitions. [2020-09-24 15:53:11,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-24 15:53:11,772 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 206 [2020-09-24 15:53:11,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:11,777 INFO L225 Difference]: With dead ends: 706 [2020-09-24 15:53:11,777 INFO L226 Difference]: Without dead ends: 479 [2020-09-24 15:53:11,779 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=261, Invalid=669, Unknown=0, NotChecked=0, Total=930 [2020-09-24 15:53:11,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2020-09-24 15:53:11,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 341. [2020-09-24 15:53:11,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2020-09-24 15:53:11,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 368 transitions. [2020-09-24 15:53:11,851 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 368 transitions. Word has length 206 [2020-09-24 15:53:11,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:11,851 INFO L479 AbstractCegarLoop]: Abstraction has 341 states and 368 transitions. [2020-09-24 15:53:11,851 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:53:11,852 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 368 transitions. [2020-09-24 15:53:11,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-24 15:53:11,855 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:11,855 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] [2020-09-24 15:53:11,855 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:53:11,855 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:11,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:11,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1682980522, now seen corresponding path program 1 times [2020-09-24 15:53:11,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:11,856 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [86109881] [2020-09-24 15:53:11,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:11,933 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:11,933 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:11,933 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:11,934 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:11,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-09-24 15:53:11,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:11,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:53:11,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:11,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:53:11,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 201 [2020-09-24 15:53:11,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:11,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:12,283 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:12,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:12,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:12,299 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:12,299 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:12,299 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:12,299 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:12,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:12,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:12,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:12,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:12,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:12,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:12,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:12,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:12,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:12,336 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:12,337 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:12,337 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:12,337 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:12,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:12,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:12,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:12,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:12,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:12,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:12,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:12,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:12,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:12,341 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:12,341 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:12,341 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:12,341 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:12,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:12,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:12,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:12,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:12,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:12,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:12,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:12,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:12,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:12,345 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:12,345 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:12,345 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:12,345 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:12,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:12,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:12,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:12,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:12,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:12,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:12,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:12,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:12,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:12,350 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:12,350 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:12,350 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:12,350 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:12,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:12,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:12,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:12,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:12,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:12,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:12,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:12,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:12,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:12,359 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:12,359 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:12,359 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:12,359 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:12,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:12,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:12,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:12,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:12,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:12,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:12,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:12,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:12,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:53:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:12,369 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:12,369 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:12,369 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:12,369 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:12,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:12,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:12,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:12,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:12,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:12,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:12,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:12,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:12,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:12,374 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:12,374 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:12,374 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:12,374 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:12,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:12,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:12,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:12,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:12,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:12,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:12,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:12,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:12,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:12,379 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:12,379 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:12,379 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:12,379 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:12,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:12,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:12,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:12,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:12,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:12,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:12,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:12,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:12,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:53:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:12,400 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:12,400 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:12,400 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:12,401 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:12,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:53:12,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:12,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:53:12,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:12,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:53:12,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:53:12,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:12,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:12,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:12,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:12,482 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:12,482 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:12,483 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:12,483 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:12,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:12,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:12,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:53:12,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:12,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:12,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:12,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:53:12,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:12,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:12,534 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:12,534 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:12,535 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:12,535 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:12,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:12,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:12,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:12,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:12,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:12,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:12,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:12,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:12,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:12,545 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:12,545 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:12,545 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:12,545 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:12,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:12,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:12,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:12,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:12,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:12,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:53:12,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:12,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:12,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-09-24 15:53:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:12,552 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:12,552 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:12,552 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:12,553 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:12,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:12,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:12,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:12,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:12,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:12,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:12,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:12,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:12,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-24 15:53:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:12,557 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:12,557 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:12,557 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:12,557 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:12,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:12,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:12,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:12,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:12,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:12,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:12,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:12,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:12,601 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 15:53:12,601 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [86109881] [2020-09-24 15:53:12,602 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:12,602 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:53:12,603 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662026476] [2020-09-24 15:53:12,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:53:12,604 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:12,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:53:12,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:53:12,605 INFO L87 Difference]: Start difference. First operand 341 states and 368 transitions. Second operand 11 states. [2020-09-24 15:53:14,013 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:14,358 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:14,663 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:53:14,975 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:15,311 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:53:15,612 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:53:16,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:16,498 INFO L93 Difference]: Finished difference Result 707 states and 832 transitions. [2020-09-24 15:53:16,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 15:53:16,503 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 207 [2020-09-24 15:53:16,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:16,506 INFO L225 Difference]: With dead ends: 707 [2020-09-24 15:53:16,507 INFO L226 Difference]: Without dead ends: 481 [2020-09-24 15:53:16,508 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:53:16,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2020-09-24 15:53:16,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 349. [2020-09-24 15:53:16,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2020-09-24 15:53:16,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 376 transitions. [2020-09-24 15:53:16,554 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 376 transitions. Word has length 207 [2020-09-24 15:53:16,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:16,554 INFO L479 AbstractCegarLoop]: Abstraction has 349 states and 376 transitions. [2020-09-24 15:53:16,554 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:53:16,555 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 376 transitions. [2020-09-24 15:53:16,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-24 15:53:16,557 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:16,558 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] [2020-09-24 15:53:16,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:53:16,558 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:16,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:16,559 INFO L82 PathProgramCache]: Analyzing trace with hash 543186698, now seen corresponding path program 1 times [2020-09-24 15:53:16,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:16,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1559951697] [2020-09-24 15:53:16,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:16,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:16,658 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:53:16,659 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -88 [2020-09-24 15:53:16,659 FATAL L256 erpolLogProxyWrapper]: Difference in width: 88 [2020-09-24 15:53:16,659 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:16,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-09-24 15:53:16,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:16,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:53:16,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:16,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:16,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 193 [2020-09-24 15:53:16,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:53:16,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:16,993 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:16,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:17,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:17,005 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:17,005 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:17,005 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:17,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:17,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:17,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:17,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:17,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:17,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:17,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:17,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:17,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:17,041 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:17,042 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:17,042 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:17,042 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:17,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:17,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:17,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:17,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:17,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:17,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:17,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:17,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:17,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:17,046 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:17,046 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:17,046 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:17,046 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:17,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:17,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:17,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:17,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:17,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:17,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:17,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:17,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:17,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:17,050 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:17,050 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:17,050 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:17,051 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:17,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:17,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:17,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:17,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:17,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:17,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:17,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:17,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:17,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:17,056 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:17,057 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:17,057 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:17,057 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:17,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:17,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:17,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:17,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:17,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:17,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:17,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:17,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:17,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:17,068 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:17,068 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:17,068 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:17,069 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:17,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:17,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:17,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:17,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:17,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:17,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:17,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:17,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:17,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:53:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:17,079 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:17,079 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:17,080 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:17,080 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:17,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:17,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:17,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:17,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:17,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:17,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:17,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:17,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:53:17,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:17,087 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:17,087 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:17,087 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:17,088 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:17,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:17,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:17,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:17,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:17,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:17,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:17,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:17,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:17,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:17,092 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:17,093 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:17,093 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:17,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:17,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:17,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:17,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:17,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:17,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:17,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:17,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:17,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:17,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:53:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:17,111 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:17,112 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:17,112 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:17,112 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:17,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:53:17,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:17,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:17,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:17,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:17,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:53:17,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:53:17,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:17,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:17,127 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:17,127 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:17,127 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:17,127 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:17,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:17,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:17,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:53:17,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:17,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:17,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:53:17,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:53:17,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:17,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:17,156 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:17,157 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:17,157 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:17,157 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:17,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:17,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:17,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:17,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:17,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:53:17,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:17,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:17,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:17,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:17,182 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:17,183 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:17,183 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:17,183 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:17,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:17,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:17,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:17,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:17,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:17,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:53:17,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:17,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:17,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-09-24 15:53:17,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:17,188 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:17,188 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:17,188 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:17,188 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:17,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:17,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:17,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:17,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:17,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:17,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:17,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:17,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:17,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-24 15:53:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:17,192 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:17,192 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:17,192 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:17,193 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:17,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:17,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:17,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:17,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:17,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:17,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:17,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:17,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:17,230 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 15:53:17,231 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1559951697] [2020-09-24 15:53:17,231 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:17,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:53:17,232 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214930746] [2020-09-24 15:53:17,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:53:17,233 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:17,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:53:17,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:53:17,237 INFO L87 Difference]: Start difference. First operand 349 states and 376 transitions. Second operand 10 states. [2020-09-24 15:53:18,735 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:19,040 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:19,378 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:19,746 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:20,047 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:20,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:20,986 INFO L93 Difference]: Finished difference Result 726 states and 862 transitions. [2020-09-24 15:53:20,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:53:20,987 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 207 [2020-09-24 15:53:20,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:20,993 INFO L225 Difference]: With dead ends: 726 [2020-09-24 15:53:20,994 INFO L226 Difference]: Without dead ends: 492 [2020-09-24 15:53:20,997 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:53:20,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2020-09-24 15:53:21,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 355. [2020-09-24 15:53:21,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2020-09-24 15:53:21,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 382 transitions. [2020-09-24 15:53:21,076 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 382 transitions. Word has length 207 [2020-09-24 15:53:21,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:21,077 INFO L479 AbstractCegarLoop]: Abstraction has 355 states and 382 transitions. [2020-09-24 15:53:21,077 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:53:21,077 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 382 transitions. [2020-09-24 15:53:21,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-24 15:53:21,082 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:21,082 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] [2020-09-24 15:53:21,083 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:53:21,083 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:21,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:21,083 INFO L82 PathProgramCache]: Analyzing trace with hash -1587935993, now seen corresponding path program 1 times [2020-09-24 15:53:21,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:21,084 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1646624326] [2020-09-24 15:53:21,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:21,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:21,216 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:21,217 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:21,217 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:21,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-09-24 15:53:21,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:21,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-24 15:53:21,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:21,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:53:21,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 15:53:21,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-24 15:53:21,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 15:53:21,612 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:21,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:21,648 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:21,648 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:21,649 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:21,649 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:21,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:21,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:21,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:21,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:21,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:21,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:21,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:53:21,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:21,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:21,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:21,702 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:21,703 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:21,703 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:21,704 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:21,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:21,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:21,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:21,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:21,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:21,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:21,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:21,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:21,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:21,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:21,708 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:21,709 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:21,709 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:21,709 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:21,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:21,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:21,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:21,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:21,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:21,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:21,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:21,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:21,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:21,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:21,714 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:21,714 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:21,714 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:21,714 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:21,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:21,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:21,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:21,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:21,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:21,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:21,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:21,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:21,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:21,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:21,720 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:21,720 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:21,720 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:21,720 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:21,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:21,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:21,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:21,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:21,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:21,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:21,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:21,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:21,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:21,738 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:21,738 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:21,738 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:21,739 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:21,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:21,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:21,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:21,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:21,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:21,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:21,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:21,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:21,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:53:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:21,756 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:21,757 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:21,757 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:21,757 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:21,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:21,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:21,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:21,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:21,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:21,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:21,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:21,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:21,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:21,763 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:21,763 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:21,763 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:21,764 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:21,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:21,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:21,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:21,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:21,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:21,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:21,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:21,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:21,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:21,769 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:21,769 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:21,769 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:21,769 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:21,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:21,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:21,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:21,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:21,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:21,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:21,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:21,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:21,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:53:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:21,787 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:21,787 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:21,787 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:21,788 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:21,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:53:21,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:21,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:21,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:21,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:21,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-24 15:53:21,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-24 15:53:21,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:21,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:21,811 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:21,811 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:21,811 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:21,812 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:21,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:21,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:21,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:21,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:21,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:21,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:21,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:21,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:21,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:21,829 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:21,829 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:21,829 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:21,829 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:21,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:21,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:21,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:21,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:21,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:21,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:21,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:53:21,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:21,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:21,848 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:21,849 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:21,849 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:21,849 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:21,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:21,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:21,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:21,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:21,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:21,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:21,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:21,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:21,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-09-24 15:53:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:21,856 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:21,857 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:21,857 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:21,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:21,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:21,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:21,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:21,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:21,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:21,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:21,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:21,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:21,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-24 15:53:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:21,867 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:21,867 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:21,867 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:21,867 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:21,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:21,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:21,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:53:21,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:21,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:21,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:21,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:21,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:21,917 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 15:53:21,917 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1646624326] [2020-09-24 15:53:21,918 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:21,918 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:53:21,919 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862528958] [2020-09-24 15:53:21,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:53:21,919 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:21,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:53:21,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:53:21,920 INFO L87 Difference]: Start difference. First operand 355 states and 382 transitions. Second operand 8 states. [2020-09-24 15:53:22,464 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:23,157 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:25,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:25,805 INFO L93 Difference]: Finished difference Result 1047 states and 1268 transitions. [2020-09-24 15:53:25,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-24 15:53:25,805 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 207 [2020-09-24 15:53:25,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:25,810 INFO L225 Difference]: With dead ends: 1047 [2020-09-24 15:53:25,810 INFO L226 Difference]: Without dead ends: 807 [2020-09-24 15:53:25,812 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=152, Invalid=448, Unknown=0, NotChecked=0, Total=600 [2020-09-24 15:53:25,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2020-09-24 15:53:25,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 600. [2020-09-24 15:53:25,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 600 states. [2020-09-24 15:53:25,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 661 transitions. [2020-09-24 15:53:25,899 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 661 transitions. Word has length 207 [2020-09-24 15:53:25,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:25,900 INFO L479 AbstractCegarLoop]: Abstraction has 600 states and 661 transitions. [2020-09-24 15:53:25,900 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:53:25,900 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 661 transitions. [2020-09-24 15:53:25,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-24 15:53:25,903 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:25,903 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] [2020-09-24 15:53:25,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:53:25,904 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:25,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:25,904 INFO L82 PathProgramCache]: Analyzing trace with hash 445785641, now seen corresponding path program 1 times [2020-09-24 15:53:25,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:25,905 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1921775607] [2020-09-24 15:53:25,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,081 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:53:26,081 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -56 [2020-09-24 15:53:26,081 FATAL L256 erpolLogProxyWrapper]: Difference in width: 56 [2020-09-24 15:53:26,081 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-09-24 15:53:26,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-24 15:53:26,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:53:26,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 15:53:26,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-09-24 15:53:26,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:26,457 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:26,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,492 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,492 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,492 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,492 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:26,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:26,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:26,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:26,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:53:26,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:26,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,544 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,544 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,544 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,544 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:26,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:26,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:26,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:26,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:26,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:26,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,550 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,550 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,550 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,550 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:26,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:26,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:26,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:26,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:26,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:26,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:26,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,556 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,556 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,556 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,557 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:26,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:26,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:26,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:26,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:26,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:26,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:26,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,562 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,563 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,563 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,563 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:26,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:26,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:26,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:26,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:26,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:26,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:26,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,585 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:26,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:26,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:26,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:26,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:26,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:26,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:53:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,617 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:53:26,618 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,618 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,618 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:53:26,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:53:26,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:26,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:53:26,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:26,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:26,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:26,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,713 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,713 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,714 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,714 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:26,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:26,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:26,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:26,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:26,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:26,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:53:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,721 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,721 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,722 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,722 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:26,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:26,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:26,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:26,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:26,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:26,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,728 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,729 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,729 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,729 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:26,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:26,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:26,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:26,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:26,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:26,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-24 15:53:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,754 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:53:26,754 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,754 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,754 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:53:26,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:26,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:26,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:26,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-24 15:53:26,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:26,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,763 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,763 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,763 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:26,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:26,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:26,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:26,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:26,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:26,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,769 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,769 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,770 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,770 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:26,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:26,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:26,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:26,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:26,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:26,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,776 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,776 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,777 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,777 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:26,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:26,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:26,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:26,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:26,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:26,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-24 15:53:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,788 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,789 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,789 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:26,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:26,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:26,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:26,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:26,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:26,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-24 15:53:26,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,832 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,832 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,832 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,833 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:26,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:26,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:26,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:26,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:26,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:26,914 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 15:53:26,914 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1921775607] [2020-09-24 15:53:26,914 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:26,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-24 15:53:26,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715056591] [2020-09-24 15:53:26,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:53:26,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:26,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:53:26,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:53:26,916 INFO L87 Difference]: Start difference. First operand 600 states and 661 transitions. Second operand 15 states. [2020-09-24 15:53:27,455 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:28,437 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:30,063 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:30,392 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:53:30,750 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:31,089 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:53:31,430 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:31,761 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:32,177 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:53:32,507 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:33,992 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:34,298 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:34,627 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:35,334 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-24 15:53:36,484 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-09-24 15:53:37,110 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-24 15:53:37,815 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-24 15:53:38,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:38,509 INFO L93 Difference]: Finished difference Result 1826 states and 2200 transitions. [2020-09-24 15:53:38,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-09-24 15:53:38,510 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 212 [2020-09-24 15:53:38,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:38,519 INFO L225 Difference]: With dead ends: 1826 [2020-09-24 15:53:38,519 INFO L226 Difference]: Without dead ends: 1443 [2020-09-24 15:53:38,522 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1103 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=756, Invalid=2904, Unknown=0, NotChecked=0, Total=3660 [2020-09-24 15:53:38,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2020-09-24 15:53:38,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 1007. [2020-09-24 15:53:38,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1007 states. [2020-09-24 15:53:38,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 1007 states and 1102 transitions. [2020-09-24 15:53:38,670 INFO L78 Accepts]: Start accepts. Automaton has 1007 states and 1102 transitions. Word has length 212 [2020-09-24 15:53:38,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:38,671 INFO L479 AbstractCegarLoop]: Abstraction has 1007 states and 1102 transitions. [2020-09-24 15:53:38,671 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 15:53:38,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1102 transitions. [2020-09-24 15:53:38,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-09-24 15:53:38,674 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:38,674 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, 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] [2020-09-24 15:53:38,675 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:53:38,675 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:38,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:38,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1520291926, now seen corresponding path program 1 times [2020-09-24 15:53:38,676 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:38,676 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [988025157] [2020-09-24 15:53:38,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:38,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:38,788 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:53:38,788 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -115 [2020-09-24 15:53:38,788 FATAL L256 erpolLogProxyWrapper]: Difference in width: 115 [2020-09-24 15:53:38,793 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:38,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 340 [2020-09-24 15:53:38,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:38,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 15:53:38,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:38,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:53:38,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 220 [2020-09-24 15:53:38,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-09-24 15:53:38,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,124 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:39,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,134 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,134 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,134 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,134 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:39,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:39,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:39,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:39,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,212 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,212 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,212 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,212 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:39,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:39,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:39,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:39,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,215 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,216 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,216 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,216 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:39,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:39,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:39,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:39,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,219 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,220 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,220 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,220 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:39,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:39,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:39,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:39,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,224 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,224 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,225 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,225 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:39,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:39,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:39,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:39,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,249 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,249 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,249 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,249 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:39,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:39,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:39,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:39,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:53:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,262 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,262 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,263 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,263 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:53:39,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:39,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:39,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:39,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:39,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,278 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,279 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,279 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,279 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:39,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:39,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:39,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:39,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:53:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,307 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,307 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,307 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,308 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:39,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:39,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:39,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-24 15:53:39,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,332 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,332 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,332 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,332 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:39,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:39,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:39,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:39,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:39,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,338 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,338 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,339 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,341 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:39,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:39,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:39,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:39,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 15:53:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,362 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,363 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,363 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,363 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:53:39,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:39,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:39,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-24 15:53:39,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,371 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,371 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,371 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,371 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:39,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:39,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:39,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:39,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:39,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,377 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,377 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,378 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,378 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:39,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:39,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:39,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:39,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:39,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,384 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,385 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,385 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,385 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:39,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:39,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:39,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:53:39,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-24 15:53:39,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,392 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,392 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,392 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,393 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:53:39,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:39,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:39,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:53:39,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,398 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,398 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,398 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,399 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:39,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:39,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:39,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:39,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-24 15:53:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,407 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,407 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,407 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,408 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:39,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:39,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:39,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:39,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 15:53:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,418 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,418 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,419 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,419 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:39,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:53:39,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:53:39,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:39,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,454 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,454 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,454 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,455 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:39,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:39,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:53:39,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:53:39,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2020-09-24 15:53:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,484 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,485 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,485 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,485 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:53:39,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:39,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:39,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:53:39,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-09-24 15:53:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,492 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,492 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,493 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,493 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:53:39,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:39,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:39,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 15:53:39,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:39,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,497 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,497 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,497 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,497 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:39,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:39,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:39,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:39,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2020-09-24 15:53:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,503 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,503 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,504 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,504 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:39,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:39,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:39,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:39,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-09-24 15:53:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,509 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,509 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,509 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,510 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:39,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:39,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:39,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:39,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,585 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 34 proven. 7 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-09-24 15:53:39,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [988025157] [2020-09-24 15:53:39,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:53:39,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 15:53:39,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751780912] [2020-09-24 15:53:39,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:53:39,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:39,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:53:39,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:53:39,590 INFO L87 Difference]: Start difference. First operand 1007 states and 1102 transitions. Second operand 15 states. [2020-09-24 15:53:41,024 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:41,323 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:41,640 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:42,068 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:42,866 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:43,374 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:53:43,698 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:53:45,243 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:45,549 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:53:45,868 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:53:46,193 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:46,622 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:47,218 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:53:47,568 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:53:48,395 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 194